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-rw-r--r--js/src/tests/test262/built-ins/Map/Symbol.species/browser.js0
-rw-r--r--js/src/tests/test262/built-ins/Map/Symbol.species/length.js34
-rw-r--r--js/src/tests/test262/built-ins/Map/Symbol.species/return-value.js16
-rw-r--r--js/src/tests/test262/built-ins/Map/Symbol.species/shell.js0
-rw-r--r--js/src/tests/test262/built-ins/Map/Symbol.species/symbol-species-name.js22
-rw-r--r--js/src/tests/test262/built-ins/Map/Symbol.species/symbol-species.js23
-rw-r--r--js/src/tests/test262/built-ins/Map/bigint-number-same-value.js46
-rw-r--r--js/src/tests/test262/built-ins/Map/browser.js0
-rw-r--r--js/src/tests/test262/built-ins/Map/constructor.js12
-rw-r--r--js/src/tests/test262/built-ins/Map/does-not-throw-when-set-is-not-callable.js31
-rw-r--r--js/src/tests/test262/built-ins/Map/get-set-method-failure.js28
-rw-r--r--js/src/tests/test262/built-ins/Map/is-a-constructor.js26
-rw-r--r--js/src/tests/test262/built-ins/Map/iterable-calls-set.js44
-rw-r--r--js/src/tests/test262/built-ins/Map/iterator-close-after-set-failure.js43
-rw-r--r--js/src/tests/test262/built-ins/Map/iterator-close-failure-after-set-failure.js29
-rw-r--r--js/src/tests/test262/built-ins/Map/iterator-is-undefined-throws.js21
-rw-r--r--js/src/tests/test262/built-ins/Map/iterator-item-first-entry-returns-abrupt.js49
-rw-r--r--js/src/tests/test262/built-ins/Map/iterator-item-second-entry-returns-abrupt.js49
-rw-r--r--js/src/tests/test262/built-ins/Map/iterator-items-are-not-object-close-iterator.js77
-rw-r--r--js/src/tests/test262/built-ins/Map/iterator-items-are-not-object.js53
-rw-r--r--js/src/tests/test262/built-ins/Map/iterator-next-failure.js30
-rw-r--r--js/src/tests/test262/built-ins/Map/iterator-value-failure.js36
-rw-r--r--js/src/tests/test262/built-ins/Map/length.js19
-rw-r--r--js/src/tests/test262/built-ins/Map/map-iterable-empty-does-not-call-set.js33
-rw-r--r--js/src/tests/test262/built-ins/Map/map-iterable-throws-when-set-is-not-callable.js32
-rw-r--r--js/src/tests/test262/built-ins/Map/map-iterable.js28
-rw-r--r--js/src/tests/test262/built-ins/Map/map-no-iterable-does-not-call-set.js37
-rw-r--r--js/src/tests/test262/built-ins/Map/map-no-iterable.js34
-rw-r--r--js/src/tests/test262/built-ins/Map/map.js19
-rw-r--r--js/src/tests/test262/built-ins/Map/name.js20
-rw-r--r--js/src/tests/test262/built-ins/Map/newtarget.js39
-rw-r--r--js/src/tests/test262/built-ins/Map/properties-of-map-instances.js16
-rw-r--r--js/src/tests/test262/built-ins/Map/properties-of-the-map-prototype-object.js20
-rw-r--r--js/src/tests/test262/built-ins/Map/proto-from-ctor-realm.js31
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype-of-map.js18
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/Symbol.iterator.js21
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/Symbol.iterator/browser.js0
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/Symbol.iterator/not-a-constructor.js35
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/Symbol.iterator/shell.js0
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/Symbol.toStringTag.js23
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/browser.js0
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/clear/browser.js0
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/clear/clear-map.js38
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/clear/clear.js23
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/clear/context-is-not-map-object.js25
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/clear/context-is-not-object.js40
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/clear/context-is-set-object-throws.js22
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/clear/context-is-weakmap-object-throws.js22
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/clear/length.js24
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/clear/map-data-list-is-preserved.js37
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/clear/name.js24
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/clear/not-a-constructor.js31
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/clear/returns-undefined.js27
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/clear/shell.js0
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/constructor.js18
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/delete/browser.js0
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/delete/context-is-not-map-object.js25
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/delete/context-is-not-object.js40
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/delete/context-is-set-object-throws.js22
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/delete/context-is-weakmap-object-throws.js22
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/delete/delete.js23
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/delete/does-not-break-iterators.js38
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/delete/length.js24
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/delete/name.js24
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/delete/not-a-constructor.js31
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/delete/returns-false.js28
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/delete/returns-true-for-deleted-entry.js29
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/delete/shell.js0
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/descriptor.js16
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/entries/browser.js0
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/entries/does-not-have-mapdata-internal-slot-set.js31
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/entries/does-not-have-mapdata-internal-slot-weakmap.js31
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/entries/does-not-have-mapdata-internal-slot.js40
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/entries/entries.js24
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/entries/length.js24
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/entries/name.js24
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/entries/not-a-constructor.js35
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/entries/returns-iterator-empty.js29
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/entries/returns-iterator.js57
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/entries/shell.js0
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/entries/this-not-object-throw.js49
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/forEach/browser.js0
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/forEach/callback-parameters.js46
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/forEach/callback-result-is-abrupt.js29
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/forEach/callback-this-non-strict.js37
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/forEach/callback-this-strict-strict.js38
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/forEach/deleted-values-during-foreach.js43
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/forEach/does-not-have-mapdata-internal-slot-set.js26
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/forEach/does-not-have-mapdata-internal-slot-weakmap.js26
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/forEach/does-not-have-mapdata-internal-slot.js34
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/forEach/first-argument-is-not-callable.js45
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/forEach/forEach.js24
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/forEach/iterates-in-key-insertion-order.js53
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/forEach/iterates-values-added-after-foreach-begins.js51
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/forEach/iterates-values-deleted-then-readded.js52
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/forEach/length.js24
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/forEach/name.js24
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/forEach/not-a-constructor.js35
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/forEach/return-undefined.js29
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/forEach/second-parameter-as-callback-context.js39
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/forEach/shell.js0
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/forEach/this-not-object-throw.js45
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/get/browser.js0
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/get/does-not-have-mapdata-internal-slot-set.js26
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/get/does-not-have-mapdata-internal-slot-weakmap.js26
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/get/does-not-have-mapdata-internal-slot.js34
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/get/get.js24
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/get/length.js24
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/get/name.js24
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/get/not-a-constructor.js31
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/get/returns-undefined.js43
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/get/returns-value-different-key-types.js50
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/get/returns-value-normalized-zero-key.js27
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/get/shell.js0
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/get/this-not-object-throw.js45
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/has/browser.js0
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/has/does-not-have-mapdata-internal-slot-set.js26
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/has/does-not-have-mapdata-internal-slot-weakmap.js26
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/has/does-not-have-mapdata-internal-slot.js34
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/has/has.js24
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/has/length.js24
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/has/name.js24
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/has/normalizes-zero-key.js32
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/has/not-a-constructor.js31
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/has/return-false-different-key-types.js31
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/has/return-true-different-key-types.js46
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/has/shell.js0
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/has/this-not-object-throw.js45
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/keys/browser.js0
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/keys/does-not-have-mapdata-internal-slot-set.js31
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/keys/does-not-have-mapdata-internal-slot-weakmap.js31
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/keys/does-not-have-mapdata-internal-slot.js40
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/keys/keys.js24
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/keys/length.js24
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/keys/name.js24
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/keys/not-a-constructor.js31
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/keys/returns-iterator-empty.js29
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/keys/returns-iterator.js52
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/keys/shell.js0
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/keys/this-not-object-throw.js49
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/set/append-new-values-normalizes-zero-key.js27
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/set/append-new-values-return-map.js32
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/set/append-new-values.js49
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/set/browser.js0
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/set/does-not-have-mapdata-internal-slot-set.js26
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/set/does-not-have-mapdata-internal-slot-weakmap.js26
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/set/does-not-have-mapdata-internal-slot.js34
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/set/length.js24
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/set/name.js24
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/set/not-a-constructor.js31
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/set/replaces-a-value-normalizes-zero-key.js28
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/set/replaces-a-value-returns-map.js32
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/set/replaces-a-value.js25
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/set/set.js24
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/set/shell.js0
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/set/this-not-object-throw.js45
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/shell.js0
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/size/browser.js0
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/size/does-not-have-mapdata-internal-slot-set.js26
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/size/does-not-have-mapdata-internal-slot-weakmap.js29
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/size/does-not-have-mapdata-internal-slot.js28
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/size/length.js25
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/size/name.js29
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/size/returns-count-of-present-values-before-after-set-clear.js32
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/size/returns-count-of-present-values-before-after-set-delete.js31
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/size/returns-count-of-present-values-by-insertion.js28
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/size/returns-count-of-present-values-by-iterable.js28
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/size/shell.js0
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/size/size.js31
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/size/this-not-object-throw.js49
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/values/browser.js0
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/values/does-not-have-mapdata-internal-slot-set.js31
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/values/does-not-have-mapdata-internal-slot-weakmap.js31
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/values/does-not-have-mapdata-internal-slot.js40
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/values/length.js24
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/values/name.js24
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/values/not-a-constructor.js31
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/values/returns-iterator-empty.js29
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/values/returns-iterator.js52
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/values/shell.js0
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/values/this-not-object-throw.js49
-rw-r--r--js/src/tests/test262/built-ins/Map/prototype/values/values.js24
-rw-r--r--js/src/tests/test262/built-ins/Map/shell.js24
-rw-r--r--js/src/tests/test262/built-ins/Map/undefined-newtarget.js26
-rw-r--r--js/src/tests/test262/built-ins/Map/valid-keys.js486
185 files changed, 5457 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Map/Symbol.species/browser.js b/js/src/tests/test262/built-ins/Map/Symbol.species/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/Symbol.species/browser.js
diff --git a/js/src/tests/test262/built-ins/Map/Symbol.species/length.js b/js/src/tests/test262/built-ins/Map/Symbol.species/length.js
new file mode 100644
index 0000000000..d606baeca6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/Symbol.species/length.js
@@ -0,0 +1,34 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 23.1.2.2
+description: >
+ get Map [ @@species ].length is 0.
+info: |
+ get Map [ @@species ]
+
+ 17 ECMAScript Standard Built-in Objects:
+ Every built-in Function object, including constructors, has a length
+ property whose value is an integer. Unless otherwise specified, this
+ value is equal to the largest number of named arguments shown in the
+ subclause headings for the function description, including optional
+ parameters. However, rest parameters shown using the form “...name”
+ are not included in the default argument count.
+
+ Unless otherwise specified, the length property of a built-in Function
+ object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+ [[Configurable]]: true }.
+includes: [propertyHelper.js]
+features: [Symbol.species]
+---*/
+
+var desc = Object.getOwnPropertyDescriptor(Map, Symbol.species);
+
+assert.sameValue(desc.get.length, 0);
+
+verifyNotEnumerable(desc.get, "length");
+verifyNotWritable(desc.get, "length");
+verifyConfigurable(desc.get, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/Symbol.species/return-value.js b/js/src/tests/test262/built-ins/Map/Symbol.species/return-value.js
new file mode 100644
index 0000000000..2698c6b964
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/Symbol.species/return-value.js
@@ -0,0 +1,16 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-get-map-@@species
+description: Return value of @@species accessor method
+info: |
+ 1. Return the this value.
+features: [Symbol.species]
+---*/
+
+var thisVal = {};
+var accessor = Object.getOwnPropertyDescriptor(Map, Symbol.species).get;
+
+assert.sameValue(accessor.call(thisVal), thisVal);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/Symbol.species/shell.js b/js/src/tests/test262/built-ins/Map/Symbol.species/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/Symbol.species/shell.js
diff --git a/js/src/tests/test262/built-ins/Map/Symbol.species/symbol-species-name.js b/js/src/tests/test262/built-ins/Map/Symbol.species/symbol-species-name.js
new file mode 100644
index 0000000000..926d6fb31f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/Symbol.species/symbol-species-name.js
@@ -0,0 +1,22 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.1.2.2
+description: >
+ Map[Symbol.species] accessor property get name
+info: |
+ 23.1.2.2 get Map [ @@species ]
+
+ ...
+ The value of the name property of this function is "get [Symbol.species]".
+features: [Symbol.species]
+---*/
+
+var descriptor = Object.getOwnPropertyDescriptor(Map, Symbol.species);
+
+assert.sameValue(
+ descriptor.get.name,
+ 'get [Symbol.species]'
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/Symbol.species/symbol-species.js b/js/src/tests/test262/built-ins/Map/Symbol.species/symbol-species.js
new file mode 100644
index 0000000000..b3c7fa8742
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/Symbol.species/symbol-species.js
@@ -0,0 +1,23 @@
+// Copyright 2015 Cubane Canada, Inc. All rights reserved.
+// See LICENSE for details.
+
+/*---
+info: |
+ Map has a property at `Symbol.species`
+esid: sec-get-map-@@species
+author: Sam Mikes
+description: Map[Symbol.species] exists per spec
+includes: [propertyHelper.js]
+features: [Symbol.species]
+---*/
+
+var desc = Object.getOwnPropertyDescriptor(Map, Symbol.species);
+
+assert.sameValue(desc.set, undefined);
+assert.sameValue(typeof desc.get, 'function');
+
+verifyNotWritable(Map, Symbol.species, Symbol.species);
+verifyNotEnumerable(Map, Symbol.species);
+verifyConfigurable(Map, Symbol.species);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/bigint-number-same-value.js b/js/src/tests/test262/built-ins/Map/bigint-number-same-value.js
new file mode 100644
index 0000000000..783afd421b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/bigint-number-same-value.js
@@ -0,0 +1,46 @@
+// Copyright (C) 2021 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.set
+description: >
+ Observing the expected behavior of keys when a BigInt and Number have
+ the same value.
+info: |
+ Map.prototype.set ( key , value )
+
+ ...
+ Let p be the Record {[[key]]: key, [[value]]: value}.
+ Append p as the last element of entries.
+ ...
+
+features: [BigInt]
+---*/
+
+const number = 9007199254740991;
+const bigint = 9007199254740991n;
+
+const m = new Map([
+ [number, number],
+ [bigint, bigint],
+]);
+
+assert.sameValue(m.size, 2);
+assert.sameValue(m.has(number), true);
+assert.sameValue(m.has(bigint), true);
+
+assert.sameValue(m.get(number), number);
+assert.sameValue(m.get(bigint), bigint);
+
+m.delete(number);
+assert.sameValue(m.size, 1);
+assert.sameValue(m.has(number), false);
+m.delete(bigint);
+assert.sameValue(m.size, 0);
+assert.sameValue(m.has(bigint), false);
+
+m.set(number, number);
+assert.sameValue(m.size, 1);
+m.set(bigint, bigint);
+assert.sameValue(m.size, 2);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/browser.js b/js/src/tests/test262/built-ins/Map/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/browser.js
diff --git a/js/src/tests/test262/built-ins/Map/constructor.js b/js/src/tests/test262/built-ins/Map/constructor.js
new file mode 100644
index 0000000000..f37c74de67
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/constructor.js
@@ -0,0 +1,12 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map-constructor
+description: >
+ The Map constructor is the %Map% intrinsic object and the initial value of the
+ Map property of the global object.
+---*/
+
+assert.sameValue(typeof Map, 'function', 'typeof Map is "function"');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/does-not-throw-when-set-is-not-callable.js b/js/src/tests/test262/built-ins/Map/does-not-throw-when-set-is-not-callable.js
new file mode 100644
index 0000000000..9d758b0016
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/does-not-throw-when-set-is-not-callable.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map-iterable
+description: >
+ Creating a new Map object without arguments doesn't throw if `set` is not
+ callable
+info: |
+ Map ( [ iterable ] )
+
+ When the Set function is called with optional argument iterable the following steps are taken:
+
+ ...
+ 5. If iterable is not present, let iterable be undefined.
+ 6. If iterable is either undefined or null, let iter be undefined.
+ 7. Else,
+ a. Let adder be Get(map, "set").
+ b. ReturnIfAbrupt(adder).
+ c. If IsCallable(adder) is false, throw a TypeError exception.
+ ...
+ 8. If iter is undefined, return map.
+ ...
+---*/
+
+Map.prototype.set = null;
+
+var m = new Map();
+
+assert.sameValue(m.size, 0, 'The value of `m.size` is `0`');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/get-set-method-failure.js b/js/src/tests/test262/built-ins/Map/get-set-method-failure.js
new file mode 100644
index 0000000000..978a6a3a27
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/get-set-method-failure.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map-iterable
+description: >
+ new Map returns abrupt from getting Map.prototype.set.
+info: |
+ Map ( [ iterable ] )
+
+ ...
+ 7. Else,
+ a. Let adder be Get(map, "add").
+ b. ReturnIfAbrupt(adder).
+---*/
+
+Object.defineProperty(Map.prototype, 'set', {
+ get: function() {
+ throw new Test262Error();
+ }
+});
+
+new Map();
+
+assert.throws(Test262Error, function() {
+ new Map([]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/is-a-constructor.js b/js/src/tests/test262/built-ins/Map/is-a-constructor.js
new file mode 100644
index 0000000000..6d119375f1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/is-a-constructor.js
@@ -0,0 +1,26 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+ The Map constructor implements [[Construct]]
+info: |
+ IsConstructor ( argument )
+
+ The abstract operation IsConstructor takes argument argument (an ECMAScript language value).
+ It determines if argument is a function object with a [[Construct]] internal method.
+ It performs the following steps when called:
+
+ If Type(argument) is not Object, return false.
+ If argument has a [[Construct]] internal method, return true.
+ Return false.
+includes: [isConstructor.js]
+features: [Reflect.construct, Map]
+---*/
+
+assert.sameValue(isConstructor(Map), true, 'isConstructor(Map) must return true');
+new Map();
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/iterable-calls-set.js b/js/src/tests/test262/built-ins/Map/iterable-calls-set.js
new file mode 100644
index 0000000000..26c58a78d1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/iterable-calls-set.js
@@ -0,0 +1,44 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map-iterable
+description: >
+ new Map calls `set` for each item on the iterable argument in order.
+info: |
+ Map ( [ iterable ] )
+
+ ...
+ 9. Repeat
+ ...
+ k. Let status be Call(adder, map, «k.[[value]], v.[[value]]»).
+ ...
+includes: [compareArray.js]
+---*/
+
+var mapSet = Map.prototype.set;
+var counter = 0;
+
+var iterable = [
+ ["foo", 1],
+ ["bar", 2]
+];
+var results = [];
+var _this = [];
+
+Map.prototype.set = function(k, v) {
+ counter++;
+ results.push([k, v]);
+ _this.push(this);
+ mapSet.call(this, k, v);
+};
+
+var map = new Map(iterable);
+
+assert.sameValue(counter, 2, "`Map.prototype.set` called twice.");
+
+assert.compareArray(results[0], iterable[0]);
+assert.compareArray(results[1], iterable[1]);
+assert.sameValue(_this[0], map);
+assert.sameValue(_this[1], map);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/iterator-close-after-set-failure.js b/js/src/tests/test262/built-ins/Map/iterator-close-after-set-failure.js
new file mode 100644
index 0000000000..17645d1ccb
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/iterator-close-after-set-failure.js
@@ -0,0 +1,43 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map-iterable
+description: >
+ The iterator is closed when `Map.prototype.set` throws an error.
+info: |
+ Map ( [ iterable ] )
+
+ ...
+ 9. Repeat
+ ...
+ k. Let status be Call(adder, map, «k.[[value]], v.[[value]]»).
+ l. If status is an abrupt completion, return IteratorClose(iter, status).
+features: [Symbol.iterator]
+---*/
+
+var count = 0;
+var iterable = {};
+iterable[Symbol.iterator] = function() {
+ return {
+ next: function() {
+ return {
+ value: [],
+ done: false
+ };
+ },
+ return: function() {
+ count += 1;
+ }
+ };
+};
+Map.prototype.set = function() {
+ throw new Test262Error();
+}
+
+assert.throws(Test262Error, function() {
+ new Map(iterable);
+});
+
+assert.sameValue(count, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/iterator-close-failure-after-set-failure.js b/js/src/tests/test262/built-ins/Map/iterator-close-failure-after-set-failure.js
new file mode 100644
index 0000000000..5986ccab3c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/iterator-close-failure-after-set-failure.js
@@ -0,0 +1,29 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map-iterable
+description: >
+ The correct error is thrown `Map.prototype.set` throws an error and
+ the IteratorClose throws an error.
+features: [Symbol.iterator]
+---*/
+
+var count = 0;
+var iterable = {};
+iterable[Symbol.iterator] = function() {
+ return {
+ next: function() {
+ return { value: [], done: false };
+ },
+ return: function() {
+ throw new TypeError('ignore');
+ }
+ };
+};
+Map.prototype.set = function() { throw new Test262Error(); }
+
+assert.throws(Test262Error, function() {
+ new Map(iterable);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/iterator-is-undefined-throws.js b/js/src/tests/test262/built-ins/Map/iterator-is-undefined-throws.js
new file mode 100644
index 0000000000..f6a3c01bea
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/iterator-is-undefined-throws.js
@@ -0,0 +1,21 @@
+// Copyright (C) 2018 Amal Hussein. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map-objects
+description: >
+ Throws a TypeError if the iterator of the iterable is undefined.
+info: |
+ Map ( [ iterable ] )
+ ...
+ 9. Let iteratorRecord be ? GetIterator(iterable).
+features: [Symbol.iterator]
+---*/
+
+var iterable = { [Symbol.iterator]: undefined };
+
+assert.throws(TypeError,
+ function () {
+ new Map(iterable);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/iterator-item-first-entry-returns-abrupt.js b/js/src/tests/test262/built-ins/Map/iterator-item-first-entry-returns-abrupt.js
new file mode 100644
index 0000000000..0f31104338
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/iterator-item-first-entry-returns-abrupt.js
@@ -0,0 +1,49 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map-iterable
+description: >
+ Closes iterator if item first entry completes abruptly.
+info: |
+ Map ( [ iterable ] )
+
+ ...
+ 9. Repeat
+ ...
+ d. Let nextItem be IteratorValue(next).
+ ...
+ g. Let k be Get(nextItem, "0").
+ h. If k is an abrupt completion, return IteratorClose(iter, k).
+ ...
+features: [Symbol.iterator]
+---*/
+
+var count = 0;
+var item = ['foo', 'bar'];
+Object.defineProperty(item, 0, {
+ get: function() {
+ throw new Test262Error();
+ }
+});
+var iterable = {};
+iterable[Symbol.iterator] = function() {
+ return {
+ next: function() {
+ return {
+ value: item,
+ done: false
+ };
+ },
+ return: function() {
+ count++;
+ }
+ };
+};
+
+assert.throws(Test262Error, function() {
+ new Map(iterable);
+});
+
+assert.sameValue(count, 1, 'The get error closed the iterator');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/iterator-item-second-entry-returns-abrupt.js b/js/src/tests/test262/built-ins/Map/iterator-item-second-entry-returns-abrupt.js
new file mode 100644
index 0000000000..b7eefd9891
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/iterator-item-second-entry-returns-abrupt.js
@@ -0,0 +1,49 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map-iterable
+description: >
+ Closes iterator if item second entry completes abruptly.
+info: |
+ Map ( [ iterable ] )
+
+ ...
+ 9. Repeat
+ ...
+ d. Let nextItem be IteratorValue(next).
+ ...
+ i. Let v be Get(nextItem, "1").
+ j. If v is an abrupt completion, return IteratorClose(iter, v).
+ ...
+features: [Symbol.iterator]
+---*/
+
+var count = 0;
+var item = ['foo', 'bar'];
+Object.defineProperty(item, 1, {
+ get: function() {
+ throw new Test262Error();
+ }
+});
+var iterable = {};
+iterable[Symbol.iterator] = function() {
+ return {
+ next: function() {
+ return {
+ value: item,
+ done: false
+ };
+ },
+ return: function() {
+ count++;
+ }
+ };
+};
+
+assert.throws(Test262Error, function() {
+ new Map(iterable);
+});
+
+assert.sameValue(count, 1, 'The get error closed the iterator');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/iterator-items-are-not-object-close-iterator.js b/js/src/tests/test262/built-ins/Map/iterator-items-are-not-object-close-iterator.js
new file mode 100644
index 0000000000..62d40c0bbf
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/iterator-items-are-not-object-close-iterator.js
@@ -0,0 +1,77 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map-iterable
+description: >
+ Closes the iterator after `not Object` error.
+info: |
+ Map ( [ iterable ] )
+
+ ...
+ 9. Repeat
+ ...
+ d. Let nextItem be IteratorValue(next).
+ e. ReturnIfAbrupt(nextItem).
+ f. If Type(nextItem) is not Object,
+ i. Let error be Completion{[[type]]: throw, [[value]]: a newly created
+ TypeError object, [[target]]:empty}.
+ ii. Return IteratorClose(iter, error).
+features:
+ - Symbol
+ - Symbol.iterator
+---*/
+
+var count = 0;
+var nextItem;
+var iterable = {};
+iterable[Symbol.iterator] = function() {
+ return {
+ next: function() {
+ return {
+ value: nextItem,
+ done: false
+ };
+ },
+ return: function() {
+ count += 1;
+ }
+ };
+};
+
+nextItem = 1;
+assert.throws(TypeError, function() {
+ new Map(iterable);
+});
+assert.sameValue(count, 1);
+
+nextItem = true;
+assert.throws(TypeError, function() {
+ new Map(iterable);
+});
+assert.sameValue(count, 2);
+
+nextItem = '';
+assert.throws(TypeError, function() {
+ new Map(iterable);
+});
+assert.sameValue(count, 3);
+
+nextItem = null;
+assert.throws(TypeError, function() {
+ new Map(iterable);
+});
+assert.sameValue(count, 4);
+
+nextItem = undefined;
+assert.throws(TypeError, function() {
+ new Map(iterable);
+});
+assert.sameValue(count, 5);
+
+nextItem = Symbol('a');
+assert.throws(TypeError, function() {
+ new Map(iterable);
+});
+assert.sameValue(count, 6);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/iterator-items-are-not-object.js b/js/src/tests/test262/built-ins/Map/iterator-items-are-not-object.js
new file mode 100644
index 0000000000..3dc770ae8d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/iterator-items-are-not-object.js
@@ -0,0 +1,53 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map-iterable
+description: >
+ Throws a TypeError if iterable items are not Objects.
+info: |
+ Map ( [ iterable ] )
+
+ ...
+ 9. Repeat
+ ...
+ d. Let nextItem be IteratorValue(next).
+ e. ReturnIfAbrupt(nextItem).
+ f. If Type(nextItem) is not Object,
+ i. Let error be Completion{[[type]]: throw, [[value]]: a newly created
+ TypeError object, [[target]]:empty}.
+ ii. Return IteratorClose(iter, error).
+features: [Symbol]
+---*/
+
+assert.throws(TypeError, function() {
+ new Map([1]);
+});
+
+assert.throws(TypeError, function() {
+ new Map(['']);
+});
+
+assert.throws(TypeError, function() {
+ new Map([true]);
+});
+
+assert.throws(TypeError, function() {
+ new Map([null]);
+});
+
+assert.throws(TypeError, function() {
+ new Map([Symbol('a')]);
+});
+
+assert.throws(TypeError, function() {
+ new Map([undefined]);
+});
+
+assert.throws(TypeError, function() {
+ new Map([
+ ['a', 1],
+ 2
+ ]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/iterator-next-failure.js b/js/src/tests/test262/built-ins/Map/iterator-next-failure.js
new file mode 100644
index 0000000000..a60349a5e4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/iterator-next-failure.js
@@ -0,0 +1,30 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map-iterable
+description: >
+ The iterator is closed when iterable `next` throws an error.
+info: |
+ Map ( [ iterable ] )
+
+ ...
+ 9. Repeat
+ a. Let next be IteratorStep(iter).
+ b. ReturnIfAbrupt(next).
+features: [Symbol.iterator]
+---*/
+
+var iterable = {};
+iterable[Symbol.iterator] = function() {
+ return {
+ next: function() {
+ throw new Test262Error();
+ }
+ };
+};
+
+assert.throws(Test262Error, function() {
+ new Map(iterable);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/iterator-value-failure.js b/js/src/tests/test262/built-ins/Map/iterator-value-failure.js
new file mode 100644
index 0000000000..d7d684df21
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/iterator-value-failure.js
@@ -0,0 +1,36 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map-iterable
+description: >
+ The iterator is closed when iterable `next` value throws an error.
+info: |
+ Map ( [ iterable ] )
+
+ ...
+ 9. Repeat
+ ...
+ d. Let nextItem be IteratorValue(next).
+ e. ReturnIfAbrupt(nextItem).
+features: [Symbol.iterator]
+---*/
+
+var iterable = {};
+iterable[Symbol.iterator] = function() {
+ return {
+ next: function() {
+ return {
+ get value() {
+ throw new Test262Error();
+ },
+ done: false
+ };
+ }
+ };
+};
+
+assert.throws(Test262Error, function() {
+ new Map(iterable);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/length.js b/js/src/tests/test262/built-ins/Map/length.js
new file mode 100644
index 0000000000..c63939508b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/length.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.1.2
+description: Map.length is 0.
+info: |
+ Properties of the Map Constructor
+
+ Besides the length property (whose value is 0)
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Map.length, 0, 'The value of Map.length is 0');
+
+verifyNotEnumerable(Map, 'length');
+verifyNotWritable(Map, 'length');
+verifyConfigurable(Map, 'length');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/map-iterable-empty-does-not-call-set.js b/js/src/tests/test262/built-ins/Map/map-iterable-empty-does-not-call-set.js
new file mode 100644
index 0000000000..26461bb7f9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/map-iterable-empty-does-not-call-set.js
@@ -0,0 +1,33 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map-iterable
+description: >
+ A Map constructed with an empty iterable argument does not call set.
+info: |
+ Map ( [ iterable ] )
+
+ When the Map function is called with optional argument the following steps are
+ taken:
+
+ ...
+ 8. If iter is undefined, return map.
+ 9. Repeat
+ a. Let next be IteratorStep(iter).
+ b. ReturnIfAbrupt(next).
+ c. If next is false, return map.
+---*/
+
+var set = Map.prototype.set;
+var counter = 0;
+
+Map.prototype.set = function(value) {
+ counter++;
+ set.call(this, value);
+};
+
+new Map([]);
+
+assert.sameValue(counter, 0, '`Map.prototype.set` was not called.');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/map-iterable-throws-when-set-is-not-callable.js b/js/src/tests/test262/built-ins/Map/map-iterable-throws-when-set-is-not-callable.js
new file mode 100644
index 0000000000..bd69dd0636
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/map-iterable-throws-when-set-is-not-callable.js
@@ -0,0 +1,32 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map-iterable
+description: >
+ Throws a TypeError if `set` is not callable on Map constructor with a
+ iterable argument.
+info: |
+ Map ( [ iterable ] )
+
+ When the Map function is called with optional argument the following steps are
+ taken:
+
+ ...
+ 5. If iterable is not present, let iterable be undefined.
+ 6. If iterable is either undefined or null, let iter be undefined.
+ 7. Else,
+ a. Let adder be Get(map, "set").
+ b. ReturnIfAbrupt(adder).
+ c. If IsCallable(adder) is false, throw a TypeError exception.
+---*/
+
+Map.prototype.set = null;
+
+assert.throws(TypeError, function() {
+ new Map([
+ [1, 1],
+ [2, 2]
+ ]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/map-iterable.js b/js/src/tests/test262/built-ins/Map/map-iterable.js
new file mode 100644
index 0000000000..32918cea9b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/map-iterable.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map-iterable
+description: >
+ Contructor returns a map object set with the elements from the iterable
+ argument.
+info: |
+ Map ( [ iterable ] )
+
+ ...
+ 9. Repeat
+ a. Let next be IteratorStep(iter).
+ b. ReturnIfAbrupt(next).
+ c. If next is false, return map.
+ ...
+---*/
+
+var m = new Map([
+ ["attr", 1],
+ ["foo", 2]
+]);
+
+assert.sameValue(m.size, 2, 'The value of `m.size` is `2`');
+assert.sameValue(m.get("attr"), 1);
+assert.sameValue(m.get("foo"), 2);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/map-no-iterable-does-not-call-set.js b/js/src/tests/test262/built-ins/Map/map-no-iterable-does-not-call-set.js
new file mode 100644
index 0000000000..0d293d61c7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/map-no-iterable-does-not-call-set.js
@@ -0,0 +1,37 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map-iterable
+description: >
+ A Map constructed without a iterable argument does not call set.
+info: |
+ Map ( [ iterable ] )
+
+ When the Map function is called with optional argument the following steps are
+ taken:
+
+ ...
+ 5. If iterable is not present, let iterable be undefined.
+ 6. If iterable is either undefined or null, let iter be undefined.
+ 7. Else,
+ a. Let adder be Get(map, "set").
+ b. ReturnIfAbrupt(adder).
+ c. If IsCallable(adder) is false, throw a TypeError exception.
+ d. Let iter be GetIterator(iterable).
+ e. ReturnIfAbrupt(iter).
+ 8. If iter is undefined, return map.
+---*/
+
+var set = Map.prototype.set;
+var counter = 0;
+
+Map.prototype.set = function(value) {
+ counter++;
+ set.call(this, value);
+};
+
+new Map();
+
+assert.sameValue(counter, 0, '`Map.prototype.set` was not called.');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/map-no-iterable.js b/js/src/tests/test262/built-ins/Map/map-no-iterable.js
new file mode 100644
index 0000000000..e1793ef578
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/map-no-iterable.js
@@ -0,0 +1,34 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map-iterable
+description: >
+ Returns the new Map object with the new empty list if the iterable argument is
+ undefined.
+info: |
+ Map ( [ iterable ] )
+
+ ...
+ 2. Let map be OrdinaryCreateFromConstructor(NewTarget, "%MapPrototype%",
+ «‍[[MapData]]» ).
+ ...
+ 4. Map map’s [[MapData]] internal slot to a new empty List.
+ 5. If iterable is not present, let iterable be undefined.
+ 6. If iterable is either undefined or null, let iter be undefined.
+ ...
+ 8. If iter is undefined, return map.
+---*/
+
+var m1 = new Map();
+var m2 = new Map(undefined);
+var m3 = new Map(null);
+
+assert.sameValue(m1.size, 0, 'The value of `new Map().size` is `0`');
+assert.sameValue(m2.size, 0, 'The value of `new Map(undefined).size` is `0`');
+assert.sameValue(m3.size, 0, 'The value of `new Map(null).size` is `0`');
+
+assert(m1 instanceof Map);
+assert(m2 instanceof Map);
+assert(m3 instanceof Map);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/map.js b/js/src/tests/test262/built-ins/Map/map.js
new file mode 100644
index 0000000000..211626fc6e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/map.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map-iterable
+description: >
+ Map descriptor as a standard built-in object.
+info: |
+ Map ( [ iterable ] )
+
+ 17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(this, 'Map');
+verifyWritable(this, 'Map');
+verifyConfigurable(this, 'Map');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/name.js b/js/src/tests/test262/built-ins/Map/name.js
new file mode 100644
index 0000000000..4ff6542786
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/name.js
@@ -0,0 +1,20 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map-iterable
+description: Map.name value and descriptor.
+info: |
+ Map ( [ iterable ] )
+
+ 17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Map.name, 'Map', 'The value of Map.name is "Map"');
+
+verifyNotEnumerable(Map, 'name');
+verifyNotWritable(Map, 'name');
+verifyConfigurable(Map, 'name');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/newtarget.js b/js/src/tests/test262/built-ins/Map/newtarget.js
new file mode 100644
index 0000000000..36f820fac7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/newtarget.js
@@ -0,0 +1,39 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map-iterable
+description: >
+ The new Map object's prototype is Map.prototype
+info: |
+ Map ( [ iterable ] )
+
+ When the Map function is called with optional argument the following steps
+ are taken:
+
+ ...
+ 2. Let map be OrdinaryCreateFromConstructor(NewTarget, "%MapPrototype%",
+ «‍[[MapData]]» ).
+ ...
+
+---*/
+
+var m1 = new Map();
+
+assert.sameValue(
+ Object.getPrototypeOf(m1),
+ Map.prototype,
+ "`Object.getPrototypeOf(m1)` returns `Map.prototype`"
+);
+
+var m2 = new Map([
+ [1, 1],
+ [2, 2]
+]);
+
+assert.sameValue(
+ Object.getPrototypeOf(m2),
+ Map.prototype,
+ "`Object.getPrototypeOf(m2)` returns `Map.prototype`"
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/properties-of-map-instances.js b/js/src/tests/test262/built-ins/Map/properties-of-map-instances.js
new file mode 100644
index 0000000000..b38608c055
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/properties-of-map-instances.js
@@ -0,0 +1,16 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.1.4
+description: >
+ Map instances are ordinary objects that inherit properties from the Map
+ prototype.
+---*/
+
+assert.sameValue(
+ Object.getPrototypeOf(new Map()),
+ Map.prototype,
+ '`Object.getPrototypeOf(new Map())` returns `Map.prototype`'
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/properties-of-the-map-prototype-object.js b/js/src/tests/test262/built-ins/Map/properties-of-the-map-prototype-object.js
new file mode 100644
index 0000000000..a6c1ec8d7c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/properties-of-the-map-prototype-object.js
@@ -0,0 +1,20 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.1.3
+description: >
+ The prototype of Map.prototype is Object.prototype.
+info: |
+ The Map prototype object is the intrinsic object %MapPrototype%. The value
+ of the [[Prototype]] internal slot of the Map prototype object is the
+ intrinsic object %ObjectPrototype% (19.1.3). The Map prototype object is an
+ ordinary object. It does not have a [[MapData]] internal slot.
+---*/
+
+assert.sameValue(
+ Object.getPrototypeOf(Map.prototype),
+ Object.prototype,
+ 'Object.getPrototypeOf(Map.prototype) returns Object.prototype'
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/proto-from-ctor-realm.js b/js/src/tests/test262/built-ins/Map/proto-from-ctor-realm.js
new file mode 100644
index 0000000000..f85cc28e78
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/proto-from-ctor-realm.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map-iterable
+description: Default [[Prototype]] value derived from realm of the newTarget
+info: |
+ [...]
+ 3. Let map be ? OrdinaryCreateFromConstructor(NewTarget, "%MapPrototype%",
+ « [[MapData]] »).
+ [...]
+
+ 9.1.14 GetPrototypeFromConstructor
+
+ [...]
+ 3. Let proto be ? Get(constructor, "prototype").
+ 4. If Type(proto) is not Object, then
+ a. Let realm be ? GetFunctionRealm(constructor).
+ b. Let proto be realm's intrinsic object named intrinsicDefaultProto.
+ [...]
+features: [cross-realm, Reflect]
+---*/
+
+var other = $262.createRealm().global;
+var C = new other.Function();
+C.prototype = null;
+
+var o = Reflect.construct(Map, [], C);
+
+assert.sameValue(Object.getPrototypeOf(o), other.Map.prototype);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype-of-map.js b/js/src/tests/test262/built-ins/Map/prototype-of-map.js
new file mode 100644
index 0000000000..91f931c4eb
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype-of-map.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.1.2
+description: >
+ The prototype of Map is the intrinsic FunctionPrototype.
+info: |
+ The value of the [[Prototype]] internal slot of the Map constructor is the
+ intrinsic object %FunctionPrototype% (19.2.3).
+---*/
+
+assert.sameValue(
+ Object.getPrototypeOf(Map),
+ Function.prototype,
+ '`Object.getPrototypeOf(Map)` returns `Function.prototype`'
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/Symbol.iterator.js b/js/src/tests/test262/built-ins/Map/prototype/Symbol.iterator.js
new file mode 100644
index 0000000000..cd54db305b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/Symbol.iterator.js
@@ -0,0 +1,21 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype-@@iterator
+description: Initial state of the Symbol.iterator property
+info: |
+ The initial value of the @@iterator property is the same function object as
+ the initial value of the entries property.
+
+ Per ES6 section 17, the method should exist on the Array prototype, and it
+ should be writable and configurable, but not enumerable.
+includes: [propertyHelper.js]
+features: [Symbol.iterator]
+---*/
+
+assert.sameValue(Map.prototype[Symbol.iterator], Map.prototype.entries);
+verifyNotEnumerable(Map.prototype, Symbol.iterator);
+verifyWritable(Map.prototype, Symbol.iterator);
+verifyConfigurable(Map.prototype, Symbol.iterator);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/Symbol.iterator/browser.js b/js/src/tests/test262/built-ins/Map/prototype/Symbol.iterator/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/Symbol.iterator/browser.js
diff --git a/js/src/tests/test262/built-ins/Map/prototype/Symbol.iterator/not-a-constructor.js b/js/src/tests/test262/built-ins/Map/prototype/Symbol.iterator/not-a-constructor.js
new file mode 100644
index 0000000000..9a8bb37858
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/Symbol.iterator/not-a-constructor.js
@@ -0,0 +1,35 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+ Map.prototype[Symbol.iterator] does not implement [[Construct]], is not new-able
+info: |
+ ECMAScript Function Objects
+
+ Built-in function objects that are not identified as constructors do not
+ implement the [[Construct]] internal method unless otherwise specified in
+ the description of a particular function.
+
+ sec-evaluatenew
+
+ ...
+ 7. If IsConstructor(constructor) is false, throw a TypeError exception.
+ ...
+includes: [isConstructor.js]
+features: [Reflect.construct, Symbol, Symbol.iterator, Map, arrow-function]
+---*/
+
+assert.sameValue(
+ isConstructor(Map.prototype[Symbol.iterator]),
+ false,
+ 'isConstructor(Map.prototype[Symbol.iterator]) must return false'
+);
+
+assert.throws(TypeError, () => {
+ let m = new Map(); new m[Symbol.iterator]();
+}, '`let m = new Map(); new m[Symbol.iterator]()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/Symbol.iterator/shell.js b/js/src/tests/test262/built-ins/Map/prototype/Symbol.iterator/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/Symbol.iterator/shell.js
diff --git a/js/src/tests/test262/built-ins/Map/prototype/Symbol.toStringTag.js b/js/src/tests/test262/built-ins/Map/prototype/Symbol.toStringTag.js
new file mode 100644
index 0000000000..a266290372
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/Symbol.toStringTag.js
@@ -0,0 +1,23 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype-@@tostringtag
+description: >
+ `Symbol.toStringTag` property descriptor
+info: |
+ The initial value of the @@toStringTag property is the String value
+ "Map".
+
+ This property has the attributes { [[Writable]]: false, [[Enumerable]]:
+ false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+features: [Symbol.toStringTag]
+---*/
+
+assert.sameValue(Map.prototype[Symbol.toStringTag], 'Map');
+
+verifyNotEnumerable(Map.prototype, Symbol.toStringTag);
+verifyNotWritable(Map.prototype, Symbol.toStringTag);
+verifyConfigurable(Map.prototype, Symbol.toStringTag);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/browser.js b/js/src/tests/test262/built-ins/Map/prototype/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/browser.js
diff --git a/js/src/tests/test262/built-ins/Map/prototype/clear/browser.js b/js/src/tests/test262/built-ins/Map/prototype/clear/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/clear/browser.js
diff --git a/js/src/tests/test262/built-ins/Map/prototype/clear/clear-map.js b/js/src/tests/test262/built-ins/Map/prototype/clear/clear-map.js
new file mode 100644
index 0000000000..5cd54d8873
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/clear/clear-map.js
@@ -0,0 +1,38 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.clear
+description: >
+ Clears a Map.
+info: |
+ Map.prototype.clear ( )
+
+ ...
+ 4. Let entries be the List that is the value of M’s [[MapData]] internal slot.
+ 5. Repeat for each Record {[[key]], [[value]]} p that is an element of
+ entries,
+ a. Set p.[[key]] to empty.
+ b. Set p.[[value]] to empty.
+ 6. Return undefined.
+features: [Symbol]
+---*/
+
+var m1 = new Map([
+ ['foo', 'bar'],
+ [1, 1]
+]);
+var m2 = new Map();
+var m3 = new Map();
+m2.set('foo', 'bar');
+m2.set(1, 1);
+m2.set(Symbol('a'), Symbol('a'));
+
+m1.clear();
+m2.clear();
+m3.clear();
+
+assert.sameValue(m1.size, 0);
+assert.sameValue(m2.size, 0);
+assert.sameValue(m3.size, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/clear/clear.js b/js/src/tests/test262/built-ins/Map/prototype/clear/clear.js
new file mode 100644
index 0000000000..3cc3a7f8bf
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/clear/clear.js
@@ -0,0 +1,23 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.clear
+description: >
+ Map.prototype.clear ( )
+
+ 17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ typeof Map.prototype.clear,
+ 'function',
+ 'typeof Map.prototype.clear is "function"'
+);
+
+verifyNotEnumerable(Map.prototype, 'clear');
+verifyWritable(Map.prototype, 'clear');
+verifyConfigurable(Map.prototype, 'clear');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/clear/context-is-not-map-object.js b/js/src/tests/test262/built-ins/Map/prototype/clear/context-is-not-map-object.js
new file mode 100644
index 0000000000..56a74bf165
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/clear/context-is-not-map-object.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.clear
+description: >
+ Throws a TypeError if `this` does not have a [[MapData]] internal slot.
+info: |
+ Map.prototype.clear ( )
+
+ 1. Let M be the this value.
+ 2. If Type(M) is not Object, throw a TypeError exception.
+ 3. If M does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+---*/
+
+assert.throws(TypeError, function() {
+ Map.prototype.clear.call({});
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.clear.call([]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/clear/context-is-not-object.js b/js/src/tests/test262/built-ins/Map/prototype/clear/context-is-not-object.js
new file mode 100644
index 0000000000..c0403d2159
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/clear/context-is-not-object.js
@@ -0,0 +1,40 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.clear
+description: >
+ Throws a TypeError if `this` is not an Object.
+info: |
+ Map.prototype.clear ( )
+
+ 1. Let M be the this value.
+ 2. If Type(M) is not Object, throw a TypeError exception.
+ ...
+features: [Symbol]
+---*/
+
+assert.throws(TypeError, function() {
+ Map.prototype.clear.call(1);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.clear.call(true);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.clear.call('');
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.clear.call(null);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.clear.call(undefined);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.clear.call(Symbol());
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/clear/context-is-set-object-throws.js b/js/src/tests/test262/built-ins/Map/prototype/clear/context-is-set-object-throws.js
new file mode 100644
index 0000000000..e09a49314e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/clear/context-is-set-object-throws.js
@@ -0,0 +1,22 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.clear
+description: >
+ Throws a TypeError if `this` is a Set object.
+info: |
+ Map.prototype.clear ( )
+
+ 1. Let M be the this value.
+ 2. If Type(M) is not Object, throw a TypeError exception.
+ 3. If M does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+features: [Set]
+---*/
+
+assert.throws(TypeError, function() {
+ Map.prototype.clear.call(new Set());
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/clear/context-is-weakmap-object-throws.js b/js/src/tests/test262/built-ins/Map/prototype/clear/context-is-weakmap-object-throws.js
new file mode 100644
index 0000000000..ab2097b38b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/clear/context-is-weakmap-object-throws.js
@@ -0,0 +1,22 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.clear
+description: >
+ Throws a TypeError if `this` is a WeakMap object.
+info: |
+ Map.prototype.clear ( )
+
+ 1. Let M be the this value.
+ 2. If Type(M) is not Object, throw a TypeError exception.
+ 3. If M does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+features: [WeakMap]
+---*/
+
+assert.throws(TypeError, function() {
+ Map.prototype.clear.call(new WeakMap());
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/clear/length.js b/js/src/tests/test262/built-ins/Map/prototype/clear/length.js
new file mode 100644
index 0000000000..7cc8f3126f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/clear/length.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.clear
+description: >
+ Map.prototype.clear.length value and descriptor.
+info: |
+ Map.prototype.clear ( )
+
+ 17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ Map.prototype.clear.length, 0,
+ 'The value of `Map.prototype.clear.length` is `0`'
+);
+
+verifyNotEnumerable(Map.prototype.clear, 'length');
+verifyNotWritable(Map.prototype.clear, 'length');
+verifyConfigurable(Map.prototype.clear, 'length');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/clear/map-data-list-is-preserved.js b/js/src/tests/test262/built-ins/Map/prototype/clear/map-data-list-is-preserved.js
new file mode 100644
index 0000000000..269cecf346
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/clear/map-data-list-is-preserved.js
@@ -0,0 +1,37 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.clear
+description: >
+ The existing [[MapData]] List is preserved.
+info: |
+ The existing [[MapData]] List is preserved because there may be existing
+ MapIterator objects that are suspended midway through iterating over that
+ List.
+
+ Map.prototype.clear ( )
+
+ ...
+ 4. Let entries be the List that is the value of M’s [[MapData]] internal slot.
+ 5. Repeat for each Record {[[key]], [[value]]} p that is an element of
+ entries,
+ a. Set p.[[key]] to empty.
+ b. Set p.[[value]] to empty.
+ 6. Return undefined.
+---*/
+
+var m = new Map([
+ [1, 1],
+ [2, 2],
+ [3, 3]
+]);
+var e = m.entries();
+
+e.next();
+m.clear();
+
+var n = e.next();
+assert.sameValue(n.value, undefined);
+assert.sameValue(n.done, true);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/clear/name.js b/js/src/tests/test262/built-ins/Map/prototype/clear/name.js
new file mode 100644
index 0000000000..0bef8b8fe7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/clear/name.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.clear
+description: >
+ Map.prototype.entries.name value and descriptor.
+info: |
+ Map.prototype.clear ( )
+
+ 17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ Map.prototype.clear.name, 'clear',
+ 'The value of `Map.prototype.clear.name` is `"clear"`'
+);
+
+verifyNotEnumerable(Map.prototype.clear, 'name');
+verifyNotWritable(Map.prototype.clear, 'name');
+verifyConfigurable(Map.prototype.clear, 'name');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/clear/not-a-constructor.js b/js/src/tests/test262/built-ins/Map/prototype/clear/not-a-constructor.js
new file mode 100644
index 0000000000..9567b58b7b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/clear/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+ Map.prototype.clear does not implement [[Construct]], is not new-able
+info: |
+ ECMAScript Function Objects
+
+ Built-in function objects that are not identified as constructors do not
+ implement the [[Construct]] internal method unless otherwise specified in
+ the description of a particular function.
+
+ sec-evaluatenew
+
+ ...
+ 7. If IsConstructor(constructor) is false, throw a TypeError exception.
+ ...
+includes: [isConstructor.js]
+features: [Reflect.construct, Map, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Map.prototype.clear), false, 'isConstructor(Map.prototype.clear) must return false');
+
+assert.throws(TypeError, () => {
+ let m = new Map(); new m.clear();
+}, '`let m = new Map(); new m.clear()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/clear/returns-undefined.js b/js/src/tests/test262/built-ins/Map/prototype/clear/returns-undefined.js
new file mode 100644
index 0000000000..396511db2f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/clear/returns-undefined.js
@@ -0,0 +1,27 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.clear
+description: >
+ Returns undefined.
+info: |
+ Map.prototype.clear ( )
+
+ ...
+ 4. Let entries be the List that is the value of M’s [[MapData]] internal slot.
+ 5. Repeat for each Record {[[key]], [[value]]} p that is an element of
+ entries,
+ a. Set p.[[key]] to empty.
+ b. Set p.[[value]] to empty.
+ 6. Return undefined.
+---*/
+
+var m1 = new Map([
+ ['foo', 'bar'],
+ [1, 1]
+]);
+
+assert.sameValue(m1.clear(), undefined, 'clears a map and returns undefined');
+assert.sameValue(m1.clear(), undefined, 'returns undefined on an empty map');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/clear/shell.js b/js/src/tests/test262/built-ins/Map/prototype/clear/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/clear/shell.js
diff --git a/js/src/tests/test262/built-ins/Map/prototype/constructor.js b/js/src/tests/test262/built-ins/Map/prototype/constructor.js
new file mode 100644
index 0000000000..6e09bd7231
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/constructor.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map-constructor
+description: Map.prototype.constructor value and descriptor
+info: |
+ The initial value of Map.prototype.constructor is the intrinsic object %Map%.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Map.prototype.constructor, Map);
+assert.sameValue((new Map()).constructor, Map);
+
+verifyNotEnumerable(Map.prototype, 'constructor');
+verifyWritable(Map.prototype, 'constructor');
+verifyConfigurable(Map.prototype, 'constructor');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/delete/browser.js b/js/src/tests/test262/built-ins/Map/prototype/delete/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/delete/browser.js
diff --git a/js/src/tests/test262/built-ins/Map/prototype/delete/context-is-not-map-object.js b/js/src/tests/test262/built-ins/Map/prototype/delete/context-is-not-map-object.js
new file mode 100644
index 0000000000..310e802730
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/delete/context-is-not-map-object.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.delete
+description: >
+ Throws a TypeError if `this` does not have a [[MapData]] internal slot.
+info: |
+ Map.prototype.delete ( key )
+
+ 1. Let M be the this value.
+ 2. If Type(M) is not Object, throw a TypeError exception.
+ 3. If M does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+---*/
+
+assert.throws(TypeError, function() {
+ Map.prototype.delete.call({}, 'attr');
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.delete.call([], 'attr');
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/delete/context-is-not-object.js b/js/src/tests/test262/built-ins/Map/prototype/delete/context-is-not-object.js
new file mode 100644
index 0000000000..c2eaabf156
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/delete/context-is-not-object.js
@@ -0,0 +1,40 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.delete
+description: >
+ Throws a TypeError if `this` is not an Object.
+info: |
+ Map.prototype.delete ( key )
+
+ 1. Let M be the this value.
+ 2. If Type(M) is not Object, throw a TypeError exception.
+ ...
+features: [Symbol]
+---*/
+
+assert.throws(TypeError, function() {
+ Map.prototype.delete.call(1, 'attr');
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.delete.call(true, 'attr');
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.delete.call('', 'attr');
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.delete.call(null, 'attr');
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.delete.call(undefined, 'attr');
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.delete.call(Symbol(), 'attr');
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/delete/context-is-set-object-throws.js b/js/src/tests/test262/built-ins/Map/prototype/delete/context-is-set-object-throws.js
new file mode 100644
index 0000000000..152c54616d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/delete/context-is-set-object-throws.js
@@ -0,0 +1,22 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.delete
+description: >
+ Throws a TypeError if `this` is a Set object.
+info: |
+ Map.prototype.delete ( key )
+
+ 1. Let M be the this value.
+ 2. If Type(M) is not Object, throw a TypeError exception.
+ 3. If M does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+features: [Set]
+---*/
+
+assert.throws(TypeError, function() {
+ Map.prototype.delete.call(new Set(), 'attr');
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/delete/context-is-weakmap-object-throws.js b/js/src/tests/test262/built-ins/Map/prototype/delete/context-is-weakmap-object-throws.js
new file mode 100644
index 0000000000..ed9b730ba3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/delete/context-is-weakmap-object-throws.js
@@ -0,0 +1,22 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.delete
+description: >
+ Throws a TypeError if `this` is a WeakMap object.
+info: |
+ Map.prototype.delete ( key )
+
+ 1. Let M be the this value.
+ 2. If Type(M) is not Object, throw a TypeError exception.
+ 3. If M does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+features: [WeakMap]
+---*/
+
+assert.throws(TypeError, function() {
+ Map.prototype.delete.call(new WeakMap(), 'attr');
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/delete/delete.js b/js/src/tests/test262/built-ins/Map/prototype/delete/delete.js
new file mode 100644
index 0000000000..7aca1a2ff7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/delete/delete.js
@@ -0,0 +1,23 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.delete
+description: >
+ Map.prototype.delete ( )
+
+ 17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ typeof Map.prototype.delete,
+ 'function',
+ 'typeof Map.prototype.delete is "function"'
+);
+
+verifyNotEnumerable(Map.prototype, 'delete');
+verifyWritable(Map.prototype, 'delete');
+verifyConfigurable(Map.prototype, 'delete');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/delete/does-not-break-iterators.js b/js/src/tests/test262/built-ins/Map/prototype/delete/does-not-break-iterators.js
new file mode 100644
index 0000000000..28e4a36512
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/delete/does-not-break-iterators.js
@@ -0,0 +1,38 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.delete
+description: >
+ Deleting an entry does not break a [[MapData]] List.
+info: |
+ Map.prototype.delete ( key )
+
+ 4. Let entries be the List that is the value of M’s [[MapData]] internal slot.
+ 5. Repeat for each Record {[[key]], [[value]]} p that is an element of entries,
+ a. If p.[[key]] is not empty and SameValueZero(p.[[key]], key) is true, then
+ i. Set p.[[key]] to empty.
+ ii. Set p.[[value]] to empty.
+ iii. Return true.
+ ...
+---*/
+
+var m = new Map([
+ ['a', 1],
+ ['b', 2],
+ ['c', 3]
+]);
+var e = m.entries();
+
+e.next();
+m.delete('b');
+
+var n = e.next();
+
+assert.sameValue(n.value[0], 'c');
+assert.sameValue(n.value[1], 3);
+
+n = e.next();
+assert.sameValue(n.value, undefined);
+assert.sameValue(n.done, true);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/delete/length.js b/js/src/tests/test262/built-ins/Map/prototype/delete/length.js
new file mode 100644
index 0000000000..2be05ee2b1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/delete/length.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.delete
+description: >
+ Map.prototype.delete.length value and descriptor.
+info: |
+ Map.prototype.delete ( key )
+
+ 17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ Map.prototype.delete.length, 1,
+ 'The value of `Map.prototype.delete.length` is `1`'
+);
+
+verifyNotEnumerable(Map.prototype.delete, 'length');
+verifyNotWritable(Map.prototype.delete, 'length');
+verifyConfigurable(Map.prototype.delete, 'length');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/delete/name.js b/js/src/tests/test262/built-ins/Map/prototype/delete/name.js
new file mode 100644
index 0000000000..dcacf4f3ee
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/delete/name.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.delete
+description: >
+ Map.prototype.delete.name value and descriptor.
+info: |
+ Map.prototype.delete ( key )
+
+ 17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ Map.prototype.delete.name, 'delete',
+ 'The value of `Map.prototype.delete.name` is `"delete"`'
+);
+
+verifyNotEnumerable(Map.prototype.delete, 'name');
+verifyNotWritable(Map.prototype.delete, 'name');
+verifyConfigurable(Map.prototype.delete, 'name');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/delete/not-a-constructor.js b/js/src/tests/test262/built-ins/Map/prototype/delete/not-a-constructor.js
new file mode 100644
index 0000000000..fb43d0a430
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/delete/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+ Map.prototype.delete does not implement [[Construct]], is not new-able
+info: |
+ ECMAScript Function Objects
+
+ Built-in function objects that are not identified as constructors do not
+ implement the [[Construct]] internal method unless otherwise specified in
+ the description of a particular function.
+
+ sec-evaluatenew
+
+ ...
+ 7. If IsConstructor(constructor) is false, throw a TypeError exception.
+ ...
+includes: [isConstructor.js]
+features: [Reflect.construct, Map, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Map.prototype.delete), false, 'isConstructor(Map.prototype.delete) must return false');
+
+assert.throws(TypeError, () => {
+ let m = new Map(); new m.delete();
+}, '`let m = new Map(); new m.delete()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/delete/returns-false.js b/js/src/tests/test262/built-ins/Map/prototype/delete/returns-false.js
new file mode 100644
index 0000000000..975d6e6ceb
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/delete/returns-false.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.delete
+description: >
+ Returns false when it does not delete an entry.
+info: |
+ Map.prototype.delete ( key )
+
+ 4. Let entries be the List that is the value of M’s [[MapData]] internal slot.
+ 5. Repeat for each Record {[[key]], [[value]]} p that is an element of entries,
+ a. If p.[[key]] is not empty and SameValueZero(p.[[key]], key) is true, then
+ ...
+ iii. Return true.
+ 6. Return false.
+---*/
+
+var m = new Map([
+ ['a', 1],
+ ['b', 2]
+]);
+
+assert.sameValue(m.delete('not-in-the-map'), false);
+
+m.delete('a');
+assert.sameValue(m.delete('a'), false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/delete/returns-true-for-deleted-entry.js b/js/src/tests/test262/built-ins/Map/prototype/delete/returns-true-for-deleted-entry.js
new file mode 100644
index 0000000000..11b6502121
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/delete/returns-true-for-deleted-entry.js
@@ -0,0 +1,29 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.delete
+description: >
+ Returns true when deletes an entry.
+info: |
+ Map.prototype.delete ( key )
+
+ 4. Let entries be the List that is the value of M’s [[MapData]] internal slot.
+ 5. Repeat for each Record {[[key]], [[value]]} p that is an element of entries,
+ a. If p.[[key]] is not empty and SameValueZero(p.[[key]], key) is true, then
+ i. Set p.[[key]] to empty.
+ ii. Set p.[[value]] to empty.
+ iii. Return true.
+ ...
+---*/
+
+var m = new Map([
+ ['a', 1],
+ ['b', 2]
+]);
+
+var result = m.delete('a');
+
+assert(result);
+assert.sameValue(m.size, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/delete/shell.js b/js/src/tests/test262/built-ins/Map/prototype/delete/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/delete/shell.js
diff --git a/js/src/tests/test262/built-ins/Map/prototype/descriptor.js b/js/src/tests/test262/built-ins/Map/prototype/descriptor.js
new file mode 100644
index 0000000000..6e4de86aff
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/descriptor.js
@@ -0,0 +1,16 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype
+description: Map.prototype property attributes.
+info: |
+ This property has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+ [[Configurable]]: false }.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Map, 'prototype');
+verifyNotWritable(Map, 'prototype');
+verifyNotConfigurable(Map, 'prototype');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/entries/browser.js b/js/src/tests/test262/built-ins/Map/prototype/entries/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/entries/browser.js
diff --git a/js/src/tests/test262/built-ins/Map/prototype/entries/does-not-have-mapdata-internal-slot-set.js b/js/src/tests/test262/built-ins/Map/prototype/entries/does-not-have-mapdata-internal-slot-set.js
new file mode 100644
index 0000000000..d3b6325a6c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/entries/does-not-have-mapdata-internal-slot-set.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.entries
+description: >
+ Throws a TypeError if `this` is a Set object.
+info: |
+ Map.prototype.entries ( )
+
+ 1. Let M be the this value.
+ 2. Return CreateMapIterator(M, "key+value").
+
+ 23.1.5.1 CreateMapIterator Abstract Operation
+
+ ...
+ 2. If map does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+features: [Set]
+---*/
+
+assert.throws(TypeError, function() {
+ Map.prototype.entries.call(new Set());
+});
+
+assert.throws(TypeError, function() {
+ var m = new Map();
+ m.entries.call(new Set());
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/entries/does-not-have-mapdata-internal-slot-weakmap.js b/js/src/tests/test262/built-ins/Map/prototype/entries/does-not-have-mapdata-internal-slot-weakmap.js
new file mode 100644
index 0000000000..87eb91ab40
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/entries/does-not-have-mapdata-internal-slot-weakmap.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.entries
+description: >
+ Throws a TypeError if `this` is a WeakMap object.
+info: |
+ Map.prototype.entries ( )
+
+ 1. Let M be the this value.
+ 2. Return CreateMapIterator(M, "key+value").
+
+ 23.1.5.1 CreateMapIterator Abstract Operation
+
+ ...
+ 2. If map does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+features: [WeakMap]
+---*/
+
+assert.throws(TypeError, function() {
+ Map.prototype.entries.call(new WeakMap());
+});
+
+assert.throws(TypeError, function() {
+ var m = new Map();
+ m.entries.call(new WeakMap());
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/entries/does-not-have-mapdata-internal-slot.js b/js/src/tests/test262/built-ins/Map/prototype/entries/does-not-have-mapdata-internal-slot.js
new file mode 100644
index 0000000000..ce76b2353e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/entries/does-not-have-mapdata-internal-slot.js
@@ -0,0 +1,40 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.entries
+description: >
+ Throws a TypeError if `this` object does not have a [[MapData]] internal slot.
+info: |
+ Map.prototype.entries ( )
+
+ 1. Let M be the this value.
+ 2. Return CreateMapIterator(M, "key+value").
+
+ 23.1.5.1 CreateMapIterator Abstract Operation
+
+ ...
+ 2. If map does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+
+---*/
+
+var m = new Map();
+
+assert.throws(TypeError, function() {
+ Map.prototype.entries.call([]);
+});
+
+assert.throws(TypeError, function() {
+ m.entries.call([]);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.entries.call({});
+});
+
+assert.throws(TypeError, function() {
+ m.entries.call({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/entries/entries.js b/js/src/tests/test262/built-ins/Map/prototype/entries/entries.js
new file mode 100644
index 0000000000..c4a37be588
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/entries/entries.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.entries
+description: >
+ Property type and descriptor.
+info: |
+ Map.prototype.entries ( )
+
+ 17 ECMAScript Standard Built-in Objects
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ typeof Map.prototype.entries,
+ 'function',
+ '`typeof Map.prototype.entries` is `function`'
+);
+
+verifyNotEnumerable(Map.prototype, 'entries');
+verifyWritable(Map.prototype, 'entries');
+verifyConfigurable(Map.prototype, 'entries');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/entries/length.js b/js/src/tests/test262/built-ins/Map/prototype/entries/length.js
new file mode 100644
index 0000000000..593e918133
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/entries/length.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.entries
+description: >
+ Map.prototype.entries.length value and descriptor.
+info: |
+ Map.prototype.entries ( )
+
+ 17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ Map.prototype.entries.length, 0,
+ 'The value of `Map.prototype.entries.length` is `0`'
+);
+
+verifyNotEnumerable(Map.prototype.entries, 'length');
+verifyNotWritable(Map.prototype.entries, 'length');
+verifyConfigurable(Map.prototype.entries, 'length');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/entries/name.js b/js/src/tests/test262/built-ins/Map/prototype/entries/name.js
new file mode 100644
index 0000000000..533b2fa97e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/entries/name.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.entries
+description: >
+ Map.prototype.entries.name value and descriptor.
+info: |
+ Map.prototype.entries ( )
+
+ 17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ Map.prototype.entries.name, 'entries',
+ 'The value of `Map.prototype.entries.name` is `"entries"`'
+);
+
+verifyNotEnumerable(Map.prototype.entries, 'name');
+verifyNotWritable(Map.prototype.entries, 'name');
+verifyConfigurable(Map.prototype.entries, 'name');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/entries/not-a-constructor.js b/js/src/tests/test262/built-ins/Map/prototype/entries/not-a-constructor.js
new file mode 100644
index 0000000000..087ce39b98
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/entries/not-a-constructor.js
@@ -0,0 +1,35 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+ Map.prototype.entries does not implement [[Construct]], is not new-able
+info: |
+ ECMAScript Function Objects
+
+ Built-in function objects that are not identified as constructors do not
+ implement the [[Construct]] internal method unless otherwise specified in
+ the description of a particular function.
+
+ sec-evaluatenew
+
+ ...
+ 7. If IsConstructor(constructor) is false, throw a TypeError exception.
+ ...
+includes: [isConstructor.js]
+features: [Reflect.construct, Map, arrow-function]
+---*/
+
+assert.sameValue(
+ isConstructor(Map.prototype.entries),
+ false,
+ 'isConstructor(Map.prototype.entries) must return false'
+);
+
+assert.throws(TypeError, () => {
+ let m = new Map(); new m.entries();
+}, '`let m = new Map(); new m.entries()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/entries/returns-iterator-empty.js b/js/src/tests/test262/built-ins/Map/prototype/entries/returns-iterator-empty.js
new file mode 100644
index 0000000000..adda70f483
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/entries/returns-iterator-empty.js
@@ -0,0 +1,29 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.entries
+description: >
+ Returns an iterator on an empty Map object.
+info: |
+ Map.prototype.entries ( )
+
+ ...
+ 2. Return CreateMapIterator(M, "key+value").
+
+ 23.1.5.1 CreateMapIterator Abstract Operation
+
+ ...
+ 7. Return iterator.
+---*/
+
+var map = new Map();
+var iterator = map.entries();
+var result = iterator.next();
+
+assert.sameValue(
+ result.value, undefined,
+ 'The value of `result.value` is `undefined`'
+);
+assert.sameValue(result.done, true, 'The value of `result.done` is `true`');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/entries/returns-iterator.js b/js/src/tests/test262/built-ins/Map/prototype/entries/returns-iterator.js
new file mode 100644
index 0000000000..aeae3eb81b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/entries/returns-iterator.js
@@ -0,0 +1,57 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.entries
+description: >
+ Returns an iterator.
+info: |
+ Map.prototype.entries ( )
+
+ ...
+ 2. Return CreateMapIterator(M, "key+value").
+
+ 23.1.5.1 CreateMapIterator Abstract Operation
+
+ ...
+ 7. Return iterator.
+---*/
+
+var map = new Map();
+map.set('a',1);
+map.set('b',2);
+map.set('c',3);
+
+var iterator = map.entries();
+var result;
+
+result = iterator.next();
+assert.sameValue(result.value[0], 'a', 'First result `value` ("key")');
+assert.sameValue(result.value[1], 1, 'First result `value` ("value")');
+assert.sameValue(result.value.length, 2, 'First result `value` (length)');
+assert.sameValue(result.done, false, 'First result `done` flag');
+
+result = iterator.next();
+assert.sameValue(result.value[0], 'b', 'Second result `value` ("key")');
+assert.sameValue(result.value[1], 2, 'Second result `value` ("value")');
+assert.sameValue(result.value.length, 2, 'Second result `value` (length)');
+assert.sameValue(result.done, false, 'Second result `done` flag');
+
+result = iterator.next();
+assert.sameValue(result.value[0], 'c', 'Third result `value` ("key")');
+assert.sameValue(result.value[1], 3, 'Third result `value` ("value")');
+assert.sameValue(result.value.length, 2, 'Third result `value` (length)');
+assert.sameValue(result.done, false, 'Third result `done` flag');
+
+result = iterator.next();
+assert.sameValue(result.value, undefined, 'Exhausted result `value`');
+assert.sameValue(result.done, true, 'Exhausted result `done` flag');
+
+result = iterator.next();
+assert.sameValue(
+ result.value, undefined, 'Exhausted result `value` (repeated request)'
+);
+assert.sameValue(
+ result.done, true, 'Exhausted result `done` flag (repeated request)'
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/entries/shell.js b/js/src/tests/test262/built-ins/Map/prototype/entries/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/entries/shell.js
diff --git a/js/src/tests/test262/built-ins/Map/prototype/entries/this-not-object-throw.js b/js/src/tests/test262/built-ins/Map/prototype/entries/this-not-object-throw.js
new file mode 100644
index 0000000000..3b8144ef05
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/entries/this-not-object-throw.js
@@ -0,0 +1,49 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.entries
+description: >
+ Throws a TypeError if `this` is not an Object.
+info: |
+ Map.prototype.entries ( )
+
+ ...
+ 2. Return CreateSetIterator(M, "key+value").
+
+ 23.1.5.1 CreateSetIterator Abstract Operation
+
+ 1. If Type(map) is not Object, throw a TypeError exception.
+ ...
+features: [Symbol]
+---*/
+
+assert.throws(TypeError, function() {
+ Map.prototype.entries.call(false);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.entries.call(1);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.entries.call('');
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.entries.call(undefined);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.entries.call(null);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.entries.call(Symbol());
+});
+
+assert.throws(TypeError, function() {
+ var map = new Map();
+ map.entries.call(false);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/forEach/browser.js b/js/src/tests/test262/built-ins/Map/prototype/forEach/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/forEach/browser.js
diff --git a/js/src/tests/test262/built-ins/Map/prototype/forEach/callback-parameters.js b/js/src/tests/test262/built-ins/Map/prototype/forEach/callback-parameters.js
new file mode 100644
index 0000000000..80120ec0f3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/forEach/callback-parameters.js
@@ -0,0 +1,46 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.forEach
+description: >
+ Verify the parameters order on the given callback.
+info: |
+ Map.prototype.forEach ( callbackfn [ , thisArg ] )
+
+ ...
+ 5. If thisArg was supplied, let T be thisArg; else let T be undefined.
+ 6. Let entries be the List that is the value of M’s [[MapData]] internal slot.
+ 7. Repeat for each Record {[[key]], [[value]]} e that is an element of
+ entries, in original key insertion order
+ a. If e.[[key]] is not empty, then
+ i. Let funcResult be Call(callbackfn, T, «e.[[value]], e.[[key]], M»).
+ ...
+---*/
+
+var map = new Map();
+map.set('foo', 42);
+map.set('bar', 'baz');
+
+var results = [];
+
+var callback = function(value, key, thisArg) {
+ results.push({
+ value: value,
+ key: key,
+ thisArg: thisArg
+ });
+};
+
+map.forEach(callback);
+
+assert.sameValue(results[0].value, 42);
+assert.sameValue(results[0].key, 'foo');
+assert.sameValue(results[0].thisArg, map);
+
+assert.sameValue(results[1].value, 'baz');
+assert.sameValue(results[1].key, 'bar');
+assert.sameValue(results[1].thisArg, map);
+
+assert.sameValue(results.length, 2);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/forEach/callback-result-is-abrupt.js b/js/src/tests/test262/built-ins/Map/prototype/forEach/callback-result-is-abrupt.js
new file mode 100644
index 0000000000..db210e806a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/forEach/callback-result-is-abrupt.js
@@ -0,0 +1,29 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.forEach
+description: >
+ Returns error from callback result is abrupt.
+info: |
+ Map.prototype.forEach ( callbackfn [ , thisArg ] )
+
+ ...
+ 5. If thisArg was supplied, let T be thisArg; else let T be undefined.
+ 6. Let entries be the List that is the value of M’s [[MapData]] internal slot.
+ 7. Repeat for each Record {[[key]], [[value]]} e that is an element of
+ entries, in original key insertion order
+ a. If e.[[key]] is not empty, then
+ i. Let funcResult be Call(callbackfn, T, «e.[[value]], e.[[key]], M»).
+ ii. ReturnIfAbrupt(funcResult).
+ ...
+---*/
+
+var map = new Map([[0, 0]]);
+
+assert.throws(Test262Error, function() {
+ map.forEach(function() {
+ throw new Test262Error();
+ });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/forEach/callback-this-non-strict.js b/js/src/tests/test262/built-ins/Map/prototype/forEach/callback-this-non-strict.js
new file mode 100644
index 0000000000..d28c2691d2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/forEach/callback-this-non-strict.js
@@ -0,0 +1,37 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.forEach
+description: >
+ If a thisArg is not provided, undefined will be used as the this value for
+ each invocation of callbackfn.
+info: |
+ Map.prototype.forEach ( callbackfn [ , thisArg ] )
+
+ ...
+ 5. If thisArg was supplied, let T be thisArg; else let T be undefined.
+ 6. Let entries be the List that is the value of M’s [[MapData]] internal slot.
+ 7. Repeat for each Record {[[key]], [[value]]} e that is an element of
+ entries, in original key insertion order
+ a. If e.[[key]] is not empty, then
+ i. Let funcResult be Call(callbackfn, T, «e.[[value]], e.[[key]], M»).
+ ...
+flags: [noStrict]
+---*/
+
+var _this = [];
+var map = new Map();
+
+map.set(0, 0);
+map.set(1, 1);
+map.set(2, 2);
+
+map.forEach(function() {
+ _this.push(this);
+});
+
+assert.sameValue(_this[0], this);
+assert.sameValue(_this[1], this);
+assert.sameValue(_this[2], this);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/forEach/callback-this-strict-strict.js b/js/src/tests/test262/built-ins/Map/prototype/forEach/callback-this-strict-strict.js
new file mode 100644
index 0000000000..97abaf89b5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/forEach/callback-this-strict-strict.js
@@ -0,0 +1,38 @@
+'use strict';
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.forEach
+description: >
+ If a thisArg is not provided, undefined will be used as the this value for
+ each invocation of callbackfn.
+info: |
+ Map.prototype.forEach ( callbackfn [ , thisArg ] )
+
+ ...
+ 5. If thisArg was supplied, let T be thisArg; else let T be undefined.
+ 6. Let entries be the List that is the value of M’s [[MapData]] internal slot.
+ 7. Repeat for each Record {[[key]], [[value]]} e that is an element of
+ entries, in original key insertion order
+ a. If e.[[key]] is not empty, then
+ i. Let funcResult be Call(callbackfn, T, «e.[[value]], e.[[key]], M»).
+ ...
+flags: [onlyStrict]
+---*/
+
+var _this = [];
+var map = new Map();
+
+map.set(0, 0);
+map.set(1, 1);
+map.set(2, 2);
+
+map.forEach(function() {
+ _this.push(this);
+});
+
+assert.sameValue(_this[0], undefined);
+assert.sameValue(_this[1], undefined);
+assert.sameValue(_this[2], undefined);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/forEach/deleted-values-during-foreach.js b/js/src/tests/test262/built-ins/Map/prototype/forEach/deleted-values-during-foreach.js
new file mode 100644
index 0000000000..76498de300
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/forEach/deleted-values-during-foreach.js
@@ -0,0 +1,43 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.forEach
+description: >
+ Map state with deleted values during forEach.
+info: |
+ Map.prototype.forEach ( callbackfn [ , thisArg ] )
+
+ ...
+ 5. If thisArg was supplied, let T be thisArg; else let T be undefined.
+ 6. Let entries be the List that is the value of M’s [[MapData]] internal slot.
+ 7. Repeat for each Record {[[key]], [[value]]} e that is an element of
+ entries, in original key insertion order
+ a. If e.[[key]] is not empty, then
+ i. Let funcResult be Call(callbackfn, T, «e.[[value]], e.[[key]], M»).
+ ii. ReturnIfAbrupt(funcResult).
+ ...
+---*/
+
+var map = new Map();
+map.set('foo', 0);
+map.set('bar', 1);
+
+var count = 0;
+var results = [];
+
+map.forEach(function(value, key) {
+ if (count === 0) {
+ map.delete('bar');
+ }
+ results.push({
+ value: value,
+ key: key
+ });
+ count++;
+});
+
+assert.sameValue(results.length, 1);
+assert.sameValue(results[0].key, 'foo');
+assert.sameValue(results[0].value, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/forEach/does-not-have-mapdata-internal-slot-set.js b/js/src/tests/test262/built-ins/Map/prototype/forEach/does-not-have-mapdata-internal-slot-set.js
new file mode 100644
index 0000000000..45dff89fd3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/forEach/does-not-have-mapdata-internal-slot-set.js
@@ -0,0 +1,26 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.forEach
+description: >
+ Throws a TypeError if `this` is a Set object.
+info: |
+ Map.prototype.forEach ( callbackfn [ , thisArg ] )
+
+ ...
+ 3. If M does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+features: [Set]
+---*/
+
+assert.throws(TypeError, function() {
+ Map.prototype.forEach.call(new Set(), function() {});
+});
+
+assert.throws(TypeError, function() {
+ var m = new Map();
+ m.forEach.call(new Set(), function() {});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/forEach/does-not-have-mapdata-internal-slot-weakmap.js b/js/src/tests/test262/built-ins/Map/prototype/forEach/does-not-have-mapdata-internal-slot-weakmap.js
new file mode 100644
index 0000000000..f53d2ca50a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/forEach/does-not-have-mapdata-internal-slot-weakmap.js
@@ -0,0 +1,26 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.forEach
+description: >
+ Throws a TypeError if `this` is a WeakMap object.
+info: |
+ Map.prototype.forEach ( callbackfn [ , thisArg ] )
+
+ ...
+ 3. If M does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+features: [WeakMap]
+---*/
+
+assert.throws(TypeError, function() {
+ Map.prototype.forEach.call(new WeakMap(), function() {});
+});
+
+assert.throws(TypeError, function() {
+ var m = new Map();
+ m.forEach.call(new WeakMap(), function() {});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/forEach/does-not-have-mapdata-internal-slot.js b/js/src/tests/test262/built-ins/Map/prototype/forEach/does-not-have-mapdata-internal-slot.js
new file mode 100644
index 0000000000..1f7f9c860c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/forEach/does-not-have-mapdata-internal-slot.js
@@ -0,0 +1,34 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.forEach
+description: >
+ Throws a TypeError if `this` object does not have a [[MapData]] internal slot.
+info: |
+ Map.prototype.forEach ( callbackfn [ , thisArg ] )
+
+ ...
+ 3. If M does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+---*/
+
+var m = new Map();
+
+assert.throws(TypeError, function() {
+ Map.prototype.forEach.call([], function() {});
+});
+
+assert.throws(TypeError, function() {
+ m.forEach.call([], function() {});
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.forEach.call({}, function() {});
+});
+
+assert.throws(TypeError, function() {
+ m.forEach.call({}, function() {});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/forEach/first-argument-is-not-callable.js b/js/src/tests/test262/built-ins/Map/prototype/forEach/first-argument-is-not-callable.js
new file mode 100644
index 0000000000..c88ef521af
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/forEach/first-argument-is-not-callable.js
@@ -0,0 +1,45 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.forEach
+description: >
+ Throws a TypeError if first argument is not callable.
+info: |
+ Map.prototype.forEach ( callbackfn [ , thisArg ] )
+
+ 4. If IsCallable(callbackfn) is false, throw a TypeError exception.
+ ...
+features: [Symbol]
+---*/
+
+var map = new Map();
+
+assert.throws(TypeError, function() {
+ map.forEach({});
+});
+
+assert.throws(TypeError, function() {
+ map.forEach([]);
+});
+
+assert.throws(TypeError, function() {
+ map.forEach(1);
+});
+
+assert.throws(TypeError, function() {
+ map.forEach('');
+});
+
+assert.throws(TypeError, function() {
+ map.forEach(null);
+});
+
+assert.throws(TypeError, function() {
+ map.forEach(undefined);
+});
+
+assert.throws(TypeError, function() {
+ map.forEach(Symbol());
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/forEach/forEach.js b/js/src/tests/test262/built-ins/Map/prototype/forEach/forEach.js
new file mode 100644
index 0000000000..20f4b5b758
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/forEach/forEach.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.forEach
+description: >
+ Property type and descriptor.
+info: |
+ Map.prototype.forEach ( callbackfn [ , thisArg ] )
+
+ 17 ECMAScript Standard Built-in Objects
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ typeof Map.prototype.forEach,
+ 'function',
+ '`typeof Map.prototype.forEach` is `function`'
+);
+
+verifyNotEnumerable(Map.prototype, 'forEach');
+verifyWritable(Map.prototype, 'forEach');
+verifyConfigurable(Map.prototype, 'forEach');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/forEach/iterates-in-key-insertion-order.js b/js/src/tests/test262/built-ins/Map/prototype/forEach/iterates-in-key-insertion-order.js
new file mode 100644
index 0000000000..24012f435b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/forEach/iterates-in-key-insertion-order.js
@@ -0,0 +1,53 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.forEach
+description: >
+ Repeats for each non-empty record, in original key insertion order.
+info: |
+ Map.prototype.forEach ( callbackfn [ , thisArg ] )
+
+ ...
+ 5. If thisArg was supplied, let T be thisArg; else let T be undefined.
+ 6. Let entries be the List that is the value of M’s [[MapData]] internal slot.
+ 7. Repeat for each Record {[[key]], [[value]]} e that is an element of
+ entries, in original key insertion order
+ a. If e.[[key]] is not empty, then
+ i. Let funcResult be Call(callbackfn, T, «e.[[value]], e.[[key]], M»).
+ ...
+---*/
+
+var map = new Map([
+ ['foo', 'valid foo'],
+ ['bar', false],
+ ['baz', 'valid baz']
+]);
+map.set(0, false);
+map.set(1, false);
+map.set(2, 'valid 2');
+map.delete(1);
+map.delete('bar');
+
+// Not setting a new key, just changing the value
+map.set(0, 'valid 0');
+
+var results = [];
+var callback = function(value) {
+ results.push(value);
+};
+
+map.forEach(callback);
+
+assert.sameValue(results[0], 'valid foo');
+assert.sameValue(results[1], 'valid baz');
+assert.sameValue(results[2], 'valid 0');
+assert.sameValue(results[3], 'valid 2');
+assert.sameValue(results.length, 4);
+
+map.clear();
+results = [];
+
+map.forEach(callback);
+assert.sameValue(results.length, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/forEach/iterates-values-added-after-foreach-begins.js b/js/src/tests/test262/built-ins/Map/prototype/forEach/iterates-values-added-after-foreach-begins.js
new file mode 100644
index 0000000000..f728b86d9b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/forEach/iterates-values-added-after-foreach-begins.js
@@ -0,0 +1,51 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.forEach
+description: >
+ New keys are visited if created during forEach execution.
+info: |
+ Map.prototype.forEach ( callbackfn [ , thisArg ] )
+
+ ...
+ 5. If thisArg was supplied, let T be thisArg; else let T be undefined.
+ 6. Let entries be the List that is the value of M’s [[MapData]] internal slot.
+ 7. Repeat for each Record {[[key]], [[value]]} e that is an element of
+ entries, in original key insertion order
+ a. If e.[[key]] is not empty, then
+ i. Let funcResult be Call(callbackfn, T, «e.[[value]], e.[[key]], M»).
+ ii. ReturnIfAbrupt(funcResult).
+ ...
+---*/
+
+var map = new Map();
+map.set('foo', 0);
+map.set('bar', 1);
+
+var count = 0;
+var results = [];
+
+map.forEach(function(value, key) {
+ if (count === 0) {
+ map.set('baz', 2);
+ }
+ results.push({
+ value: value,
+ key: key
+ });
+ count++;
+});
+
+assert.sameValue(count, 3);
+assert.sameValue(map.size, 3);
+
+assert.sameValue(results[0].key, 'foo');
+assert.sameValue(results[0].value, 0);
+
+assert.sameValue(results[1].key, 'bar');
+assert.sameValue(results[1].value, 1);
+
+assert.sameValue(results[2].key, 'baz');
+assert.sameValue(results[2].value, 2);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/forEach/iterates-values-deleted-then-readded.js b/js/src/tests/test262/built-ins/Map/prototype/forEach/iterates-values-deleted-then-readded.js
new file mode 100644
index 0000000000..a0cce8e525
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/forEach/iterates-values-deleted-then-readded.js
@@ -0,0 +1,52 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.forEach
+description: >
+ New keys are visited if created during forEach execution.
+info: |
+ Map.prototype.forEach ( callbackfn [ , thisArg ] )
+
+ ...
+ 5. If thisArg was supplied, let T be thisArg; else let T be undefined.
+ 6. Let entries be the List that is the value of M’s [[MapData]] internal slot.
+ 7. Repeat for each Record {[[key]], [[value]]} e that is an element of
+ entries, in original key insertion order
+ a. If e.[[key]] is not empty, then
+ i. Let funcResult be Call(callbackfn, T, «e.[[value]], e.[[key]], M»).
+ ii. ReturnIfAbrupt(funcResult).
+ ...
+---*/
+
+var map = new Map();
+map.set('foo', 0);
+map.set('bar', 1);
+
+var count = 0;
+var results = [];
+
+map.forEach(function(value, key) {
+ if (count === 0) {
+ map.delete('foo');
+ map.set('foo', 'baz');
+ }
+ results.push({
+ value: value,
+ key: key
+ });
+ count++;
+});
+
+assert.sameValue(count, 3);
+assert.sameValue(map.size, 2);
+
+assert.sameValue(results[0].key, 'foo');
+assert.sameValue(results[0].value, 0);
+
+assert.sameValue(results[1].key, 'bar');
+assert.sameValue(results[1].value, 1);
+
+assert.sameValue(results[2].key, 'foo');
+assert.sameValue(results[2].value, 'baz');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/forEach/length.js b/js/src/tests/test262/built-ins/Map/prototype/forEach/length.js
new file mode 100644
index 0000000000..d0e0c95dc8
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/forEach/length.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.forEach
+description: >
+ Map.prototype.forEach.length value and descriptor.
+info: |
+ Map.prototype.forEach ( callbackfn [ , thisArg ] )
+
+ 17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ Map.prototype.forEach.length, 1,
+ 'The value of `Map.prototype.forEach.length` is `1`'
+);
+
+verifyNotEnumerable(Map.prototype.forEach, 'length');
+verifyNotWritable(Map.prototype.forEach, 'length');
+verifyConfigurable(Map.prototype.forEach, 'length');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/forEach/name.js b/js/src/tests/test262/built-ins/Map/prototype/forEach/name.js
new file mode 100644
index 0000000000..ea6f8c57fd
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/forEach/name.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.forEach
+description: >
+ Map.prototype.forEach.name value and descriptor.
+info: |
+ Map.prototype.forEach ( callbackfn [ , thisArg ] )
+
+ 17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ Map.prototype.forEach.name, 'forEach',
+ 'The value of `Map.prototype.forEach.name` is `"forEach"`'
+);
+
+verifyNotEnumerable(Map.prototype.forEach, 'name');
+verifyNotWritable(Map.prototype.forEach, 'name');
+verifyConfigurable(Map.prototype.forEach, 'name');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/forEach/not-a-constructor.js b/js/src/tests/test262/built-ins/Map/prototype/forEach/not-a-constructor.js
new file mode 100644
index 0000000000..0a113f9d68
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/forEach/not-a-constructor.js
@@ -0,0 +1,35 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+ Map.prototype.forEach does not implement [[Construct]], is not new-able
+info: |
+ ECMAScript Function Objects
+
+ Built-in function objects that are not identified as constructors do not
+ implement the [[Construct]] internal method unless otherwise specified in
+ the description of a particular function.
+
+ sec-evaluatenew
+
+ ...
+ 7. If IsConstructor(constructor) is false, throw a TypeError exception.
+ ...
+includes: [isConstructor.js]
+features: [Reflect.construct, Map, arrow-function]
+---*/
+
+assert.sameValue(
+ isConstructor(Map.prototype.forEach),
+ false,
+ 'isConstructor(Map.prototype.forEach) must return false'
+);
+
+assert.throws(TypeError, () => {
+ let m = new Map(); new m.forEach();
+}, '`let m = new Map(); new m.forEach()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/forEach/return-undefined.js b/js/src/tests/test262/built-ins/Map/prototype/forEach/return-undefined.js
new file mode 100644
index 0000000000..f3f2d3b2fd
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/forEach/return-undefined.js
@@ -0,0 +1,29 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.forEach
+description: >
+ Returns undefined.
+info: |
+ Map.prototype.forEach ( callbackfn [ , thisArg ] )
+
+ ...
+ 8. Return undefined.
+---*/
+
+var map = new Map();
+
+var result = map.forEach(function() {
+ return true;
+});
+
+assert.sameValue(result, undefined, 'Empty map#forEach returns undefined');
+
+map.set(1, 1);
+result = map.forEach(function() {
+ return true;
+});
+
+assert.sameValue(result, undefined, 'map#forEach returns undefined');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/forEach/second-parameter-as-callback-context.js b/js/src/tests/test262/built-ins/Map/prototype/forEach/second-parameter-as-callback-context.js
new file mode 100644
index 0000000000..16c5def0d4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/forEach/second-parameter-as-callback-context.js
@@ -0,0 +1,39 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.forEach
+description: >
+ If a thisArg parameter is provided, it will be used as the this value for each
+ invocation of callbackfn.
+info: |
+ Map.prototype.forEach ( callbackfn [ , thisArg ] )
+
+ ...
+ 5. If thisArg was supplied, let T be thisArg; else let T be undefined.
+ 6. Let entries be the List that is the value of M’s [[MapData]] internal slot.
+ 7. Repeat for each Record {[[key]], [[value]]} e that is an element of
+ entries, in original key insertion order
+ a. If e.[[key]] is not empty, then
+ i. Let funcResult be Call(callbackfn, T, «e.[[value]], e.[[key]], M»).
+ ...
+---*/
+
+var expectedThis = {};
+var _this = [];
+
+var map = new Map();
+map.set(0, 0);
+map.set(1, 1);
+map.set(2, 2);
+
+var callback = function() {
+ _this.push(this);
+};
+
+map.forEach(callback, expectedThis);
+
+assert.sameValue(_this[0], expectedThis);
+assert.sameValue(_this[1], expectedThis);
+assert.sameValue(_this[2], expectedThis);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/forEach/shell.js b/js/src/tests/test262/built-ins/Map/prototype/forEach/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/forEach/shell.js
diff --git a/js/src/tests/test262/built-ins/Map/prototype/forEach/this-not-object-throw.js b/js/src/tests/test262/built-ins/Map/prototype/forEach/this-not-object-throw.js
new file mode 100644
index 0000000000..0e281c6585
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/forEach/this-not-object-throw.js
@@ -0,0 +1,45 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.forEach
+description: >
+ Throws a TypeError if `this` is not an Object.
+info: |
+ Map.prototype.forEach ( callbackfn [ , thisArg ] )
+
+ 1. Let M be the this value.
+ 2. If Type(M) is not Object, throw a TypeError exception.
+ ...
+features: [Symbol]
+---*/
+
+assert.throws(TypeError, function() {
+ Map.prototype.forEach.call(false, function() {});
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.forEach.call(1, function() {});
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.forEach.call('', function() {});
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.forEach.call(undefined, function() {});
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.forEach.call(null, function() {});
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.forEach.call(Symbol(), function() {});
+});
+
+assert.throws(TypeError, function() {
+ var map = new Map();
+ map.forEach.call(false, function() {});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/get/browser.js b/js/src/tests/test262/built-ins/Map/prototype/get/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/get/browser.js
diff --git a/js/src/tests/test262/built-ins/Map/prototype/get/does-not-have-mapdata-internal-slot-set.js b/js/src/tests/test262/built-ins/Map/prototype/get/does-not-have-mapdata-internal-slot-set.js
new file mode 100644
index 0000000000..05dd6be15b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/get/does-not-have-mapdata-internal-slot-set.js
@@ -0,0 +1,26 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.get
+description: >
+ Throws a TypeError if `this` is a Set object.
+info: |
+ Map.prototype.get ( key )
+
+ ...
+ 3. If M does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+features: [Set]
+---*/
+
+assert.throws(TypeError, function() {
+ Map.prototype.get.call(new Set(), 1);
+});
+
+assert.throws(TypeError, function() {
+ var m = new Map();
+ m.get.call(new Set(), 1);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/get/does-not-have-mapdata-internal-slot-weakmap.js b/js/src/tests/test262/built-ins/Map/prototype/get/does-not-have-mapdata-internal-slot-weakmap.js
new file mode 100644
index 0000000000..618f1201df
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/get/does-not-have-mapdata-internal-slot-weakmap.js
@@ -0,0 +1,26 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.get
+description: >
+ Throws a TypeError if `this` is a WeakMap object.
+info: |
+ Map.prototype.get ( key )
+
+ ...
+ 3. If M does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+features: [WeakMap]
+---*/
+
+assert.throws(TypeError, function() {
+ Map.prototype.get.call(new WeakMap(), 1);
+});
+
+assert.throws(TypeError, function() {
+ var m = new Map();
+ m.get.call(new WeakMap(), 1);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/get/does-not-have-mapdata-internal-slot.js b/js/src/tests/test262/built-ins/Map/prototype/get/does-not-have-mapdata-internal-slot.js
new file mode 100644
index 0000000000..1cc52a9e22
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/get/does-not-have-mapdata-internal-slot.js
@@ -0,0 +1,34 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.get
+description: >
+ Throws a TypeError if `this` object does not have a [[MapData]] internal slot.
+info: |
+ Map.prototype.get ( key )
+
+ ...
+ 3. If M does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+---*/
+
+var m = new Map();
+
+assert.throws(TypeError, function() {
+ Map.prototype.get.call([], 1);
+});
+
+assert.throws(TypeError, function() {
+ m.get.call([], 1);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.get.call({}, 1);
+});
+
+assert.throws(TypeError, function() {
+ m.get.call({}, 1);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/get/get.js b/js/src/tests/test262/built-ins/Map/prototype/get/get.js
new file mode 100644
index 0000000000..98525e8646
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/get/get.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.get
+description: >
+ Property type and descriptor.
+info: |
+ Map.prototype.get ( key )
+
+ 17 ECMAScript Standard Built-in Objects
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ typeof Map.prototype.get,
+ 'function',
+ '`typeof Map.prototype.get` is `function`'
+);
+
+verifyNotEnumerable(Map.prototype, 'get');
+verifyWritable(Map.prototype, 'get');
+verifyConfigurable(Map.prototype, 'get');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/get/length.js b/js/src/tests/test262/built-ins/Map/prototype/get/length.js
new file mode 100644
index 0000000000..4d6e66ffcb
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/get/length.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.get
+description: >
+ Map.prototype.get.length value and descriptor.
+info: |
+ Map.prototype.get ( key )
+
+ 17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ Map.prototype.get.length, 1,
+ 'The value of `Map.prototype.get.length` is `1`'
+);
+
+verifyNotEnumerable(Map.prototype.get, 'length');
+verifyNotWritable(Map.prototype.get, 'length');
+verifyConfigurable(Map.prototype.get, 'length');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/get/name.js b/js/src/tests/test262/built-ins/Map/prototype/get/name.js
new file mode 100644
index 0000000000..ef63a260ee
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/get/name.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.get
+description: >
+ Map.prototype.get.name value and descriptor.
+info: |
+ Map.prototype.get ( key )
+
+ 17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ Map.prototype.get.name, 'get',
+ 'The value of `Map.prototype.get.name` is `"get"`'
+);
+
+verifyNotEnumerable(Map.prototype.get, 'name');
+verifyNotWritable(Map.prototype.get, 'name');
+verifyConfigurable(Map.prototype.get, 'name');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/get/not-a-constructor.js b/js/src/tests/test262/built-ins/Map/prototype/get/not-a-constructor.js
new file mode 100644
index 0000000000..9bc9b965e2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/get/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+ Map.prototype.get does not implement [[Construct]], is not new-able
+info: |
+ ECMAScript Function Objects
+
+ Built-in function objects that are not identified as constructors do not
+ implement the [[Construct]] internal method unless otherwise specified in
+ the description of a particular function.
+
+ sec-evaluatenew
+
+ ...
+ 7. If IsConstructor(constructor) is false, throw a TypeError exception.
+ ...
+includes: [isConstructor.js]
+features: [Reflect.construct, Map, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Map.prototype.get), false, 'isConstructor(Map.prototype.get) must return false');
+
+assert.throws(TypeError, () => {
+ let m = new Map(); new m.get();
+}, '`let m = new Map(); new m.get()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/get/returns-undefined.js b/js/src/tests/test262/built-ins/Map/prototype/get/returns-undefined.js
new file mode 100644
index 0000000000..9af7162993
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/get/returns-undefined.js
@@ -0,0 +1,43 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.get
+description: >
+ Returns undefined when key is not on the map.
+info: |
+ Map.prototype.get ( key )
+
+ 4. Let entries be the List that is the value of M’s [[MapData]] internal slot.
+ 5. Repeat for each Record {[[key]], [[value]]} p that is an element of
+ entries,
+ a. If p.[[key]] is not empty and SameValueZero(p.[[key]], key) is true,
+ return p.[[value]].
+ 6. Return undefined.
+ ...
+---*/
+
+var map = new Map();
+
+assert.sameValue(
+ map.get('item'), undefined,
+ 'returns undefined if key is not on the map'
+);
+
+map.set('item', 1);
+map.set('another_item', 2);
+map.delete('item');
+
+assert.sameValue(
+ map.get('item'), undefined,
+ 'returns undefined if key was deleted'
+);
+
+map.set('item', 1);
+map.clear();
+
+assert.sameValue(
+ map.get('item'), undefined,
+ 'returns undefined after map is cleared'
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/get/returns-value-different-key-types.js b/js/src/tests/test262/built-ins/Map/prototype/get/returns-value-different-key-types.js
new file mode 100644
index 0000000000..b773a87e48
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/get/returns-value-different-key-types.js
@@ -0,0 +1,50 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.get
+description: >
+ Returns the value from the specified key on different types.
+info: |
+ Map.prototype.get ( key )
+
+ 4. Let entries be the List that is the value of M’s [[MapData]] internal slot.
+ 5. Repeat for each Record {[[key]], [[value]]} p that is an element of
+ entries,
+ a. If p.[[key]] is not empty and SameValueZero(p.[[key]], key) is true,
+ return p.[[value]].
+ ...
+features: [Symbol]
+---*/
+
+var map = new Map();
+
+map.set('bar', 0);
+assert.sameValue(map.get('bar'), 0);
+
+map.set(1, 42);
+assert.sameValue(map.get(1), 42);
+
+map.set(NaN, 1);
+assert.sameValue(map.get(NaN), 1);
+
+var item = {};
+map.set(item, 2);
+assert.sameValue(map.get(item), 2);
+
+item = [];
+map.set(item, 3);
+assert.sameValue(map.get(item), 3);
+
+item = Symbol('item');
+map.set(item, 4);
+assert.sameValue(map.get(item), 4);
+
+item = null;
+map.set(item, 5);
+assert.sameValue(map.get(item), 5);
+
+item = undefined;
+map.set(item, 6);
+assert.sameValue(map.get(item), 6);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/get/returns-value-normalized-zero-key.js b/js/src/tests/test262/built-ins/Map/prototype/get/returns-value-normalized-zero-key.js
new file mode 100644
index 0000000000..194b186002
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/get/returns-value-normalized-zero-key.js
@@ -0,0 +1,27 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.get
+description: >
+ -0 and +0 are normalized to +0;
+info: |
+ Map.prototype.get ( key )
+
+ 4. Let entries be the List that is the value of M’s [[MapData]] internal slot.
+ 5. Repeat for each Record {[[key]], [[value]]} p that is an element of
+ entries,
+ a. If p.[[key]] is not empty and SameValueZero(p.[[key]], key) is true,
+ return p.[[value]].
+ ...
+---*/
+
+var map = new Map();
+
+map.set(+0, 42);
+assert.sameValue(map.get(-0), 42);
+
+map = new Map();
+map.set(-0, 43);
+assert.sameValue(map.get(+0), 43);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/get/shell.js b/js/src/tests/test262/built-ins/Map/prototype/get/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/get/shell.js
diff --git a/js/src/tests/test262/built-ins/Map/prototype/get/this-not-object-throw.js b/js/src/tests/test262/built-ins/Map/prototype/get/this-not-object-throw.js
new file mode 100644
index 0000000000..46d5ea11af
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/get/this-not-object-throw.js
@@ -0,0 +1,45 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.get
+description: >
+ Throws a TypeError if `this` is not an Object.
+info: |
+ Map.prototype.get ( key )
+
+ 1. Let M be the this value.
+ 2. If Type(M) is not Object, throw a TypeError exception.
+ ...
+features: [Symbol]
+---*/
+
+assert.throws(TypeError, function() {
+ Map.prototype.get.call(false, 1);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.get.call(1, 1);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.get.call('', 1);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.get.call(undefined, 1);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.get.call(null, 1);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.get.call(Symbol(), 1);
+});
+
+assert.throws(TypeError, function() {
+ var map = new Map();
+ map.get.call(false, 1);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/has/browser.js b/js/src/tests/test262/built-ins/Map/prototype/has/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/has/browser.js
diff --git a/js/src/tests/test262/built-ins/Map/prototype/has/does-not-have-mapdata-internal-slot-set.js b/js/src/tests/test262/built-ins/Map/prototype/has/does-not-have-mapdata-internal-slot-set.js
new file mode 100644
index 0000000000..be7b3296ea
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/has/does-not-have-mapdata-internal-slot-set.js
@@ -0,0 +1,26 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.has
+description: >
+ Throws a TypeError if `this` is a Set object.
+info: |
+ Map.prototype.has ( key )
+
+ ...
+ 3. If M does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+features: [Set]
+---*/
+
+assert.throws(TypeError, function() {
+ Map.prototype.has.call(new Set(), 1);
+});
+
+assert.throws(TypeError, function() {
+ var m = new Map();
+ m.has.call(new Set(), 1);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/has/does-not-have-mapdata-internal-slot-weakmap.js b/js/src/tests/test262/built-ins/Map/prototype/has/does-not-have-mapdata-internal-slot-weakmap.js
new file mode 100644
index 0000000000..d470bbdb8c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/has/does-not-have-mapdata-internal-slot-weakmap.js
@@ -0,0 +1,26 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.has
+description: >
+ Throws a TypeError if `this` is a WeakMap object.
+info: |
+ Map.prototype.has ( key )
+
+ ...
+ 3. If M does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+features: [WeakMap]
+---*/
+
+assert.throws(TypeError, function() {
+ Map.prototype.has.call(new WeakMap(), 1);
+});
+
+assert.throws(TypeError, function() {
+ var m = new Map();
+ m.has.call(new WeakMap(), 1);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/has/does-not-have-mapdata-internal-slot.js b/js/src/tests/test262/built-ins/Map/prototype/has/does-not-have-mapdata-internal-slot.js
new file mode 100644
index 0000000000..77cb5284b2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/has/does-not-have-mapdata-internal-slot.js
@@ -0,0 +1,34 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.has
+description: >
+ Throws a TypeError if `this` object does not have a [[MapData]] internal slot.
+info: |
+ Map.prototype.has ( key )
+
+ ...
+ 3. If M does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+---*/
+
+var m = new Map();
+
+assert.throws(TypeError, function() {
+ Map.prototype.has.call([], 1);
+});
+
+assert.throws(TypeError, function() {
+ m.has.call([], 1);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.has.call({}, 1);
+});
+
+assert.throws(TypeError, function() {
+ m.has.call({}, 1);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/has/has.js b/js/src/tests/test262/built-ins/Map/prototype/has/has.js
new file mode 100644
index 0000000000..0ff8d0b6eb
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/has/has.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.has
+description: >
+ Property type and descriptor.
+info: |
+ Map.prototype.has ( key )
+
+ 17 ECMAScript Standard Built-in Objects
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ typeof Map.prototype.has,
+ 'function',
+ '`typeof Map.prototype.has` is `function`'
+);
+
+verifyNotEnumerable(Map.prototype, 'has');
+verifyWritable(Map.prototype, 'has');
+verifyConfigurable(Map.prototype, 'has');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/has/length.js b/js/src/tests/test262/built-ins/Map/prototype/has/length.js
new file mode 100644
index 0000000000..d5e9b5b48e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/has/length.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.has
+description: >
+ Map.prototype.has.length value and descriptor.
+info: |
+ Map.prototype.has ( key )
+
+ 17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ Map.prototype.has.length, 1,
+ 'The value of `Map.prototype.has.length` is `1`'
+);
+
+verifyNotEnumerable(Map.prototype.has, 'length');
+verifyNotWritable(Map.prototype.has, 'length');
+verifyConfigurable(Map.prototype.has, 'length');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/has/name.js b/js/src/tests/test262/built-ins/Map/prototype/has/name.js
new file mode 100644
index 0000000000..82e1dc3f01
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/has/name.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.has
+description: >
+ Map.prototype.has.name value and descriptor.
+info: |
+ Map.prototype.has ( key )
+
+ 17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ Map.prototype.has.name, 'has',
+ 'The value of `Map.prototype.has.name` is `"has"`'
+);
+
+verifyNotEnumerable(Map.prototype.has, 'name');
+verifyNotWritable(Map.prototype.has, 'name');
+verifyConfigurable(Map.prototype.has, 'name');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/has/normalizes-zero-key.js b/js/src/tests/test262/built-ins/Map/prototype/has/normalizes-zero-key.js
new file mode 100644
index 0000000000..8bdc66d59c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/has/normalizes-zero-key.js
@@ -0,0 +1,32 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.has
+description: >
+ -0 and +0 are normalized to +0;
+info: |
+ Map.prototype.has ( key )
+
+ 5. Repeat for each Record {[[key]], [[value]]} p that is an element of
+ entries,
+ a. If p.[[key]] is not empty and SameValueZero(p.[[key]], key) is true,
+ return true.
+ ...
+---*/
+
+var map = new Map();
+
+assert.sameValue(map.has(-0), false);
+assert.sameValue(map.has(+0), false);
+
+map.set(-0, 42);
+assert.sameValue(map.has(-0), true);
+assert.sameValue(map.has(+0), true);
+
+map.clear();
+
+map.set(+0, 42);
+assert.sameValue(map.has(-0), true);
+assert.sameValue(map.has(+0), true);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/has/not-a-constructor.js b/js/src/tests/test262/built-ins/Map/prototype/has/not-a-constructor.js
new file mode 100644
index 0000000000..6f1d7d9253
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/has/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+ Map.prototype.has does not implement [[Construct]], is not new-able
+info: |
+ ECMAScript Function Objects
+
+ Built-in function objects that are not identified as constructors do not
+ implement the [[Construct]] internal method unless otherwise specified in
+ the description of a particular function.
+
+ sec-evaluatenew
+
+ ...
+ 7. If IsConstructor(constructor) is false, throw a TypeError exception.
+ ...
+includes: [isConstructor.js]
+features: [Reflect.construct, Map, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Map.prototype.has), false, 'isConstructor(Map.prototype.has) must return false');
+
+assert.throws(TypeError, () => {
+ let m = new Map(); new m.has();
+}, '`let m = new Map(); new m.has()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/has/return-false-different-key-types.js b/js/src/tests/test262/built-ins/Map/prototype/has/return-false-different-key-types.js
new file mode 100644
index 0000000000..a790c9964c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/has/return-false-different-key-types.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.has
+description: >
+ Returns true for existing keys, using different key types.
+info: |
+ Map.prototype.has ( key )
+
+ 5. Repeat for each Record {[[key]], [[value]]} p that is an element of
+ entries,
+ i. If p.[[key]] is not empty and SameValueZero(p.[[key]], key) is true,
+ return true.
+ ...
+features: [Symbol]
+---*/
+
+var map = new Map();
+
+assert.sameValue(map.has('str'), false);
+assert.sameValue(map.has(1), false);
+assert.sameValue(map.has(NaN), false);
+assert.sameValue(map.has(true), false);
+assert.sameValue(map.has(false), false);
+assert.sameValue(map.has({}), false);
+assert.sameValue(map.has([]), false);
+assert.sameValue(map.has(Symbol()), false);
+assert.sameValue(map.has(null), false);
+assert.sameValue(map.has(undefined), false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/has/return-true-different-key-types.js b/js/src/tests/test262/built-ins/Map/prototype/has/return-true-different-key-types.js
new file mode 100644
index 0000000000..1d56cae345
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/has/return-true-different-key-types.js
@@ -0,0 +1,46 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.has
+description: >
+ Returns true for existing keys, using different key types.
+info: |
+ Map.prototype.has ( key )
+
+ 5. Repeat for each Record {[[key]], [[value]]} p that is an element of
+ entries,
+ i. If p.[[key]] is not empty and SameValueZero(p.[[key]], key) is true,
+ return true.
+ ...
+features: [Symbol]
+---*/
+
+var map = new Map();
+
+var obj = {};
+var arr = [];
+var symb = Symbol();
+
+map.set('str', undefined);
+map.set(1, undefined);
+map.set(NaN, undefined);
+map.set(true, undefined);
+map.set(false, undefined);
+map.set(obj, undefined);
+map.set(arr, undefined);
+map.set(symb, undefined);
+map.set(null, undefined);
+map.set(undefined, undefined);
+
+assert.sameValue(map.has('str'), true);
+assert.sameValue(map.has(1), true);
+assert.sameValue(map.has(NaN), true);
+assert.sameValue(map.has(true), true);
+assert.sameValue(map.has(false), true);
+assert.sameValue(map.has(obj), true);
+assert.sameValue(map.has(arr), true);
+assert.sameValue(map.has(symb), true);
+assert.sameValue(map.has(null), true);
+assert.sameValue(map.has(undefined), true);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/has/shell.js b/js/src/tests/test262/built-ins/Map/prototype/has/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/has/shell.js
diff --git a/js/src/tests/test262/built-ins/Map/prototype/has/this-not-object-throw.js b/js/src/tests/test262/built-ins/Map/prototype/has/this-not-object-throw.js
new file mode 100644
index 0000000000..219a48a2ae
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/has/this-not-object-throw.js
@@ -0,0 +1,45 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.has
+description: >
+ Throws a TypeError if `this` is not an Object.
+info: |
+ Map.prototype.has ( key )
+
+ 1. Let M be the this value.
+ 2. If Type(M) is not Object, throw a TypeError exception.
+ ...
+features: [Symbol]
+---*/
+
+assert.throws(TypeError, function() {
+ Map.prototype.has.call(false, 1);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.has.call(1, 1);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.has.call('', 1);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.has.call(undefined, 1);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.has.call(null, 1);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.has.call(Symbol(), 1);
+});
+
+assert.throws(TypeError, function() {
+ var map = new Map();
+ map.has.call(false, 1);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/keys/browser.js b/js/src/tests/test262/built-ins/Map/prototype/keys/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/keys/browser.js
diff --git a/js/src/tests/test262/built-ins/Map/prototype/keys/does-not-have-mapdata-internal-slot-set.js b/js/src/tests/test262/built-ins/Map/prototype/keys/does-not-have-mapdata-internal-slot-set.js
new file mode 100644
index 0000000000..b32534b4a0
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/keys/does-not-have-mapdata-internal-slot-set.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.keys
+description: >
+ Throws a TypeError if `this` is a Set object.
+info: |
+ Map.prototype.keys ()
+
+ 1. Let M be the this value.
+ 2. Return CreateMapIterator(M, "key").
+
+ 23.1.5.1 CreateMapIterator Abstract Operation
+
+ ...
+ 2. If map does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+features: [Set]
+---*/
+
+assert.throws(TypeError, function() {
+ Map.prototype.keys.call(new Set());
+});
+
+assert.throws(TypeError, function() {
+ var m = new Map();
+ m.keys.call(new Set());
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/keys/does-not-have-mapdata-internal-slot-weakmap.js b/js/src/tests/test262/built-ins/Map/prototype/keys/does-not-have-mapdata-internal-slot-weakmap.js
new file mode 100644
index 0000000000..b12d4c2a96
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/keys/does-not-have-mapdata-internal-slot-weakmap.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.keys
+description: >
+ Throws a TypeError if `this` is a WeakMap object.
+info: |
+ Map.prototype.keys ()
+
+ 1. Let M be the this value.
+ 2. Return CreateMapIterator(M, "key").
+
+ 23.1.5.1 CreateMapIterator Abstract Operation
+
+ ...
+ 2. If map does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+features: [WeakMap]
+---*/
+
+assert.throws(TypeError, function() {
+ Map.prototype.keys.call(new WeakMap());
+});
+
+assert.throws(TypeError, function() {
+ var m = new Map();
+ m.keys.call(new WeakMap());
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/keys/does-not-have-mapdata-internal-slot.js b/js/src/tests/test262/built-ins/Map/prototype/keys/does-not-have-mapdata-internal-slot.js
new file mode 100644
index 0000000000..7869123ad1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/keys/does-not-have-mapdata-internal-slot.js
@@ -0,0 +1,40 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.keys
+description: >
+ Throws a TypeError if `this` object does not have a [[MapData]] internal slot.
+info: |
+ Map.prototype.keys ()
+
+ 1. Let M be the this value.
+ 2. Return CreateMapIterator(M, "key").
+
+ 23.1.5.1 CreateMapIterator Abstract Operation
+
+ ...
+ 2. If map does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+
+---*/
+
+var m = new Map();
+
+assert.throws(TypeError, function() {
+ Map.prototype.keys.call([]);
+});
+
+assert.throws(TypeError, function() {
+ m.keys.call([]);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.keys.call({});
+});
+
+assert.throws(TypeError, function() {
+ m.keys.call({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/keys/keys.js b/js/src/tests/test262/built-ins/Map/prototype/keys/keys.js
new file mode 100644
index 0000000000..3ba771c735
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/keys/keys.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.keys
+description: >
+ Property type and descriptor.
+info: |
+ Map.prototype.keys ()
+
+ 17 ECMAScript Standard Built-in Objects
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ typeof Map.prototype.keys,
+ 'function',
+ '`typeof Map.prototype.keys` is `function`'
+);
+
+verifyNotEnumerable(Map.prototype, 'keys');
+verifyWritable(Map.prototype, 'keys');
+verifyConfigurable(Map.prototype, 'keys');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/keys/length.js b/js/src/tests/test262/built-ins/Map/prototype/keys/length.js
new file mode 100644
index 0000000000..6a5c19fd96
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/keys/length.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.keys
+description: >
+ Map.prototype.keys.length value and descriptor.
+info: |
+ Map.prototype.keys ()
+
+ 17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ Map.prototype.keys.length, 0,
+ 'The value of `Map.prototype.keys.length` is `0`'
+);
+
+verifyNotEnumerable(Map.prototype.keys, 'length');
+verifyNotWritable(Map.prototype.keys, 'length');
+verifyConfigurable(Map.prototype.keys, 'length');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/keys/name.js b/js/src/tests/test262/built-ins/Map/prototype/keys/name.js
new file mode 100644
index 0000000000..ce3aa46661
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/keys/name.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.keys
+description: >
+ Map.prototype.keys.name value and descriptor.
+info: |
+ Map.prototype.keys ()
+
+ 17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ Map.prototype.keys.name, 'keys',
+ 'The value of `Map.prototype.keys.name` is `"keys"`'
+);
+
+verifyNotEnumerable(Map.prototype.keys, 'name');
+verifyNotWritable(Map.prototype.keys, 'name');
+verifyConfigurable(Map.prototype.keys, 'name');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/keys/not-a-constructor.js b/js/src/tests/test262/built-ins/Map/prototype/keys/not-a-constructor.js
new file mode 100644
index 0000000000..be9835b84e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/keys/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+ Map.prototype.keys does not implement [[Construct]], is not new-able
+info: |
+ ECMAScript Function Objects
+
+ Built-in function objects that are not identified as constructors do not
+ implement the [[Construct]] internal method unless otherwise specified in
+ the description of a particular function.
+
+ sec-evaluatenew
+
+ ...
+ 7. If IsConstructor(constructor) is false, throw a TypeError exception.
+ ...
+includes: [isConstructor.js]
+features: [Reflect.construct, Map, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Map.prototype.keys), false, 'isConstructor(Map.prototype.keys) must return false');
+
+assert.throws(TypeError, () => {
+ let m = new Map(); new m.keys();
+}, '`let m = new Map(); new m.keys()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/keys/returns-iterator-empty.js b/js/src/tests/test262/built-ins/Map/prototype/keys/returns-iterator-empty.js
new file mode 100644
index 0000000000..d00763f142
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/keys/returns-iterator-empty.js
@@ -0,0 +1,29 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.keys
+description: >
+ Returns an iterator on an empty Map object.
+info: |
+ Map.prototype.keys ()
+
+ ...
+ 2. Return CreateMapIterator(M, "key").
+
+ 23.1.5.1 CreateMapIterator Abstract Operation
+
+ ...
+ 7. Return iterator.
+---*/
+
+var map = new Map();
+var iterator = map.keys();
+var result = iterator.next();
+
+assert.sameValue(
+ result.value, undefined,
+ 'The value of `result.value` is `undefined`'
+);
+assert.sameValue(result.done, true, 'The value of `result.done` is `true`');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/keys/returns-iterator.js b/js/src/tests/test262/built-ins/Map/prototype/keys/returns-iterator.js
new file mode 100644
index 0000000000..4fbcff7d21
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/keys/returns-iterator.js
@@ -0,0 +1,52 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.keys
+description: >
+ Returns an iterator.
+info: |
+ Map.prototype.keys ( )
+
+ ...
+ 2. Return CreateMapIterator(M, "key").
+
+ 23.1.5.1 CreateMapIterator Abstract Operation
+
+ ...
+ 7. Return iterator.
+---*/
+
+var obj = {};
+var map = new Map();
+map.set('foo', 1);
+map.set(obj, 2);
+map.set(map, 3);
+
+var iterator = map.keys();
+var result;
+
+result = iterator.next();
+assert.sameValue(result.value, 'foo', 'First result `value` ("key")');
+assert.sameValue(result.done, false, 'First result `done` flag');
+
+result = iterator.next();
+assert.sameValue(result.value, obj, 'Second result `value` ("key")');
+assert.sameValue(result.done, false, 'Second result `done` flag');
+
+result = iterator.next();
+assert.sameValue(result.value, map, 'Third result `value` ("key")');
+assert.sameValue(result.done, false, 'Third result `done` flag');
+
+result = iterator.next();
+assert.sameValue(result.value, undefined, 'Exhausted result `value`');
+assert.sameValue(result.done, true, 'Exhausted result `done` flag');
+
+result = iterator.next();
+assert.sameValue(
+ result.value, undefined, 'Exhausted result `value` (repeated request)'
+);
+assert.sameValue(
+ result.done, true, 'Exhausted result `done` flag (repeated request)'
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/keys/shell.js b/js/src/tests/test262/built-ins/Map/prototype/keys/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/keys/shell.js
diff --git a/js/src/tests/test262/built-ins/Map/prototype/keys/this-not-object-throw.js b/js/src/tests/test262/built-ins/Map/prototype/keys/this-not-object-throw.js
new file mode 100644
index 0000000000..14fc88245d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/keys/this-not-object-throw.js
@@ -0,0 +1,49 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.keys
+description: >
+ Throws a TypeError if `this` is not an Object.
+info: |
+ Map.prototype.keys ()
+
+ ...
+ 2. Return CreateMapIterator(M, "key").
+
+ 23.1.5.1 CreateMapIterator Abstract Operation
+
+ 1. If Type(map) is not Object, throw a TypeError exception.
+ ...
+features: [Symbol]
+---*/
+
+assert.throws(TypeError, function() {
+ Map.prototype.keys.call(false);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.keys.call(1);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.keys.call('');
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.keys.call(undefined);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.keys.call(null);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.keys.call(Symbol());
+});
+
+assert.throws(TypeError, function() {
+ var map = new Map();
+ map.keys.call(false);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/set/append-new-values-normalizes-zero-key.js b/js/src/tests/test262/built-ins/Map/prototype/set/append-new-values-normalizes-zero-key.js
new file mode 100644
index 0000000000..55122ae9ad
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/set/append-new-values-normalizes-zero-key.js
@@ -0,0 +1,27 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.set
+description: >
+ Appends new value in the map normalizing +0 and -0.
+info: |
+ Map.prototype.set ( key , value )
+
+ ...
+ 6. If key is −0, let key be +0.
+ 7. Let p be the Record {[[key]]: key, [[value]]: value}.
+ 8. Append p as the last element of entries.
+ 9. Return M.
+ ...
+---*/
+
+var map = new Map();
+map.set(-0, 42);
+
+assert.sameValue(map.get(0), 42);
+
+map = new Map();
+map.set(+0, 43);
+assert.sameValue(map.get(0), 43);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/set/append-new-values-return-map.js b/js/src/tests/test262/built-ins/Map/prototype/set/append-new-values-return-map.js
new file mode 100644
index 0000000000..a7c2008bab
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/set/append-new-values-return-map.js
@@ -0,0 +1,32 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.set
+description: >
+ Map.prototype.set returns the given `this` object.
+info: |
+ Map.prototype.set ( key , value )
+
+ ...
+ 6. If key is −0, let key be +0.
+ 7. Let p be the Record {[[key]]: key, [[value]]: value}.
+ 8. Append p as the last element of entries.
+ 9. Return M.
+ ...
+---*/
+
+var map = new Map();
+var result = map.set(1, 1);
+
+assert.sameValue(result, map);
+
+result = map.set(1,1).set(2,2).set(3,3);
+
+assert.sameValue(result, map, 'Map.prototype.set is chainable');
+
+var map2 = new Map();
+result = map2.set.call(map, 4, 4);
+
+assert.sameValue(result, map);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/set/append-new-values.js b/js/src/tests/test262/built-ins/Map/prototype/set/append-new-values.js
new file mode 100644
index 0000000000..f567db5d72
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/set/append-new-values.js
@@ -0,0 +1,49 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.set
+description: >
+ Append a new value as the last element of entries.
+info: |
+ Map.prototype.set ( key , value )
+
+ ...
+ 6. If key is −0, let key be +0.
+ 7. Let p be the Record {[[key]]: key, [[value]]: value}.
+ 8. Append p as the last element of entries.
+ 9. Return M.
+ ...
+features: [Symbol]
+---*/
+
+var s = Symbol(2);
+var map = new Map([[4, 4], ['foo3', 3], [s, 2]]);
+
+map.set(null, 42);
+map.set(1, 'valid');
+
+assert.sameValue(map.size, 5);
+assert.sameValue(map.get(1), 'valid');
+
+var results = [];
+
+map.forEach(function(value, key) {
+ results.push({
+ value: value,
+ key: key
+ });
+});
+
+var result = results.pop();
+assert.sameValue(result.value, 'valid');
+assert.sameValue(result.key, 1);
+
+result = results.pop();
+assert.sameValue(result.value, 42);
+assert.sameValue(result.key, null);
+
+result = results.pop();
+assert.sameValue(result.value, 2);
+assert.sameValue(result.key, s);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/set/browser.js b/js/src/tests/test262/built-ins/Map/prototype/set/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/set/browser.js
diff --git a/js/src/tests/test262/built-ins/Map/prototype/set/does-not-have-mapdata-internal-slot-set.js b/js/src/tests/test262/built-ins/Map/prototype/set/does-not-have-mapdata-internal-slot-set.js
new file mode 100644
index 0000000000..9a80c6f6cf
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/set/does-not-have-mapdata-internal-slot-set.js
@@ -0,0 +1,26 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.set
+description: >
+ Throws a TypeError if `this` is a Set object.
+info: |
+ Map.prototype.set ( key , value )
+
+ ...
+ 3. If M does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+features: [Set]
+---*/
+
+assert.throws(TypeError, function() {
+ Map.prototype.set.call(new Set(), 1, 1);
+});
+
+assert.throws(TypeError, function() {
+ var m = new Map();
+ m.set.call(new Set(), 1, 1);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/set/does-not-have-mapdata-internal-slot-weakmap.js b/js/src/tests/test262/built-ins/Map/prototype/set/does-not-have-mapdata-internal-slot-weakmap.js
new file mode 100644
index 0000000000..cbabc7bab1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/set/does-not-have-mapdata-internal-slot-weakmap.js
@@ -0,0 +1,26 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.set
+description: >
+ Throws a TypeError if `this` is a WeakMap object.
+info: |
+ Map.prototype.set ( key , value )
+
+ ...
+ 3. If M does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+features: [WeakMap]
+---*/
+
+assert.throws(TypeError, function() {
+ Map.prototype.set.call(new WeakMap(), 1, 1);
+});
+
+assert.throws(TypeError, function() {
+ var m = new Map();
+ m.set.call(new WeakMap(), 1, 1);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/set/does-not-have-mapdata-internal-slot.js b/js/src/tests/test262/built-ins/Map/prototype/set/does-not-have-mapdata-internal-slot.js
new file mode 100644
index 0000000000..ff591840b3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/set/does-not-have-mapdata-internal-slot.js
@@ -0,0 +1,34 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.set
+description: >
+ Throws a TypeError if `this` object does not have a [[MapData]] internal slot.
+info: |
+ Map.prototype.set ( key , value )
+
+ ...
+ 3. If M does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+---*/
+
+var m = new Map();
+
+assert.throws(TypeError, function() {
+ Map.prototype.set.call([], 1, 1);
+});
+
+assert.throws(TypeError, function() {
+ m.set.call([], 1, 1);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.set.call({}, 1, 1);
+});
+
+assert.throws(TypeError, function() {
+ m.set.call({}, 1, 1);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/set/length.js b/js/src/tests/test262/built-ins/Map/prototype/set/length.js
new file mode 100644
index 0000000000..939b633c34
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/set/length.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.set
+description: >
+ Map.prototype.set.length value and descriptor.
+info: |
+ Map.prototype.set ( key , value )
+
+ 17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ Map.prototype.set.length, 2,
+ 'The value of `Map.prototype.set.length` is `2`'
+);
+
+verifyNotEnumerable(Map.prototype.set, 'length');
+verifyNotWritable(Map.prototype.set, 'length');
+verifyConfigurable(Map.prototype.set, 'length');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/set/name.js b/js/src/tests/test262/built-ins/Map/prototype/set/name.js
new file mode 100644
index 0000000000..7c0b83f696
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/set/name.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.set
+description: >
+ Map.prototype.set.name value and descriptor.
+info: |
+ Map.prototype.set ( key , value )
+
+ 17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ Map.prototype.set.name, 'set',
+ 'The value of `Map.prototype.set.name` is `"set"`'
+);
+
+verifyNotEnumerable(Map.prototype.set, 'name');
+verifyNotWritable(Map.prototype.set, 'name');
+verifyConfigurable(Map.prototype.set, 'name');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/set/not-a-constructor.js b/js/src/tests/test262/built-ins/Map/prototype/set/not-a-constructor.js
new file mode 100644
index 0000000000..2880254c25
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/set/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+ Map.prototype.set does not implement [[Construct]], is not new-able
+info: |
+ ECMAScript Function Objects
+
+ Built-in function objects that are not identified as constructors do not
+ implement the [[Construct]] internal method unless otherwise specified in
+ the description of a particular function.
+
+ sec-evaluatenew
+
+ ...
+ 7. If IsConstructor(constructor) is false, throw a TypeError exception.
+ ...
+includes: [isConstructor.js]
+features: [Reflect.construct, Map, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Map.prototype.set), false, 'isConstructor(Map.prototype.set) must return false');
+
+assert.throws(TypeError, () => {
+ let m = new Map(); new m.set();
+}, '`let m = new Map(); new m.set()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/set/replaces-a-value-normalizes-zero-key.js b/js/src/tests/test262/built-ins/Map/prototype/set/replaces-a-value-normalizes-zero-key.js
new file mode 100644
index 0000000000..6c4b708a16
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/set/replaces-a-value-normalizes-zero-key.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.set
+description: >
+ Replaces a value in the map normalizing +0 and -0.
+info: |
+ Map.prototype.set ( key , value )
+
+ ...
+ 5. Repeat for each Record {[[key]], [[value]]} p that is an element of
+ entries,
+ a. If p.[[key]] is not empty and SameValueZero(p.[[key]], key) is true, then
+ i. Set p.[[value]] to value.
+ ii. Return M.
+ ...
+---*/
+
+var map = new Map([[+0, 1]]);
+
+map.set(-0, 42);
+assert.sameValue(map.get(+0), 42, 'zero key is normalized in SameValueZero');
+
+map = new Map([[-0, 1]]);
+map.set(+0, 42);
+assert.sameValue(map.get(-0), 42, 'zero key is normalized in SameValueZero');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/set/replaces-a-value-returns-map.js b/js/src/tests/test262/built-ins/Map/prototype/set/replaces-a-value-returns-map.js
new file mode 100644
index 0000000000..b7f0e18909
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/set/replaces-a-value-returns-map.js
@@ -0,0 +1,32 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.set
+description: >
+ Map.prototype.set returns the given `this` map object.
+info: |
+ Map.prototype.set ( key , value )
+
+ 1. Let M be the this value.
+ ...
+ 5. Repeat for each Record {[[key]], [[value]]} p that is an element of
+ entries,
+ a. If p.[[key]] is not empty and SameValueZero(p.[[key]], key) is true, then
+ i. Set p.[[value]] to value.
+ ii. Return M.
+ ...
+---*/
+
+var map = new Map([['item', 0]]);
+var map2 = new Map();
+
+var x = map.set('item', 42);
+assert.sameValue(x, map);
+
+x = Map.prototype.set.call(map, 'item', 0);
+assert.sameValue(x, map);
+
+x = map2.set.call(map, 'item', 0);
+assert.sameValue(x, map, 'Map#set returns the map `this` value');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/set/replaces-a-value.js b/js/src/tests/test262/built-ins/Map/prototype/set/replaces-a-value.js
new file mode 100644
index 0000000000..9fe4e95c3f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/set/replaces-a-value.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.set
+description: >
+ Replaces a value in the map.
+info: |
+ Map.prototype.set ( key , value )
+
+ ...
+ 5. Repeat for each Record {[[key]], [[value]]} p that is an element of
+ entries,
+ a. If p.[[key]] is not empty and SameValueZero(p.[[key]], key) is true, then
+ i. Set p.[[value]] to value.
+ ii. Return M.
+ ...
+---*/
+
+var m = new Map([['item', 1]]);
+
+m.set('item', 42);
+assert.sameValue(m.get('item'), 42);
+assert.sameValue(m.size, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/set/set.js b/js/src/tests/test262/built-ins/Map/prototype/set/set.js
new file mode 100644
index 0000000000..f8a12db779
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/set/set.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.set
+description: >
+ Property type and descriptor.
+info: |
+ Map.prototype.set ( key , value )
+
+ 17 ECMAScript Standard Built-in Objects
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ typeof Map.prototype.set,
+ 'function',
+ '`typeof Map.prototype.set` is `function`'
+);
+
+verifyNotEnumerable(Map.prototype, 'set');
+verifyWritable(Map.prototype, 'set');
+verifyConfigurable(Map.prototype, 'set');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/set/shell.js b/js/src/tests/test262/built-ins/Map/prototype/set/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/set/shell.js
diff --git a/js/src/tests/test262/built-ins/Map/prototype/set/this-not-object-throw.js b/js/src/tests/test262/built-ins/Map/prototype/set/this-not-object-throw.js
new file mode 100644
index 0000000000..7f42b3e5ef
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/set/this-not-object-throw.js
@@ -0,0 +1,45 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.set
+description: >
+ Throws a TypeError if `this` is not an Object.
+info: |
+ Map.prototype.set ( key , value )
+
+ 1. Let M be the this value.
+ 2. If Type(M) is not Object, throw a TypeError exception.
+ ...
+features: [Symbol]
+---*/
+
+assert.throws(TypeError, function() {
+ Map.prototype.set.call(false, 1, 1);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.set.call(1, 1, 1);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.set.call('', 1, 1);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.set.call(undefined, 1, 1);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.set.call(null, 1, 1);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.set.call(Symbol(), 1, 1);
+});
+
+assert.throws(TypeError, function() {
+ var map = new Map();
+ map.set.call(false, 1, 1);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/shell.js b/js/src/tests/test262/built-ins/Map/prototype/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/shell.js
diff --git a/js/src/tests/test262/built-ins/Map/prototype/size/browser.js b/js/src/tests/test262/built-ins/Map/prototype/size/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/size/browser.js
diff --git a/js/src/tests/test262/built-ins/Map/prototype/size/does-not-have-mapdata-internal-slot-set.js b/js/src/tests/test262/built-ins/Map/prototype/size/does-not-have-mapdata-internal-slot-set.js
new file mode 100644
index 0000000000..228d8068ba
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/size/does-not-have-mapdata-internal-slot-set.js
@@ -0,0 +1,26 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-get-map.prototype.size
+description: >
+ Throws a TypeError if `this` is a Set object.
+info: |
+ ...
+ If M does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+features: [Set]
+---*/
+
+var descriptor = Object.getOwnPropertyDescriptor(Map.prototype, 'size');
+
+var map = new Map();
+
+// Does not throw
+descriptor.get.call(map);
+
+assert.throws(TypeError, function() {
+ descriptor.get.call(new Set());
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/size/does-not-have-mapdata-internal-slot-weakmap.js b/js/src/tests/test262/built-ins/Map/prototype/size/does-not-have-mapdata-internal-slot-weakmap.js
new file mode 100644
index 0000000000..a2385ada8c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/size/does-not-have-mapdata-internal-slot-weakmap.js
@@ -0,0 +1,29 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-get-map.prototype.size
+description: >
+ Throws a TypeError if `this` is a WeakMap object.
+info: |
+ get Map.prototype.size
+
+ 1. Let M be the this value.
+ 2. If Type(M) is not Object, throw a TypeError exception.
+ 3. If M does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+features: [WeakMap]
+---*/
+
+var descriptor = Object.getOwnPropertyDescriptor(Map.prototype, 'size');
+
+var map = new Map();
+
+// Does not throw
+descriptor.get.call(map);
+
+assert.throws(TypeError, function() {
+ descriptor.get.call(new WeakMap());
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/size/does-not-have-mapdata-internal-slot.js b/js/src/tests/test262/built-ins/Map/prototype/size/does-not-have-mapdata-internal-slot.js
new file mode 100644
index 0000000000..00ba29073d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/size/does-not-have-mapdata-internal-slot.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-get-map.prototype.size
+description: >
+ Throws a TypeError if `this` object does not have a [[MapData]] internal slot.
+info: |
+ get Map.prototype.size
+
+ 1. Let M be the this value.
+ 2. If Type(M) is not Object, throw a TypeError exception.
+ 3. If M does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+---*/
+
+var descriptor = Object.getOwnPropertyDescriptor(Map.prototype, 'size');
+
+var map = new Map();
+
+// Does not throw
+descriptor.get.call(map);
+
+assert.throws(TypeError, function() {
+ descriptor.get.call([]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/size/length.js b/js/src/tests/test262/built-ins/Map/prototype/size/length.js
new file mode 100644
index 0000000000..b3812e1ec6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/size/length.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-get-map.prototype.size
+description: >
+ Map.prototype.size.length value and descriptor.
+info: |
+ get Map.prototype.size
+
+ 17 ECMAScript Standard Built-in Objects
+includes: [propertyHelper.js]
+---*/
+
+var descriptor = Object.getOwnPropertyDescriptor(Map.prototype, 'size');
+
+assert.sameValue(
+ descriptor.get.length, 0,
+ 'The value of `Map.prototype.size.length` is `0`'
+);
+
+verifyNotEnumerable(descriptor.get, 'length');
+verifyNotWritable(descriptor.get, 'length');
+verifyConfigurable(descriptor.get, 'length');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/size/name.js b/js/src/tests/test262/built-ins/Map/prototype/size/name.js
new file mode 100644
index 0000000000..596e1a23c5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/size/name.js
@@ -0,0 +1,29 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-get-map.prototype.size
+description: >
+ Map.prototype.size.name value and descriptor.
+info: |
+ get Map.prototype.size
+
+ 17 ECMAScript Standard Built-in Objects
+
+ Functions that are specified as get or set accessor functions of built-in
+ properties have "get " or "set " prepended to the property name string.
+
+includes: [propertyHelper.js]
+---*/
+
+var descriptor = Object.getOwnPropertyDescriptor(Map.prototype, 'size');
+
+assert.sameValue(descriptor.get.name,
+ 'get size',
+ 'The value of `descriptor.get.name` is `get size`'
+);
+
+verifyNotEnumerable(descriptor.get, 'name');
+verifyNotWritable(descriptor.get, 'name');
+verifyConfigurable(descriptor.get, 'name');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/size/returns-count-of-present-values-before-after-set-clear.js b/js/src/tests/test262/built-ins/Map/prototype/size/returns-count-of-present-values-before-after-set-clear.js
new file mode 100644
index 0000000000..94316f9055
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/size/returns-count-of-present-values-before-after-set-clear.js
@@ -0,0 +1,32 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-get-map.prototype.size
+description: >
+ Returns count of present values before and after using `set` and `clear`.
+info: |
+ get Map.prototype.size
+
+ 5. Let count be 0.
+ 6. For each Record {[[key]], [[value]]} p that is an element of entries
+ a. If p.[[key]] is not empty, set count to count+1.
+---*/
+
+var map = new Map();
+
+assert.sameValue(map.size, 0, 'The value of `map.size` is `0`');
+
+map.set(1, 1);
+map.set(2, 2);
+assert.sameValue(
+ map.size, 2,
+ 'The value of `map.size` is `2`'
+);
+
+map.clear();
+assert.sameValue(
+ map.size, 0,
+ 'The value of `map.size` is `0`, after executing `map.clear()`'
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/size/returns-count-of-present-values-before-after-set-delete.js b/js/src/tests/test262/built-ins/Map/prototype/size/returns-count-of-present-values-before-after-set-delete.js
new file mode 100644
index 0000000000..3903b44033
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/size/returns-count-of-present-values-before-after-set-delete.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-get-map.prototype.size
+description: >
+ Returns count of present values before and after using `set` and `delete`.
+info: |
+ get Map.prototype.size
+
+ 5. Let count be 0.
+ 6. For each Record {[[key]], [[value]]} p that is an element of entries
+ a. If p.[[key]] is not empty, set count to count+1.
+---*/
+
+var map = new Map();
+
+assert.sameValue(map.size, 0, 'The value of `map.size` is `0`');
+
+map.set(1, 1);
+assert.sameValue(
+ map.size, 1,
+ 'The value of `map.size` is `1`, after executing `map.set(1, 1)`'
+);
+
+map.delete(1);
+assert.sameValue(
+ map.size, 0,
+ 'The value of `map.size` is `0`, after executing `map.delete(1)`'
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/size/returns-count-of-present-values-by-insertion.js b/js/src/tests/test262/built-ins/Map/prototype/size/returns-count-of-present-values-by-insertion.js
new file mode 100644
index 0000000000..f8dcb3497b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/size/returns-count-of-present-values-by-insertion.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-get-map.prototype.size
+description: >
+ Returns count of present values inserted with set.
+info: |
+ get Map.prototype.size
+
+ 5. Let count be 0.
+ 6. For each Record {[[key]], [[value]]} p that is an element of entries
+ a. If p.[[key]] is not empty, set count to count+1.
+features: [Symbol]
+---*/
+
+var map = new Map();
+
+map.set(0, undefined);
+map.set(undefined, undefined);
+map.set(false, undefined);
+map.set(NaN, undefined);
+map.set(null, undefined);
+map.set('', undefined);
+map.set(Symbol(), undefined);
+
+assert.sameValue(map.size, 7, 'The value of `map.size` is `7`');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/size/returns-count-of-present-values-by-iterable.js b/js/src/tests/test262/built-ins/Map/prototype/size/returns-count-of-present-values-by-iterable.js
new file mode 100644
index 0000000000..f8ca96cf0b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/size/returns-count-of-present-values-by-iterable.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-get-map.prototype.size
+description: >
+ Returns count of present values inserted via iterable argument.
+info: |
+ get Map.prototype.size
+
+ 5. Let count be 0.
+ 6. For each Record {[[key]], [[value]]} p that is an element of entries
+ a. If p.[[key]] is not empty, set count to count+1.
+features: [Symbol]
+---*/
+
+var map = new Map([
+ [0, undefined],
+ [undefined, undefined],
+ [false, undefined],
+ [NaN, undefined],
+ [null, undefined],
+ ['', undefined],
+ [Symbol(), undefined],
+]);
+
+assert.sameValue(map.size, 7, 'The value of `map.size` is `7`');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/size/shell.js b/js/src/tests/test262/built-ins/Map/prototype/size/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/size/shell.js
diff --git a/js/src/tests/test262/built-ins/Map/prototype/size/size.js b/js/src/tests/test262/built-ins/Map/prototype/size/size.js
new file mode 100644
index 0000000000..c13c0c58ac
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/size/size.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-get-map.prototype.size
+description: >
+ Property type and descriptor.
+info: |
+ get Map.prototype.size
+
+ 17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+var descriptor = Object.getOwnPropertyDescriptor(Map.prototype, 'size');
+
+assert.sameValue(
+ typeof descriptor.get,
+ 'function',
+ 'typeof descriptor.get is function'
+);
+assert.sameValue(
+ typeof descriptor.set,
+ 'undefined',
+ 'typeof descriptor.set is undefined'
+);
+
+verifyNotEnumerable(Map.prototype, 'size');
+verifyConfigurable(Map.prototype, 'size');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/size/this-not-object-throw.js b/js/src/tests/test262/built-ins/Map/prototype/size/this-not-object-throw.js
new file mode 100644
index 0000000000..aa1f911dbc
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/size/this-not-object-throw.js
@@ -0,0 +1,49 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-get-map.prototype.size
+description: >
+ Throws a TypeError if `this` is not an Object.
+info: |
+ get Map.prototype.size
+
+ 1. Let M be the this value.
+ 2. If Type(M) is not Object, throw a TypeError exception.
+ 3. If M does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+
+features: [Symbol]
+---*/
+
+var descriptor = Object.getOwnPropertyDescriptor(Map.prototype, 'size');
+
+assert.throws(TypeError, function() {
+ descriptor.get.call(1);
+});
+
+assert.throws(TypeError, function() {
+ descriptor.get.call(false);
+});
+
+assert.throws(TypeError, function() {
+ descriptor.get.call(1);
+});
+
+assert.throws(TypeError, function() {
+ descriptor.get.call('');
+});
+
+assert.throws(TypeError, function() {
+ descriptor.get.call(undefined);
+});
+
+assert.throws(TypeError, function() {
+ descriptor.get.call(null);
+});
+
+assert.throws(TypeError, function() {
+ descriptor.get.call(Symbol());
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/values/browser.js b/js/src/tests/test262/built-ins/Map/prototype/values/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/values/browser.js
diff --git a/js/src/tests/test262/built-ins/Map/prototype/values/does-not-have-mapdata-internal-slot-set.js b/js/src/tests/test262/built-ins/Map/prototype/values/does-not-have-mapdata-internal-slot-set.js
new file mode 100644
index 0000000000..489e6b7331
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/values/does-not-have-mapdata-internal-slot-set.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.values
+description: >
+ Throws a TypeError if `this` is a Set object.
+info: |
+ Map.prototype.values ()
+
+ 1. Let M be the this value.
+ 2. Return CreateMapIterator(M, "value").
+
+ 23.1.5.1 CreateMapIterator Abstract Operation
+
+ ...
+ 2. If map does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+features: [Set]
+---*/
+
+assert.throws(TypeError, function() {
+ Map.prototype.values.call(new Set());
+});
+
+assert.throws(TypeError, function() {
+ var m = new Map();
+ m.values.call(new Set());
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/values/does-not-have-mapdata-internal-slot-weakmap.js b/js/src/tests/test262/built-ins/Map/prototype/values/does-not-have-mapdata-internal-slot-weakmap.js
new file mode 100644
index 0000000000..82f02364b6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/values/does-not-have-mapdata-internal-slot-weakmap.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.values
+description: >
+ Throws a TypeError if `this` is a WeakMap object.
+info: |
+ Map.prototype.values ()
+
+ 1. Let M be the this value.
+ 2. Return CreateMapIterator(M, "value").
+
+ 23.1.5.1 CreateMapIterator Abstract Operation
+
+ ...
+ 2. If map does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+features: [WeakMap]
+---*/
+
+assert.throws(TypeError, function() {
+ Map.prototype.values.call(new WeakMap());
+});
+
+assert.throws(TypeError, function() {
+ var m = new Map();
+ m.values.call(new WeakMap());
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/values/does-not-have-mapdata-internal-slot.js b/js/src/tests/test262/built-ins/Map/prototype/values/does-not-have-mapdata-internal-slot.js
new file mode 100644
index 0000000000..65ea9ca971
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/values/does-not-have-mapdata-internal-slot.js
@@ -0,0 +1,40 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.values
+description: >
+ Throws a TypeError if `this` object does not have a [[MapData]] internal slot.
+info: |
+ Map.prototype.values ()
+
+ 1. Let M be the this value.
+ 2. Return CreateMapIterator(M, "value").
+
+ 23.1.5.1 CreateMapIterator Abstract Operation
+
+ ...
+ 2. If map does not have a [[MapData]] internal slot, throw a TypeError
+ exception.
+ ...
+
+---*/
+
+var m = new Map();
+
+assert.throws(TypeError, function() {
+ Map.prototype.values.call([]);
+});
+
+assert.throws(TypeError, function() {
+ m.values.call([]);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.values.call({});
+});
+
+assert.throws(TypeError, function() {
+ m.values.call({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/values/length.js b/js/src/tests/test262/built-ins/Map/prototype/values/length.js
new file mode 100644
index 0000000000..304cdd7983
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/values/length.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.values
+description: >
+ Map.prototype.values.length value and descriptor.
+info: |
+ Map.prototype.values ()
+
+ 17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ Map.prototype.values.length, 0,
+ 'The value of `Map.prototype.values.length` is `0`'
+);
+
+verifyNotEnumerable(Map.prototype.values, 'length');
+verifyNotWritable(Map.prototype.values, 'length');
+verifyConfigurable(Map.prototype.values, 'length');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/values/name.js b/js/src/tests/test262/built-ins/Map/prototype/values/name.js
new file mode 100644
index 0000000000..03827d01f3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/values/name.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.values
+description: >
+ Map.prototype.values.name value and descriptor.
+info: |
+ Map.prototype.values ()
+
+ 17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ Map.prototype.values.name, 'values',
+ 'The value of `Map.prototype.values.name` is `"values"`'
+);
+
+verifyNotEnumerable(Map.prototype.values, 'name');
+verifyNotWritable(Map.prototype.values, 'name');
+verifyConfigurable(Map.prototype.values, 'name');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/values/not-a-constructor.js b/js/src/tests/test262/built-ins/Map/prototype/values/not-a-constructor.js
new file mode 100644
index 0000000000..0fd6e656d2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/values/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+ Map.prototype.values does not implement [[Construct]], is not new-able
+info: |
+ ECMAScript Function Objects
+
+ Built-in function objects that are not identified as constructors do not
+ implement the [[Construct]] internal method unless otherwise specified in
+ the description of a particular function.
+
+ sec-evaluatenew
+
+ ...
+ 7. If IsConstructor(constructor) is false, throw a TypeError exception.
+ ...
+includes: [isConstructor.js]
+features: [Reflect.construct, Map, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Map.prototype.values), false, 'isConstructor(Map.prototype.values) must return false');
+
+assert.throws(TypeError, () => {
+ let m = new Map(); new m.values();
+}, '`let m = new Map(); new m.values()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/values/returns-iterator-empty.js b/js/src/tests/test262/built-ins/Map/prototype/values/returns-iterator-empty.js
new file mode 100644
index 0000000000..990723ff87
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/values/returns-iterator-empty.js
@@ -0,0 +1,29 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.values
+description: >
+ Returns an iterator on an empty Map object.
+info: |
+ Map.prototype.values ()
+
+ ...
+ 2. Return CreateMapIterator(M, "value").
+
+ 23.1.5.1 CreateMapIterator Abstract Operation
+
+ ...
+ 7. Return iterator.
+---*/
+
+var map = new Map();
+var iterator = map.values();
+var result = iterator.next();
+
+assert.sameValue(
+ result.value, undefined,
+ 'The value of `result.value` is `undefined`'
+);
+assert.sameValue(result.done, true, 'The value of `result.done` is `true`');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/values/returns-iterator.js b/js/src/tests/test262/built-ins/Map/prototype/values/returns-iterator.js
new file mode 100644
index 0000000000..006b4975fc
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/values/returns-iterator.js
@@ -0,0 +1,52 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.values
+description: >
+ Returns an iterator.
+info: |
+ Map.prototype.values ( )
+
+ ...
+ 2. Return CreateMapIterator(M, "value").
+
+ 23.1.5.1 CreateMapIterator Abstract Operation
+
+ ...
+ 7. Return iterator.
+---*/
+
+var obj = {};
+var map = new Map();
+map.set(1, 'foo');
+map.set(2, obj);
+map.set(3, map);
+
+var iterator = map.values();
+var result;
+
+result = iterator.next();
+assert.sameValue(result.value, 'foo', 'First result `value` ("value")');
+assert.sameValue(result.done, false, 'First result `done` flag');
+
+result = iterator.next();
+assert.sameValue(result.value, obj, 'Second result `value` ("value")');
+assert.sameValue(result.done, false, 'Second result `done` flag');
+
+result = iterator.next();
+assert.sameValue(result.value, map, 'Third result `value` ("value")');
+assert.sameValue(result.done, false, 'Third result `done` flag');
+
+result = iterator.next();
+assert.sameValue(result.value, undefined, 'Exhausted result `value`');
+assert.sameValue(result.done, true, 'Exhausted result `done` flag');
+
+result = iterator.next();
+assert.sameValue(
+ result.value, undefined, 'Exhausted result `value` (repeated request)'
+);
+assert.sameValue(
+ result.done, true, 'Exhausted result `done` flag (repeated request)'
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/values/shell.js b/js/src/tests/test262/built-ins/Map/prototype/values/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/values/shell.js
diff --git a/js/src/tests/test262/built-ins/Map/prototype/values/this-not-object-throw.js b/js/src/tests/test262/built-ins/Map/prototype/values/this-not-object-throw.js
new file mode 100644
index 0000000000..372aec3a02
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/values/this-not-object-throw.js
@@ -0,0 +1,49 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.values
+description: >
+ Throws a TypeError if `this` is not an Object.
+info: |
+ Map.prototype.values ()
+
+ ...
+ 2. Return CreateMapIterator(M, "values").
+
+ 23.1.5.1 CreateMapIterator Abstract Operation
+
+ 1. If Type(map) is not Object, throw a TypeError exception.
+ ...
+features: [Symbol]
+---*/
+
+assert.throws(TypeError, function() {
+ Map.prototype.values.call(false);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.values.call(1);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.values.call('');
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.values.call(undefined);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.values.call(null);
+});
+
+assert.throws(TypeError, function() {
+ Map.prototype.values.call(Symbol());
+});
+
+assert.throws(TypeError, function() {
+ var map = new Map();
+ map.values.call(false);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/prototype/values/values.js b/js/src/tests/test262/built-ins/Map/prototype/values/values.js
new file mode 100644
index 0000000000..3ec0c35c6f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/values/values.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.values
+description: >
+ Property type and descriptor.
+info: |
+ Map.prototype.values ()
+
+ 17 ECMAScript Standard Built-in Objects
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ typeof Map.prototype.values,
+ 'function',
+ '`typeof Map.prototype.values` is `function`'
+);
+
+verifyNotEnumerable(Map.prototype, 'values');
+verifyWritable(Map.prototype, 'values');
+verifyConfigurable(Map.prototype, 'values');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/shell.js b/js/src/tests/test262/built-ins/Map/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+ Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+ if (typeof f !== "function") {
+ throw new Test262Error("isConstructor invoked with a non-function value");
+ }
+
+ try {
+ Reflect.construct(function(){}, [], f);
+ } catch (e) {
+ return false;
+ }
+ return true;
+}
diff --git a/js/src/tests/test262/built-ins/Map/undefined-newtarget.js b/js/src/tests/test262/built-ins/Map/undefined-newtarget.js
new file mode 100644
index 0000000000..94e6bd397a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/undefined-newtarget.js
@@ -0,0 +1,26 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map-iterable
+description: >
+ Throws a TypeError if Map is called without a newTarget.
+info: |
+ Map ( [ iterable ] )
+
+ When the Map function is called with optional argument the following steps
+ are taken:
+
+ 1. If NewTarget is undefined, throw a TypeError exception.
+ ...
+
+---*/
+
+assert.throws(TypeError, function() {
+ Map();
+});
+
+assert.throws(TypeError, function() {
+ Map([]);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Map/valid-keys.js b/js/src/tests/test262/built-ins/Map/valid-keys.js
new file mode 100644
index 0000000000..46ce265648
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/valid-keys.js
@@ -0,0 +1,486 @@
+// |reftest| skip-if(!this.hasOwnProperty('WeakRef')) -- WeakRef is not enabled unconditionally
+// Copyright (C) 2021 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.set
+description: Observing the expected behavior of valid keys
+info: |
+ Map.prototype.set ( key , value )
+
+ ...
+ Let p be the Record {[[key]]: key, [[value]]: value}.
+ Append p as the last element of entries.
+ ...
+
+features: [BigInt, Symbol, TypedArray, WeakRef, exponentiation]
+---*/
+
+
+const negativeZero = -0;
+const positiveZero = +0;
+const zero = 0;
+const one = 1;
+const twoRaisedToFiftyThreeMinusOne = 2 ** 53 - 1;
+const int32Array = new Int32Array([zero, one]);
+const uint32Array = new Uint32Array([zero, one]);
+const n = 100000000000000000000000000000000000000000000000000000000000000000000000000000000001n;
+const bigInt = BigInt('100000000000000000000000000000000000000000000000000000000000000000000000000000000001');
+const n1 = 1n;
+const n53 = 9007199254740991n;
+const fiftyThree = BigInt('9007199254740991');
+const bigInt64Array = new BigInt64Array([n1, n53]);
+const bigUint64Array = new BigUint64Array([n1, n53]);
+const symbol = Symbol('');
+const object = {};
+const array = {};
+const string = '';
+const booleanTrue = true;
+const booleanFalse = true;
+const functionExprValue = function() {};
+const arrowFunctionValue = () => {};
+const classValue = class {};
+const map = new Map();
+const set = new Set();
+const weakMap = new WeakMap();
+const weakRef = new WeakRef({});
+const weakSet = new WeakSet();
+const nullValue = null;
+const undefinedValue = undefined;
+let unassigned;
+
+{
+ const m = new Map([[negativeZero, negativeZero]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(negativeZero), true);
+ assert.sameValue(m.get(negativeZero), negativeZero);
+ m.delete(negativeZero);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(negativeZero), false);
+ m.set(negativeZero, negativeZero);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(negativeZero), true);
+ assert.sameValue(m.get(negativeZero), negativeZero);
+};
+
+{
+ const m = new Map([[positiveZero, positiveZero]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(positiveZero), true);
+ assert.sameValue(m.get(positiveZero), positiveZero);
+ m.delete(positiveZero);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(positiveZero), false);
+ m.set(positiveZero, positiveZero);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(positiveZero), true);
+ assert.sameValue(m.get(positiveZero), positiveZero);
+};
+
+{
+ const m = new Map([[zero, zero]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(zero), true);
+ assert.sameValue(m.get(zero), zero);
+ m.delete(zero);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(zero), false);
+ m.set(zero, zero);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(zero), true);
+ assert.sameValue(m.get(zero), zero);
+};
+
+{
+ const m = new Map([[one, one]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(one), true);
+ assert.sameValue(m.get(one), one);
+ m.delete(one);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(one), false);
+ m.set(one, one);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(one), true);
+ assert.sameValue(m.get(one), one);
+};
+
+{
+ const m = new Map([[twoRaisedToFiftyThreeMinusOne, twoRaisedToFiftyThreeMinusOne]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(twoRaisedToFiftyThreeMinusOne), true);
+ assert.sameValue(m.get(twoRaisedToFiftyThreeMinusOne), twoRaisedToFiftyThreeMinusOne);
+ m.delete(twoRaisedToFiftyThreeMinusOne);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(twoRaisedToFiftyThreeMinusOne), false);
+ m.set(twoRaisedToFiftyThreeMinusOne, twoRaisedToFiftyThreeMinusOne);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(twoRaisedToFiftyThreeMinusOne), true);
+ assert.sameValue(m.get(twoRaisedToFiftyThreeMinusOne), twoRaisedToFiftyThreeMinusOne);
+};
+
+{
+ const m = new Map([[int32Array, int32Array]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(int32Array), true);
+ assert.sameValue(m.get(int32Array), int32Array);
+ m.delete(int32Array);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(int32Array), false);
+ m.set(int32Array, int32Array);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(int32Array), true);
+ assert.sameValue(m.get(int32Array), int32Array);
+};
+
+{
+ const m = new Map([[uint32Array, uint32Array]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(uint32Array), true);
+ assert.sameValue(m.get(uint32Array), uint32Array);
+ m.delete(uint32Array);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(uint32Array), false);
+ m.set(uint32Array, uint32Array);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(uint32Array), true);
+ assert.sameValue(m.get(uint32Array), uint32Array);
+};
+
+{
+ const m = new Map([[n, n]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(n), true);
+ assert.sameValue(m.get(n), n);
+ m.delete(n);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(n), false);
+ m.set(n, n);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(n), true);
+ assert.sameValue(m.get(n), n);
+};
+
+{
+ const m = new Map([[bigInt, bigInt]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(bigInt), true);
+ assert.sameValue(m.get(bigInt), bigInt);
+ m.delete(bigInt);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(bigInt), false);
+ m.set(bigInt, bigInt);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(bigInt), true);
+ assert.sameValue(m.get(bigInt), bigInt);
+};
+
+{
+ const m = new Map([[n1, n1]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(n1), true);
+ assert.sameValue(m.get(n1), n1);
+ m.delete(n1);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(n1), false);
+ m.set(n1, n1);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(n1), true);
+ assert.sameValue(m.get(n1), n1);
+};
+
+{
+ const m = new Map([[n53, n53]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(n53), true);
+ assert.sameValue(m.get(n53), n53);
+ m.delete(n53);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(n53), false);
+ m.set(n53, n53);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(n53), true);
+ assert.sameValue(m.get(n53), n53);
+};
+
+{
+ const m = new Map([[fiftyThree, fiftyThree]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(fiftyThree), true);
+ assert.sameValue(m.get(fiftyThree), fiftyThree);
+ m.delete(fiftyThree);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(fiftyThree), false);
+ m.set(fiftyThree, fiftyThree);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(fiftyThree), true);
+ assert.sameValue(m.get(fiftyThree), fiftyThree);
+};
+
+{
+ const m = new Map([[bigInt64Array, bigInt64Array]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(bigInt64Array), true);
+ assert.sameValue(m.get(bigInt64Array), bigInt64Array);
+ m.delete(bigInt64Array);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(bigInt64Array), false);
+ m.set(bigInt64Array, bigInt64Array);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(bigInt64Array), true);
+ assert.sameValue(m.get(bigInt64Array), bigInt64Array);
+};
+
+{
+ const m = new Map([[bigUint64Array, bigUint64Array]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(bigUint64Array), true);
+ assert.sameValue(m.get(bigUint64Array), bigUint64Array);
+ m.delete(bigUint64Array);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(bigUint64Array), false);
+ m.set(bigUint64Array, bigUint64Array);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(bigUint64Array), true);
+ assert.sameValue(m.get(bigUint64Array), bigUint64Array);
+};
+
+{
+ const m = new Map([[symbol, symbol]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(symbol), true);
+ assert.sameValue(m.get(symbol), symbol);
+ m.delete(symbol);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(symbol), false);
+ m.set(symbol, symbol);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(symbol), true);
+ assert.sameValue(m.get(symbol), symbol);
+};
+
+{
+ const m = new Map([[object, object]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(object), true);
+ assert.sameValue(m.get(object), object);
+ m.delete(object);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(object), false);
+ m.set(object, object);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(object), true);
+ assert.sameValue(m.get(object), object);
+};
+
+{
+ const m = new Map([[array, array]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(array), true);
+ assert.sameValue(m.get(array), array);
+ m.delete(array);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(array), false);
+ m.set(array, array);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(array), true);
+ assert.sameValue(m.get(array), array);
+};
+
+{
+ const m = new Map([[string, string]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(string), true);
+ assert.sameValue(m.get(string), string);
+ m.delete(string);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(string), false);
+ m.set(string, string);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(string), true);
+ assert.sameValue(m.get(string), string);
+};
+
+{
+ const m = new Map([[booleanTrue, booleanTrue]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(booleanTrue), true);
+ assert.sameValue(m.get(booleanTrue), booleanTrue);
+ m.delete(booleanTrue);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(booleanTrue), false);
+ m.set(booleanTrue, booleanTrue);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(booleanTrue), true);
+ assert.sameValue(m.get(booleanTrue), booleanTrue);
+};
+
+{
+ const m = new Map([[booleanFalse, booleanFalse]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(booleanFalse), true);
+ assert.sameValue(m.get(booleanFalse), booleanFalse);
+ m.delete(booleanFalse);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(booleanFalse), false);
+ m.set(booleanFalse, booleanFalse);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(booleanFalse), true);
+ assert.sameValue(m.get(booleanFalse), booleanFalse);
+};
+
+{
+ const m = new Map([[functionExprValue, functionExprValue]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(functionExprValue), true);
+ assert.sameValue(m.get(functionExprValue), functionExprValue);
+ m.delete(functionExprValue);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(functionExprValue), false);
+ m.set(functionExprValue, functionExprValue);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(functionExprValue), true);
+ assert.sameValue(m.get(functionExprValue), functionExprValue);
+};
+
+{
+ const m = new Map([[arrowFunctionValue, arrowFunctionValue]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(arrowFunctionValue), true);
+ assert.sameValue(m.get(arrowFunctionValue), arrowFunctionValue);
+ m.delete(arrowFunctionValue);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(arrowFunctionValue), false);
+ m.set(arrowFunctionValue, arrowFunctionValue);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(arrowFunctionValue), true);
+ assert.sameValue(m.get(arrowFunctionValue), arrowFunctionValue);
+};
+
+{
+ const m = new Map([[classValue, classValue]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(classValue), true);
+ assert.sameValue(m.get(classValue), classValue);
+ m.delete(classValue);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(classValue), false);
+ m.set(classValue, classValue);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(classValue), true);
+ assert.sameValue(m.get(classValue), classValue);
+};
+
+{
+ const m = new Map([[map, map]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(map), true);
+ assert.sameValue(m.get(map), map);
+ m.delete(map);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(map), false);
+ m.set(map, map);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(map), true);
+ assert.sameValue(m.get(map), map);
+};
+
+{
+ const m = new Map([[set, set]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(set), true);
+ assert.sameValue(m.get(set), set);
+ m.delete(set);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(set), false);
+ m.set(set, set);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(set), true);
+ assert.sameValue(m.get(set), set);
+};
+
+{
+ const m = new Map([[weakMap, weakMap]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(weakMap), true);
+ assert.sameValue(m.get(weakMap), weakMap);
+ m.delete(weakMap);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(weakMap), false);
+ m.set(weakMap, weakMap);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(weakMap), true);
+ assert.sameValue(m.get(weakMap), weakMap);
+};
+
+{
+ const m = new Map([[weakRef, weakRef]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(weakRef), true);
+ assert.sameValue(m.get(weakRef), weakRef);
+ m.delete(weakRef);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(weakRef), false);
+ m.set(weakRef, weakRef);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(weakRef), true);
+ assert.sameValue(m.get(weakRef), weakRef);
+};
+
+{
+ const m = new Map([[weakSet, weakSet]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(weakSet), true);
+ assert.sameValue(m.get(weakSet), weakSet);
+ m.delete(weakSet);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(weakSet), false);
+ m.set(weakSet, weakSet);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(weakSet), true);
+ assert.sameValue(m.get(weakSet), weakSet);
+};
+
+{
+ const m = new Map([[nullValue, nullValue]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(nullValue), true);
+ assert.sameValue(m.get(nullValue), nullValue);
+ m.delete(nullValue);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(nullValue), false);
+ m.set(nullValue, nullValue);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(nullValue), true);
+ assert.sameValue(m.get(nullValue), nullValue);
+};
+
+{
+ const m = new Map([[undefinedValue, undefinedValue]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(undefinedValue), true);
+ assert.sameValue(m.get(undefinedValue), undefinedValue);
+ m.delete(undefinedValue);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(undefinedValue), false);
+ m.set(undefinedValue, undefinedValue);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(undefinedValue), true);
+ assert.sameValue(m.get(undefinedValue), undefinedValue);
+};
+
+{
+ const m = new Map([[unassigned, unassigned]]);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(unassigned), true);
+ assert.sameValue(m.get(unassigned), unassigned);
+ m.delete(unassigned);
+ assert.sameValue(m.size, 0);
+ assert.sameValue(m.has(unassigned), false);
+ m.set(unassigned, unassigned);
+ assert.sameValue(m.size, 1);
+ assert.sameValue(m.has(unassigned), true);
+ assert.sameValue(m.get(unassigned), unassigned);
+};
+
+
+reportCompare(0, 0);