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-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/AsyncFunction.js18
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/AsyncGenerator.js19
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/Function.js14
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/GeneratorFunction.js16
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A10.js29
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A11.js20
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A12.js15
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A13.js15
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A14.js15
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A16.js21
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A6.js17
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A8.js28
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A9.js30
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/arrow-function.js18
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/async-arrow-function.js19
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/async-function-declaration.js16
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/async-function-expression.js18
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/async-generator-declaration.js15
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/async-generator-expression.js17
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/async-generator-method-class-expression-static.js20
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/async-generator-method-class-expression.js20
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/async-generator-method-class-statement-static.js24
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/async-generator-method-class-statement.js24
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/async-generator-method-object.js20
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/async-method-class-expression-static.js20
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/async-method-class-expression.js20
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/async-method-class-statement-static.js24
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/async-method-class-statement.js24
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/async-method-object.js21
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/bound-function.js19
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/browser.js0
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/built-in-function-object.js58
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/class-declaration-complex-heritage.js14
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/class-declaration-explicit-ctor.js16
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/class-declaration-implicit-ctor.js18
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/class-expression-explicit-ctor.js16
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/class-expression-implicit-ctor.js18
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/function-declaration-non-simple-parameter-list.js14
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/function-declaration.js14
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/function-expression.js16
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/generator-function-declaration.js14
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/generator-function-expression.js16
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/generator-method.js19
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/getter-class-expression-static.js19
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/getter-class-expression.js19
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/getter-class-statement-static.js23
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/getter-class-statement.js23
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/getter-object.js19
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/line-terminator-normalisation-CR-LF.js39
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/line-terminator-normalisation-CR.js2
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/line-terminator-normalisation-LF.js39
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/method-class-expression-static.js19
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/method-class-expression.js19
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/method-class-statement-static.js23
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/method-class-statement.js23
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/method-computed-property-name.js16
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/method-object.js14
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/name.js28
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/not-a-constructor.js39
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/private-method-class-expression.js19
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/private-method-class-statement.js20
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/private-static-method-class-expression.js19
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/private-static-method-class-statement.js19
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/proxy-arrow-function.js24
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/proxy-async-function.js24
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/proxy-async-generator-function.js24
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/proxy-async-generator-method-definition.js24
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/proxy-async-method-definition.js24
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/proxy-bound-function.js24
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/proxy-class.js24
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/proxy-function-expression.js24
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/proxy-generator-function.js24
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/proxy-method-definition.js24
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/proxy-non-callable-throws.js18
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/setter-class-expression-static.js19
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/setter-class-expression.js19
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/setter-class-statement-static.js23
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/setter-class-statement.js23
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/setter-object.js19
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/shell.js514
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/symbol-named-builtins.js13
-rw-r--r--js/src/tests/test262/built-ins/Function/prototype/toString/unicode.js17
82 files changed, 2175 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/AsyncFunction.js b/js/src/tests/test262/built-ins/Function/prototype/toString/AsyncFunction.js
new file mode 100644
index 0000000000..c896e92dfa
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/AsyncFunction.js
@@ -0,0 +1,18 @@
+// Copyright 2016 Microsoft, Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+author: Brian Terlson <brian.terlson@microsoft.com>
+esid: sec-function.prototype.tostring
+description: >
+ Function.prototype.toString on an async function created with the
+ AsyncFunction constructor.
+features: [async-functions]
+includes: [nativeFunctionMatcher.js]
+---*/
+async function f() {}
+var AsyncFunction = f.constructor;
+var g = /* before */AsyncFunction("a", " /* a */ b, c /* b */ //", "/* c */ ; /* d */ //")/* after */;
+assertToStringOrNativeFunction(g, "async function anonymous(a, /* a */ b, c /* b */ //\n) {\n/* c */ ; /* d */ //\n}");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/AsyncGenerator.js b/js/src/tests/test262/built-ins/Function/prototype/toString/AsyncGenerator.js
new file mode 100644
index 0000000000..5cd5dfb881
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/AsyncGenerator.js
@@ -0,0 +1,19 @@
+// Copyright 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-function.prototype.tostring
+description: >
+ Function.prototype.toString on an async generator created with the
+ AsyncGenerator constructor.
+features: [async-iteration]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+async function* f() {}
+var AsyncGenerator = f.constructor;
+
+var g = /* before */AsyncGenerator("a", " /* a */ b, c /* b */ //", "/* c */ ; /* d */ //")/* after */;
+assertToStringOrNativeFunction(g, "async function* anonymous(a, /* a */ b, c /* b */ //\n) {\n/* c */ ; /* d */ //\n}");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/Function.js b/js/src/tests/test262/built-ins/Function/prototype/toString/Function.js
new file mode 100644
index 0000000000..d95c4ac784
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/Function.js
@@ -0,0 +1,14 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-createdynamicfunction
+description: Function.prototype.toString on a function created with the Function constructor
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let f = /* before */Function("a", " /* a */ b, c /* b */ //", "/* c */ ; /* d */ //")/* after */;
+
+assertToStringOrNativeFunction(f, "function anonymous(a, /* a */ b, c /* b */ //\n) {\n/* c */ ; /* d */ //\n}");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/GeneratorFunction.js b/js/src/tests/test262/built-ins/Function/prototype/toString/GeneratorFunction.js
new file mode 100644
index 0000000000..eb6645d2a6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/GeneratorFunction.js
@@ -0,0 +1,16 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-createdynamicfunction
+description: Function.prototype.toString on a generator function created with the GeneratorFunction constructor
+features: [generators]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let GeneratorFunction = Object.getPrototypeOf(function*(){}).constructor;
+let g = /* before */GeneratorFunction("a", " /* a */ b, c /* b */ //", "/* c */ yield yield; /* d */ //")/* after */;
+
+assertToStringOrNativeFunction(g, "function* anonymous(a, /* a */ b, c /* b */ //\n) {\n/* c */ yield yield; /* d */ //\n}");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A10.js b/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A10.js
new file mode 100644
index 0000000000..66a078c52c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A10.js
@@ -0,0 +1,29 @@
+// Copyright 2009 the Sputnik authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: The Function.prototype.toString.length property has the attribute ReadOnly
+es5id: 15.3.4.2_A10
+description: >
+ Checking if varying the Function.prototype.toString.length
+ property fails
+includes: [propertyHelper.js]
+---*/
+assert(
+ Function.prototype.toString.hasOwnProperty('length'),
+ 'Function.prototype.toString.hasOwnProperty(\'length\') must return true'
+);
+
+var obj = Function.prototype.toString.length;
+
+verifyNotWritable(Function.prototype.toString, "length", null, function(){return "shifted";});
+
+assert.sameValue(
+ Function.prototype.toString.length,
+ obj,
+ 'The value of Function.prototype.toString.length is expected to equal the value of obj'
+);
+
+// TODO: Convert to verifyProperty() format.
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A11.js b/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A11.js
new file mode 100644
index 0000000000..380f72c93f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A11.js
@@ -0,0 +1,20 @@
+// Copyright 2009 the Sputnik authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: The length property of the toString method is 0
+es5id: 15.3.4.2_A11
+description: Checking Function.prototype.toString.length
+---*/
+assert(
+ Function.prototype.toString.hasOwnProperty("length"),
+ 'Function.prototype.toString.hasOwnProperty("length") must return true'
+);
+
+assert.sameValue(
+ Function.prototype.toString.length,
+ 0,
+ 'The value of Function.prototype.toString.length is expected to be 0'
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A12.js b/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A12.js
new file mode 100644
index 0000000000..854d7ee359
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A12.js
@@ -0,0 +1,15 @@
+// Copyright 2011 the Sputnik authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.3.4.2_A12
+description: >
+ The Function.prototype.toString function is not generic; it throws
+ a TypeError exception if its this value is not a callable object.
+---*/
+
+assert.throws(TypeError, function() {
+ Function.prototype.toString.call(undefined);
+}, 'Function.prototype.toString.call(undefined) throws a TypeError exception');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A13.js b/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A13.js
new file mode 100644
index 0000000000..59400e6d15
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A13.js
@@ -0,0 +1,15 @@
+// Copyright 2011 the Sputnik authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.3.4.2_A13
+description: >
+ The toString function is not generic; it throws a TypeError
+ exception if its this value is not a callable object.
+---*/
+
+assert.throws(TypeError, function() {
+ Function.prototype.toString.call(null);
+}, 'Function.prototype.toString.call(null) throws a TypeError exception');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A14.js b/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A14.js
new file mode 100644
index 0000000000..eabf5af568
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A14.js
@@ -0,0 +1,15 @@
+// Copyright 2011 the Sputnik authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.3.4.2_A14
+description: >
+ The toString function is not generic; it throws a TypeError
+ exception if its this value is not a callable object.
+---*/
+
+assert.throws(TypeError, function() {
+ Function.prototype.toString.call({});
+}, 'Function.prototype.toString.call({}) throws a TypeError exception');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A16.js b/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A16.js
new file mode 100644
index 0000000000..308b4ffbd4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A16.js
@@ -0,0 +1,21 @@
+// Copyright 2011 the Sputnik authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: |
+ The toString function is not generic; it throws a TypeError exception if
+ its this value is not a callable object.
+es5id: 15.3.4.2_A16
+description: >
+ The String constructor, given an object, should invoke that
+ object's toString method as a method, i.e., with its this value
+ bound to that object.
+---*/
+
+var obj = {toString: Function.prototype.toString};
+
+assert.throws(TypeError, function() {
+ String(obj);
+}, 'String(obj) throws a TypeError exception');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A6.js b/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A6.js
new file mode 100644
index 0000000000..8a6acb5b58
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A6.js
@@ -0,0 +1,17 @@
+// Copyright 2009 the Sputnik authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: Function.prototype.toString has not prototype property
+es5id: 15.3.4.2_A6
+description: >
+ Checking if obtaining the prototype property of
+ Function.prototype.toString fails
+---*/
+assert.sameValue(
+ Function.prototype.toString.prototype,
+ undefined,
+ 'The value of Function.prototype.toString.prototype is expected to equal undefined'
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A8.js b/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A8.js
new file mode 100644
index 0000000000..d8cf033e4d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A8.js
@@ -0,0 +1,28 @@
+// Copyright 2009 the Sputnik authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: The Function.prototype.toString.length property has the attribute DontEnum
+es5id: 15.3.4.2_A8
+description: >
+ Checking if enumerating the Function.prototype.toString.length
+ property fails
+---*/
+assert(
+ Function.prototype.toString.hasOwnProperty('length'),
+ 'Function.prototype.toString.hasOwnProperty(\'length\') must return true'
+);
+
+assert(
+ !Function.prototype.toString.propertyIsEnumerable('length'),
+ 'The value of !Function.prototype.toString.propertyIsEnumerable(\'length\') is expected to be true'
+);
+
+// CHECK#2
+for (var p in Function.prototype.toString){
+ assert.notSameValue(p, "length", 'The value of p is not "length"');
+}
+
+// TODO: Convert to verifyProperty() format.
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A9.js b/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A9.js
new file mode 100644
index 0000000000..5e2676e330
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A9.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: |
+ The Function.prototype.toString.length property does not have the
+ attribute DontDelete
+es5id: 15.3.4.2_A9
+description: >
+ Checking if deleting the Function.prototype.toString.length
+ property fails
+---*/
+assert(
+ Function.prototype.toString.hasOwnProperty('length'),
+ 'Function.prototype.toString.hasOwnProperty(\'length\') must return true'
+);
+
+assert(
+ delete Function.prototype.toString.length,
+ 'The value of delete Function.prototype.toString.length is expected to be true'
+);
+
+assert(
+ !Function.prototype.toString.hasOwnProperty('length'),
+ 'The value of !Function.prototype.toString.hasOwnProperty(\'length\') is expected to be true'
+);
+
+// TODO: Convert to verifyProperty() format.
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/arrow-function.js b/js/src/tests/test262/built-ins/Function/prototype/toString/arrow-function.js
new file mode 100644
index 0000000000..9b8b494938
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/arrow-function.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-arrow-function-definitions-runtime-semantics-evaluation
+description: Function.prototype.toString on an arrow function
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let f = /* before */( /* a */ a /* b */ , /* c */ b /* d */ ) /* e */ => /* f */ { /* g */ ; /* h */ }/* after */;
+let g = /* before */( /* a */ ) /* b */ => /* c */ 0/* after */;
+let h = /* before */a /* a */ => /* b */ 0/* after */;
+
+assertToStringOrNativeFunction(f, "( /* a */ a /* b */ , /* c */ b /* d */ ) /* e */ => /* f */ { /* g */ ; /* h */ }");
+assertToStringOrNativeFunction(g, "( /* a */ ) /* b */ => /* c */ 0");
+assertToStringOrNativeFunction(h, "a /* a */ => /* b */ 0");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/async-arrow-function.js b/js/src/tests/test262/built-ins/Function/prototype/toString/async-arrow-function.js
new file mode 100644
index 0000000000..02a1cae1ae
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/async-arrow-function.js
@@ -0,0 +1,19 @@
+// Copyright 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-async-arrow-function-definitions-runtime-semantics-evaluation
+description: Function.prototype.toString on an async arrow function
+features: [async-functions]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let f = /* before */async /* a */ ( /* b */ a /* c */ , /* d */ b /* e */ ) /* f */ => /* g */ { /* h */ ; /* i */ }/* after */;
+let g = /* before */async /* a */ ( /* b */ ) /* c */ => /* d */ 0/* after */;
+let h = /* before */async /* a */ a /* b */ => /* c */ 0/* after */;
+
+assertToStringOrNativeFunction(f, "async /* a */ ( /* b */ a /* c */ , /* d */ b /* e */ ) /* f */ => /* g */ { /* h */ ; /* i */ }");
+assertToStringOrNativeFunction(g, "async /* a */ ( /* b */ ) /* c */ => /* d */ 0");
+assertToStringOrNativeFunction(h, "async /* a */ a /* b */ => /* c */ 0");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/async-function-declaration.js b/js/src/tests/test262/built-ins/Function/prototype/toString/async-function-declaration.js
new file mode 100644
index 0000000000..04c0117c97
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/async-function-declaration.js
@@ -0,0 +1,16 @@
+// Copyright 2016 Microsoft, Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+author: Brian Terlson <brian.terlson@microsoft.com>
+esid: sec-function.prototype.tostring
+description: Function.prototype.toString on an async function declaration
+features: [async-functions]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+/* before */async function /* a */ f /* b */ ( /* c */ x /* d */ , /* e */ y /* f */ ) /* g */ { /* h */ ; /* i */ ; /* j */ }/* after */
+
+assertToStringOrNativeFunction(f, "async function /* a */ f /* b */ ( /* c */ x /* d */ , /* e */ y /* f */ ) /* g */ { /* h */ ; /* i */ ; /* j */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/async-function-expression.js b/js/src/tests/test262/built-ins/Function/prototype/toString/async-function-expression.js
new file mode 100644
index 0000000000..885da76754
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/async-function-expression.js
@@ -0,0 +1,18 @@
+// Copyright 2016 Microsoft, Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+author: Brian Terlson <brian.terlson@microsoft.com>
+esid: sec-function.prototype.tostring
+description: Function.prototype.toString on an async function expression
+features: [async-functions]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let f = /* before */async function /* a */ F /* b */ ( /* c */ x /* d */ , /* e */ y /* f */ ) /* g */ { /* h */ ; /* i */ ; /* j */ }/* after */;
+let g = /* before */async function /* a */ ( /* b */ x /* c */ , /* d */ y /* e */ ) /* f */ { /* g */ ; /* h */ ; /* i */ }/* after */;
+
+assertToStringOrNativeFunction(f, "async function /* a */ F /* b */ ( /* c */ x /* d */ , /* e */ y /* f */ ) /* g */ { /* h */ ; /* i */ ; /* j */ }");
+assertToStringOrNativeFunction(g, "async function /* a */ ( /* b */ x /* c */ , /* d */ y /* e */ ) /* f */ { /* g */ ; /* h */ ; /* i */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/async-generator-declaration.js b/js/src/tests/test262/built-ins/Function/prototype/toString/async-generator-declaration.js
new file mode 100644
index 0000000000..b58f45252f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/async-generator-declaration.js
@@ -0,0 +1,15 @@
+// Copyright 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-function.prototype.tostring
+description: Function.prototype.toString on an async generator declaration
+features: [async-iteration]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+/* before */async /* a */ function /* b */ * /* c */ f /* d */ ( /* e */ x /* f */ , /* g */ y /* h */ ) /* i */ { /* j */ ; /* k */ ; /* l */ }/* after */
+
+assertToStringOrNativeFunction(f, "async /* a */ function /* b */ * /* c */ f /* d */ ( /* e */ x /* f */ , /* g */ y /* h */ ) /* i */ { /* j */ ; /* k */ ; /* l */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/async-generator-expression.js b/js/src/tests/test262/built-ins/Function/prototype/toString/async-generator-expression.js
new file mode 100644
index 0000000000..565101ef21
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/async-generator-expression.js
@@ -0,0 +1,17 @@
+// Copyright 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-function.prototype.tostring
+description: Function.prototype.toString on an async generator expression
+features: [async-iteration]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let f = /* before */async /* a */ function /* b */ * /* c */ F /* d */ ( /* e */ x /* f */ , /* g */ y /* h */ ) /* i */ { /* j */ ; /* k */ ; /* l */ }/* after */;
+let g = /* before */async /* a */ function /* b */ * /* c */ ( /* d */ x /* e */ , /* f */ y /* g */ ) /* h */ { /* i */ ; /* j */ ; /* k */ }/* after */;
+
+assertToStringOrNativeFunction(f, "async /* a */ function /* b */ * /* c */ F /* d */ ( /* e */ x /* f */ , /* g */ y /* h */ ) /* i */ { /* j */ ; /* k */ ; /* l */ }");
+assertToStringOrNativeFunction(g, "async /* a */ function /* b */ * /* c */ ( /* d */ x /* e */ , /* f */ y /* g */ ) /* h */ { /* i */ ; /* j */ ; /* k */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/async-generator-method-class-expression-static.js b/js/src/tests/test262/built-ins/Function/prototype/toString/async-generator-method-class-expression-static.js
new file mode 100644
index 0000000000..0b1a253c8d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/async-generator-method-class-expression-static.js
@@ -0,0 +1,20 @@
+// Copyright 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-function.prototype.tostring
+description: Function.prototype.toString on an async generator method
+features: [async-iteration]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let x = "h";
+let f = class { static /* before */async /* a */ * /* b */ f /* c */ ( /* d */ ) /* e */ { /* f */ }/* after */ }.f;
+let g = class { static /* before */async /* a */ * /* b */ [ /* c */ "g" /* d */ ] /* e */ ( /* f */ ) /* g */ { /* h */ }/* after */ }.g;
+let h = class { static /* before */async /* a */ * /* b */ [ /* c */ x /* d */ ] /* e */ ( /* f */ ) /* g */ { /* h */ }/* after */ }.h;
+
+assertToStringOrNativeFunction(f, "async /* a */ * /* b */ f /* c */ ( /* d */ ) /* e */ { /* f */ }");
+assertToStringOrNativeFunction(g, "async /* a */ * /* b */ [ /* c */ \"g\" /* d */ ] /* e */ ( /* f */ ) /* g */ { /* h */ }");
+assertToStringOrNativeFunction(h, "async /* a */ * /* b */ [ /* c */ x /* d */ ] /* e */ ( /* f */ ) /* g */ { /* h */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/async-generator-method-class-expression.js b/js/src/tests/test262/built-ins/Function/prototype/toString/async-generator-method-class-expression.js
new file mode 100644
index 0000000000..be3c33de88
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/async-generator-method-class-expression.js
@@ -0,0 +1,20 @@
+// Copyright 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-function.prototype.tostring
+description: Function.prototype.toString on an async generator method
+features: [async-iteration]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let x = "h";
+let f = class { /* before */async /* a */ * /* b */ f /* c */ ( /* d */ ) /* e */ { /* f */ }/* after */ }.prototype.f;
+let g = class { /* before */async /* a */ * /* b */ [ /* c */ "g" /* d */ ] /* e */ ( /* f */ ) /* g */ { /* h */ }/* after */ }.prototype.g;
+let h = class { /* before */async /* a */ * /* b */ [ /* c */ x /* d */ ] /* e */ ( /* f */ ) /* g */ { /* h */ }/* after */ }.prototype.h;
+
+assertToStringOrNativeFunction(f, "async /* a */ * /* b */ f /* c */ ( /* d */ ) /* e */ { /* f */ }");
+assertToStringOrNativeFunction(g, "async /* a */ * /* b */ [ /* c */ \"g\" /* d */ ] /* e */ ( /* f */ ) /* g */ { /* h */ }");
+assertToStringOrNativeFunction(h, "async /* a */ * /* b */ [ /* c */ x /* d */ ] /* e */ ( /* f */ ) /* g */ { /* h */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/async-generator-method-class-statement-static.js b/js/src/tests/test262/built-ins/Function/prototype/toString/async-generator-method-class-statement-static.js
new file mode 100644
index 0000000000..852c2b63e3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/async-generator-method-class-statement-static.js
@@ -0,0 +1,24 @@
+// Copyright 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-function.prototype.tostring
+description: Function.prototype.toString on an async generator method
+features: [async-iteration]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let x = "h";
+class F { static /* before */async /* a */ * /* b */ f /* c */ ( /* d */ ) /* e */ { /* f */ }/* after */ }
+class G { static /* before */async /* a */ * /* b */ [ /* c */ "g" /* d */ ] /* e */ ( /* f */ ) /* g */ { /* h */ }/* after */ }
+class H { static /* before */async /* a */ * /* b */ [ /* c */ x /* d */ ] /* e */ ( /* f */ ) /* g */ { /* h */ }/* after */ }
+
+let f = F.f;
+let g = G.g;
+let h = H.h;
+
+assertToStringOrNativeFunction(f, "async /* a */ * /* b */ f /* c */ ( /* d */ ) /* e */ { /* f */ }");
+assertToStringOrNativeFunction(g, "async /* a */ * /* b */ [ /* c */ \"g\" /* d */ ] /* e */ ( /* f */ ) /* g */ { /* h */ }");
+assertToStringOrNativeFunction(h, "async /* a */ * /* b */ [ /* c */ x /* d */ ] /* e */ ( /* f */ ) /* g */ { /* h */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/async-generator-method-class-statement.js b/js/src/tests/test262/built-ins/Function/prototype/toString/async-generator-method-class-statement.js
new file mode 100644
index 0000000000..175b55c1ab
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/async-generator-method-class-statement.js
@@ -0,0 +1,24 @@
+// Copyright 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-function.prototype.tostring
+description: Function.prototype.toString on an async generator method
+features: [async-iteration]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let x = "h";
+class F { /* before */async /* a */ * /* b */ f /* c */ ( /* d */ ) /* e */ { /* f */ }/* after */ }
+class G { /* before */async /* a */ * /* b */ [ /* c */ "g" /* d */ ] /* e */ ( /* f */ ) /* g */ { /* h */ }/* after */ }
+class H { /* before */async /* a */ * /* b */ [ /* c */ x /* d */ ] /* e */ ( /* f */ ) /* g */ { /* h */ }/* after */ }
+
+let f = F.prototype.f;
+let g = G.prototype.g;
+let h = H.prototype.h;
+
+assertToStringOrNativeFunction(f, "async /* a */ * /* b */ f /* c */ ( /* d */ ) /* e */ { /* f */ }");
+assertToStringOrNativeFunction(g, "async /* a */ * /* b */ [ /* c */ \"g\" /* d */ ] /* e */ ( /* f */ ) /* g */ { /* h */ }");
+assertToStringOrNativeFunction(h, "async /* a */ * /* b */ [ /* c */ x /* d */ ] /* e */ ( /* f */ ) /* g */ { /* h */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/async-generator-method-object.js b/js/src/tests/test262/built-ins/Function/prototype/toString/async-generator-method-object.js
new file mode 100644
index 0000000000..7107687a6e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/async-generator-method-object.js
@@ -0,0 +1,20 @@
+// Copyright 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-function.prototype.tostring
+description: Function.prototype.toString on an async generator method
+features: [async-iteration]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let x = "h";
+let f = { /* before */async /* a */ * /* b */ f /* c */ ( /* d */ ) /* e */ { /* f */ }/* after */ }.f;
+let g = { /* before */async /* a */ * /* b */ [ /* c */ "g" /* d */ ] /* e */ ( /* f */ ) /* g */ { /* h */ }/* after */ }.g;
+let h = { /* before */async /* a */ * /* b */ [ /* c */ x /* d */ ] /* e */ ( /* f */ ) /* g */ { /* h */ }/* after */ }.h;
+
+assertToStringOrNativeFunction(f, "async /* a */ * /* b */ f /* c */ ( /* d */ ) /* e */ { /* f */ }");
+assertToStringOrNativeFunction(g, "async /* a */ * /* b */ [ /* c */ \"g\" /* d */ ] /* e */ ( /* f */ ) /* g */ { /* h */ }");
+assertToStringOrNativeFunction(h, "async /* a */ * /* b */ [ /* c */ x /* d */ ] /* e */ ( /* f */ ) /* g */ { /* h */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/async-method-class-expression-static.js b/js/src/tests/test262/built-ins/Function/prototype/toString/async-method-class-expression-static.js
new file mode 100644
index 0000000000..fb18fb58ae
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/async-method-class-expression-static.js
@@ -0,0 +1,20 @@
+// Copyright 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-function.prototype.tostring
+description: Function.prototype.toString on an async method
+features: [async-functions]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let x = "h";
+let f = class { static /* before */async f /* a */ ( /* b */ ) /* c */ { /* d */ }/* after */ }.f;
+let g = class { static /* before */async /* a */ [ /* b */ "g" /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }/* after */ }.g;
+let h = class { static /* before */async /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }/* after */ }.h;
+
+assertToStringOrNativeFunction(f, "async f /* a */ ( /* b */ ) /* c */ { /* d */ }");
+assertToStringOrNativeFunction(g, "async /* a */ [ /* b */ \"g\" /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }");
+assertToStringOrNativeFunction(h, "async /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/async-method-class-expression.js b/js/src/tests/test262/built-ins/Function/prototype/toString/async-method-class-expression.js
new file mode 100644
index 0000000000..d1c18fcec1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/async-method-class-expression.js
@@ -0,0 +1,20 @@
+// Copyright 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-function.prototype.tostring
+description: Function.prototype.toString on an async method
+features: [async-functions]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let x = "h";
+let f = class { /* before */async f /* a */ ( /* b */ ) /* c */ { /* d */ }/* after */ }.prototype.f;
+let g = class { /* before */async /* a */ [ /* b */ "g" /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }/* after */ }.prototype.g;
+let h = class { /* before */async /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }/* after */ }.prototype.h;
+
+assertToStringOrNativeFunction(f, "async f /* a */ ( /* b */ ) /* c */ { /* d */ }");
+assertToStringOrNativeFunction(g, "async /* a */ [ /* b */ \"g\" /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }");
+assertToStringOrNativeFunction(h, "async /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/async-method-class-statement-static.js b/js/src/tests/test262/built-ins/Function/prototype/toString/async-method-class-statement-static.js
new file mode 100644
index 0000000000..f64672fb16
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/async-method-class-statement-static.js
@@ -0,0 +1,24 @@
+// Copyright 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-function.prototype.tostring
+description: Function.prototype.toString on an async method
+features: [async-functions]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let x = "h";
+class F { static /* before */async f /* a */ ( /* b */ ) /* c */ { /* d */ }/* after */ }
+class G { static /* before */async /* a */ [ /* b */ "g" /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }/* after */ }
+class H { static /* before */async /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }/* after */ }
+
+let f = F.f;
+let g = G.g;
+let h = H.h;
+
+assertToStringOrNativeFunction(f, "async f /* a */ ( /* b */ ) /* c */ { /* d */ }");
+assertToStringOrNativeFunction(g, "async /* a */ [ /* b */ \"g\" /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }");
+assertToStringOrNativeFunction(h, "async /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/async-method-class-statement.js b/js/src/tests/test262/built-ins/Function/prototype/toString/async-method-class-statement.js
new file mode 100644
index 0000000000..16cf4d4b5f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/async-method-class-statement.js
@@ -0,0 +1,24 @@
+// Copyright 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-function.prototype.tostring
+description: Function.prototype.toString on an async method
+features: [async-functions]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let x = "h";
+class F { /* before */async f /* a */ ( /* b */ ) /* c */ { /* d */ }/* after */ }
+class G { /* before */async /* a */ [ /* b */ "g" /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }/* after */ }
+class H { /* before */async /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }/* after */ }
+
+let f = F.prototype.f;
+let g = G.prototype.g;
+let h = H.prototype.h;
+
+assertToStringOrNativeFunction(f, "async f /* a */ ( /* b */ ) /* c */ { /* d */ }");
+assertToStringOrNativeFunction(g, "async /* a */ [ /* b */ \"g\" /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }");
+assertToStringOrNativeFunction(h, "async /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/async-method-object.js b/js/src/tests/test262/built-ins/Function/prototype/toString/async-method-object.js
new file mode 100644
index 0000000000..ca837303e8
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/async-method-object.js
@@ -0,0 +1,21 @@
+// Copyright 2016 Microsoft, Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+author: Brian Terlson <brian.terlson@microsoft.com>
+esid: sec-function.prototype.tostring
+description: Function.prototype.toString on an async method
+features: [async-functions]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let x = "h";
+let f = { /* before */async f /* a */ ( /* b */ ) /* c */ { /* d */ }/* after */ }.f;
+let g = { /* before */async /* a */ [ /* b */ "g" /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }/* after */ }.g;
+let h = { /* before */async /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }/* after */ }.h;
+
+assertToStringOrNativeFunction(f, "async f /* a */ ( /* b */ ) /* c */ { /* d */ }");
+assertToStringOrNativeFunction(g, "async /* a */ [ /* b */ \"g\" /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }");
+assertToStringOrNativeFunction(h, "async /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/bound-function.js b/js/src/tests/test262/built-ins/Function/prototype/toString/bound-function.js
new file mode 100644
index 0000000000..b5e2361c5f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/bound-function.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// Copyright (C) 2018 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-function.prototype.tostring
+description: >
+ toString bound function does not throw (bound Function Expression)
+info: |
+ ...
+ If func is a Bound Function exotic object or a built-in Function object,
+ then return an implementation-dependent String source code representation
+ of func. The representation must have the syntax of a NativeFunction
+ ...
+includes: [nativeFunctionMatcher.js]
+---*/
+
+assertNativeFunction(function() {}.bind({}));
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/browser.js b/js/src/tests/test262/built-ins/Function/prototype/toString/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/browser.js
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/built-in-function-object.js b/js/src/tests/test262/built-ins/Function/prototype/toString/built-in-function-object.js
new file mode 100644
index 0000000000..9aebef3089
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/built-in-function-object.js
@@ -0,0 +1,58 @@
+// Copyright (C) 2018 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-function.prototype.tostring
+description: >
+ toString of built-in Function object
+info: |
+ ...
+ If func is a built-in Function object, then return an implementation-dependent String source code representation of func.
+ The representation must have the syntax of a NativeFunction.
+ ...
+
+ NativeFunction:
+ function NativeFunctionAccessor_opt IdentifierName_opt ( FormalParameters ) { [ native code ] }
+ NativeFunctionAccessor :
+ get
+ set
+
+includes: [nativeFunctionMatcher.js, wellKnownIntrinsicObjects.js]
+features: [arrow-function, Reflect, Array.prototype.includes]
+---*/
+
+const visited = [];
+function visit(ns, path) {
+ if (visited.includes(ns)) {
+ return;
+ }
+ visited.push(ns);
+
+ if (typeof ns === 'function') {
+ assertNativeFunction(ns, path);
+ }
+ if (typeof ns !== 'function' && (typeof ns !== 'object' || ns === null)) {
+ return;
+ }
+
+ const descriptors = Object.getOwnPropertyDescriptors(ns);
+ Reflect.ownKeys(descriptors)
+ .forEach((name) => {
+ const desc = descriptors[name];
+ const p = typeof name === 'symbol'
+ ? `${path}[Symbol(${name.description})]`
+ : `${path}.${name}`;
+ if ('value' in desc) {
+ visit(desc.value, p);
+ } else {
+ visit(desc.get, p);
+ visit(desc.set, p);
+ }
+ });
+}
+
+WellKnownIntrinsicObjects.forEach((intrinsic) => {
+ visit(intrinsic.value, intrinsic.name);
+});
+assert.notSameValue(visited.length, 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/class-declaration-complex-heritage.js b/js/src/tests/test262/built-ins/Function/prototype/toString/class-declaration-complex-heritage.js
new file mode 100644
index 0000000000..e74d77d0b3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/class-declaration-complex-heritage.js
@@ -0,0 +1,14 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+description: Function.prototype.toString on a class declaration (with complex heritage)
+includes: [nativeFunctionMatcher.js]
+---*/
+
+/* before */class /* a */ A /* b */ extends /* c */ class /* d */ B /* e */ { /* f */ } /* g */ { /* h */ }/* after */
+
+assertToStringOrNativeFunction(A, "class /* a */ A /* b */ extends /* c */ class /* d */ B /* e */ { /* f */ } /* g */ { /* h */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/class-declaration-explicit-ctor.js b/js/src/tests/test262/built-ins/Function/prototype/toString/class-declaration-explicit-ctor.js
new file mode 100644
index 0000000000..2734f217b7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/class-declaration-explicit-ctor.js
@@ -0,0 +1,16 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+description: Function.prototype.toString on a class declaration (explicit constructor)
+includes: [nativeFunctionMatcher.js]
+---*/
+
+/* before */class /* a */ A /* b */ extends /* c */ B /* d */ { /* e */ constructor /* f */ ( /* g */ ) /* h */ { /* i */ ; /* j */ } /* k */ m /* l */ ( /* m */ ) /* n */ { /* o */ } /* p */ }/* after */
+
+assertToStringOrNativeFunction(A, "class /* a */ A /* b */ extends /* c */ B /* d */ { /* e */ constructor /* f */ ( /* g */ ) /* h */ { /* i */ ; /* j */ } /* k */ m /* l */ ( /* m */ ) /* n */ { /* o */ } /* p */ }");
+
+function B(){}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/class-declaration-implicit-ctor.js b/js/src/tests/test262/built-ins/Function/prototype/toString/class-declaration-implicit-ctor.js
new file mode 100644
index 0000000000..e17991ad81
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/class-declaration-implicit-ctor.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+description: Function.prototype.toString on a class declaration (implicit constructor)
+includes: [nativeFunctionMatcher.js]
+---*/
+
+/* before */class /* a */ A /* b */ { /* c */ }/* after */
+/* before */class /* a */ B /* b */ extends /* c */ A /* d */ { /* e */ }/* after */
+/* before */class /* a */ C /* b */ extends /* c */ B /* d */ { /* e */ m /* f */ ( /* g */ ) /* h */ { /* i */ } /* j */ }/* after */
+
+assertToStringOrNativeFunction(A, "class /* a */ A /* b */ { /* c */ }");
+assertToStringOrNativeFunction(B, "class /* a */ B /* b */ extends /* c */ A /* d */ { /* e */ }");
+assertToStringOrNativeFunction(C, "class /* a */ C /* b */ extends /* c */ B /* d */ { /* e */ m /* f */ ( /* g */ ) /* h */ { /* i */ } /* j */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/class-expression-explicit-ctor.js b/js/src/tests/test262/built-ins/Function/prototype/toString/class-expression-explicit-ctor.js
new file mode 100644
index 0000000000..6571e8ecba
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/class-expression-explicit-ctor.js
@@ -0,0 +1,16 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-class-definitions-runtime-semantics-evaluation
+description: Function.prototype.toString on a class expression (explicit constructor)
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let A = /* before */class /* a */ A /* b */ extends /* c */ B /* d */ { /* e */ constructor /* f */ ( /* g */ ) /* h */ { /* i */ ; /* j */ } /* k */ m /* l */ ( /* m */ ) /* n */ { /* o */ } /* p */ }/* after */;
+
+assertToStringOrNativeFunction(A, "class /* a */ A /* b */ extends /* c */ B /* d */ { /* e */ constructor /* f */ ( /* g */ ) /* h */ { /* i */ ; /* j */ } /* k */ m /* l */ ( /* m */ ) /* n */ { /* o */ } /* p */ }");
+
+function B(){}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/class-expression-implicit-ctor.js b/js/src/tests/test262/built-ins/Function/prototype/toString/class-expression-implicit-ctor.js
new file mode 100644
index 0000000000..824f57d639
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/class-expression-implicit-ctor.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-class-definitions-runtime-semantics-evaluation
+description: Function.prototype.toString on a class expression (implicit constructor)
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let A = /* before */class /* a */ A /* b */ { /* c */ }/* after */;
+let B = /* before */class /* a */ B /* b */ extends /* c */ A /* d */ { /* e */ }/* after */;
+let C = /* before */class /* a */ C /* b */ extends /* c */ B /* d */ { /* e */ m /* f */ ( /* g */ ) /* h */ { /* i */ } /* j */ }/* after */;
+
+assertToStringOrNativeFunction(A, "class /* a */ A /* b */ { /* c */ }");
+assertToStringOrNativeFunction(B, "class /* a */ B /* b */ extends /* c */ A /* d */ { /* e */ }");
+assertToStringOrNativeFunction(C, "class /* a */ C /* b */ extends /* c */ B /* d */ { /* e */ m /* f */ ( /* g */ ) /* h */ { /* i */ } /* j */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/function-declaration-non-simple-parameter-list.js b/js/src/tests/test262/built-ins/Function/prototype/toString/function-declaration-non-simple-parameter-list.js
new file mode 100644
index 0000000000..e277d39a8a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/function-declaration-non-simple-parameter-list.js
@@ -0,0 +1,14 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-function-definitions-runtime-semantics-instantiatefunctionobject
+description: Function.prototype.toString on a function with a non-simple parameter list
+includes: [nativeFunctionMatcher.js]
+---*/
+
+/* before */function /* a */ f /* b */ ( /* c */ a /* d */ = /* e */ 0 /* f */ , /* g */ { /* h */ b /* i */ = /* j */ 0 /* k */ } /* l */ ) /* m */ { /* n */ }/* after */
+
+assertToStringOrNativeFunction(f, "function /* a */ f /* b */ ( /* c */ a /* d */ = /* e */ 0 /* f */ , /* g */ { /* h */ b /* i */ = /* j */ 0 /* k */ } /* l */ ) /* m */ { /* n */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/function-declaration.js b/js/src/tests/test262/built-ins/Function/prototype/toString/function-declaration.js
new file mode 100644
index 0000000000..f973e6659b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/function-declaration.js
@@ -0,0 +1,14 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-function-definitions-runtime-semantics-instantiatefunctionobject
+description: Function.prototype.toString on a function declaration
+includes: [nativeFunctionMatcher.js]
+---*/
+
+/* before */function /* a */ f /* b */ ( /* c */ x /* d */ , /* e */ y /* f */ ) /* g */ { /* h */ ; /* i */ ; /* j */ }/* after */
+
+assertToStringOrNativeFunction(f, "function /* a */ f /* b */ ( /* c */ x /* d */ , /* e */ y /* f */ ) /* g */ { /* h */ ; /* i */ ; /* j */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/function-expression.js b/js/src/tests/test262/built-ins/Function/prototype/toString/function-expression.js
new file mode 100644
index 0000000000..6018b16df2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/function-expression.js
@@ -0,0 +1,16 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-function-definitions-runtime-semantics-evaluation
+description: Function.prototype.toString on a function expression
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let f = /* before */function /* a */ F /* b */ ( /* c */ x /* d */ , /* e */ y /* f */ ) /* g */ { /* h */ ; /* i */ ; /* j */ }/* after */;
+let g = /* before */function /* a */ ( /* b */ x /* c */ , /* d */ y /* e */ ) /* f */ { /* g */ ; /* h */ ; /* i */ }/* after */;
+
+assertToStringOrNativeFunction(f, "function /* a */ F /* b */ ( /* c */ x /* d */ , /* e */ y /* f */ ) /* g */ { /* h */ ; /* i */ ; /* j */ }");
+assertToStringOrNativeFunction(g, "function /* a */ ( /* b */ x /* c */ , /* d */ y /* e */ ) /* f */ { /* g */ ; /* h */ ; /* i */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/generator-function-declaration.js b/js/src/tests/test262/built-ins/Function/prototype/toString/generator-function-declaration.js
new file mode 100644
index 0000000000..ab9dcb9625
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/generator-function-declaration.js
@@ -0,0 +1,14 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-generator-function-definitions-runtime-semantics-instantiatefunctionobject
+description: Function.prototype.toString on a generator function declaration
+includes: [nativeFunctionMatcher.js]
+---*/
+
+/* before */function /* a */ * /* b */ g /* c */ ( /* d */ x /* e */ , /* f */ y /* g */ ) /* h */ { /* i */ ; /* j */ ; /* k */ }/* after */
+
+assertToStringOrNativeFunction(g, "function /* a */ * /* b */ g /* c */ ( /* d */ x /* e */ , /* f */ y /* g */ ) /* h */ { /* i */ ; /* j */ ; /* k */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/generator-function-expression.js b/js/src/tests/test262/built-ins/Function/prototype/toString/generator-function-expression.js
new file mode 100644
index 0000000000..feb9ad6706
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/generator-function-expression.js
@@ -0,0 +1,16 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-generator-function-definitions-runtime-semantics-evaluation
+description: Function.prototype.toString on a generator function expression
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let f = /* before */function /* a */ * /* b */ F /* c */ ( /* d */ x /* e */ , /* f */ y /* g */ ) /* h */ { /* i */ ; /* j */ ; /* k */ }/* after */
+let g = /* before */function /* a */ * /* b */ ( /* c */ x /* d */ , /* e */ y /* f */ ) /* g */ { /* h */ ; /* i */ ; /* j */ }/* after */
+
+assertToStringOrNativeFunction(f, "function /* a */ * /* b */ F /* c */ ( /* d */ x /* e */ , /* f */ y /* g */ ) /* h */ { /* i */ ; /* j */ ; /* k */ }");
+assertToStringOrNativeFunction(g, "function /* a */ * /* b */ ( /* c */ x /* d */ , /* e */ y /* f */ ) /* g */ { /* h */ ; /* i */ ; /* j */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/generator-method.js b/js/src/tests/test262/built-ins/Function/prototype/toString/generator-method.js
new file mode 100644
index 0000000000..1cd18e24bd
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/generator-method.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-generator-function-definitions-runtime-semantics-propertydefinitionevaluation
+description: Function.prototype.toString on a generator method
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let x = "h";
+let f = { /* before */* /* a */ f /* b */ ( /* c */ ) /* d */ { /* e */ }/* after */ }.f;
+let g = { /* before */* /* a */ [ /* b */ "g" /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }/* after */ }.g;
+let h = { /* before */* /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }/* after */ }.h;
+
+assertToStringOrNativeFunction(f, "* /* a */ f /* b */ ( /* c */ ) /* d */ { /* e */ }");
+assertToStringOrNativeFunction(g, "* /* a */ [ /* b */ \"g\" /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }");
+assertToStringOrNativeFunction(h, "* /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/getter-class-expression-static.js b/js/src/tests/test262/built-ins/Function/prototype/toString/getter-class-expression-static.js
new file mode 100644
index 0000000000..7295b41d77
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/getter-class-expression-static.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-method-definitions-runtime-semantics-propertydefinitionevaluation
+description: Function.prototype.toString on a getter (class; static)
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let x = "h";
+let f = Object.getOwnPropertyDescriptor(class { static /* before */get /* a */ f /* b */ ( /* c */ ) /* d */ { /* e */ }/* after */ }, "f").get;
+let g = Object.getOwnPropertyDescriptor(class { static /* before */get /* a */ [ /* b */ "g" /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }/* after */ }, "g").get;
+let h = Object.getOwnPropertyDescriptor(class { static /* before */get /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }/* after */ }, "h").get;
+
+assertToStringOrNativeFunction(f, "get /* a */ f /* b */ ( /* c */ ) /* d */ { /* e */ }");
+assertToStringOrNativeFunction(g, "get /* a */ [ /* b */ \"g\" /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }");
+assertToStringOrNativeFunction(h, "get /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/getter-class-expression.js b/js/src/tests/test262/built-ins/Function/prototype/toString/getter-class-expression.js
new file mode 100644
index 0000000000..ac61d68a7b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/getter-class-expression.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-method-definitions-runtime-semantics-propertydefinitionevaluation
+description: Function.prototype.toString on a getter (class)
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let x = "h";
+let f = Object.getOwnPropertyDescriptor(class { /* before */get /* a */ f /* b */ ( /* c */ ) /* d */ { /* e */ }/* after */ }.prototype, "f").get;
+let g = Object.getOwnPropertyDescriptor(class { /* before */get /* a */ [ /* b */ "g" /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }/* after */ }.prototype, "g").get;
+let h = Object.getOwnPropertyDescriptor(class { /* before */get /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }/* after */ }.prototype, "h").get;
+
+assertToStringOrNativeFunction(f, "get /* a */ f /* b */ ( /* c */ ) /* d */ { /* e */ }");
+assertToStringOrNativeFunction(g, "get /* a */ [ /* b */ \"g\" /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }");
+assertToStringOrNativeFunction(h, "get /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/getter-class-statement-static.js b/js/src/tests/test262/built-ins/Function/prototype/toString/getter-class-statement-static.js
new file mode 100644
index 0000000000..d5c26ae1c8
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/getter-class-statement-static.js
@@ -0,0 +1,23 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-method-definitions-runtime-semantics-propertydefinitionevaluation
+description: Function.prototype.toString on a getter (class; static)
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let x = "h";
+class F { static /* before */get /* a */ f /* b */ ( /* c */ ) /* d */ { /* e */ }/* after */ }
+class G { static /* before */get /* a */ [ /* b */ "g" /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }/* after */ }
+class H { static /* before */get /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }/* after */ }
+
+let f = Object.getOwnPropertyDescriptor(F, "f").get;
+let g = Object.getOwnPropertyDescriptor(G, "g").get;
+let h = Object.getOwnPropertyDescriptor(H, "h").get;
+
+assertToStringOrNativeFunction(f, "get /* a */ f /* b */ ( /* c */ ) /* d */ { /* e */ }");
+assertToStringOrNativeFunction(g, "get /* a */ [ /* b */ \"g\" /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }");
+assertToStringOrNativeFunction(h, "get /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/getter-class-statement.js b/js/src/tests/test262/built-ins/Function/prototype/toString/getter-class-statement.js
new file mode 100644
index 0000000000..92d62ec035
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/getter-class-statement.js
@@ -0,0 +1,23 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-method-definitions-runtime-semantics-propertydefinitionevaluation
+description: Function.prototype.toString on a getter (class)
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let x = "h";
+class F { /* before */get /* a */ f /* b */ ( /* c */ ) /* d */ { /* e */ }/* after */ }
+class G { /* before */get /* a */ [ /* b */ "g" /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }/* after */ }
+class H { /* before */get /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }/* after */ }
+
+let f = Object.getOwnPropertyDescriptor(F.prototype, "f").get;
+let g = Object.getOwnPropertyDescriptor(G.prototype, "g").get;
+let h = Object.getOwnPropertyDescriptor(H.prototype, "h").get;
+
+assertToStringOrNativeFunction(f, "get /* a */ f /* b */ ( /* c */ ) /* d */ { /* e */ }");
+assertToStringOrNativeFunction(g, "get /* a */ [ /* b */ \"g\" /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }");
+assertToStringOrNativeFunction(h, "get /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/getter-object.js b/js/src/tests/test262/built-ins/Function/prototype/toString/getter-object.js
new file mode 100644
index 0000000000..f6f0ddfa97
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/getter-object.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-method-definitions-runtime-semantics-propertydefinitionevaluation
+description: Function.prototype.toString on a getter (object)
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let x = "h";
+let f = Object.getOwnPropertyDescriptor({ /* before */get /* a */ f /* b */ ( /* c */ ) /* d */ { /* e */ }/* after */ }, "f").get;
+let g = Object.getOwnPropertyDescriptor({ /* before */get /* a */ [ /* b */ "g" /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }/* after */ }, "g").get;
+let h = Object.getOwnPropertyDescriptor({ /* before */get /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }/* after */ }, "h").get;
+
+assertToStringOrNativeFunction(f, "get /* a */ f /* b */ ( /* c */ ) /* d */ { /* e */ }");
+assertToStringOrNativeFunction(g, "get /* a */ [ /* b */ \"g\" /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }");
+assertToStringOrNativeFunction(h, "get /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ ) /* f */ { /* g */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/line-terminator-normalisation-CR-LF.js b/js/src/tests/test262/built-ins/Function/prototype/toString/line-terminator-normalisation-CR-LF.js
new file mode 100644
index 0000000000..9c44e0bb5c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/line-terminator-normalisation-CR-LF.js
@@ -0,0 +1,39 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-function-definitions-runtime-semantics-instantiatefunctionobject
+description: Function.prototype.toString line terminator normalisation (CR-LF)
+info: |
+ Function.prototype.toString should not normalise line terminator sequences to Line Feed characters.
+ This file uses (Carriage Return, Line Feed) sequences as line terminators.
+includes: [nativeFunctionMatcher.js]
+---*/
+
+// before
+function
+// a
+f
+// b
+(
+// c
+x
+// d
+,
+// e
+y
+// f
+)
+// g
+{
+// h
+;
+// i
+;
+// j
+}
+// after
+
+assertToStringOrNativeFunction(f, "function\r\n// a\r\nf\r\n// b\r\n(\r\n// c\r\nx\r\n// d\r\n,\r\n// e\r\ny\r\n// f\r\n)\r\n// g\r\n{\r\n// h\r\n;\r\n// i\r\n;\r\n// j\r\n}");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/line-terminator-normalisation-CR.js b/js/src/tests/test262/built-ins/Function/prototype/toString/line-terminator-normalisation-CR.js
new file mode 100644
index 0000000000..3485222334
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/line-terminator-normalisation-CR.js
@@ -0,0 +1,2 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-function-definitions-runtime-semantics-instantiatefunctionobject description: Function.prototype.toString line terminator normalisation (CR) info: | Function.prototype.toString should not normalise line terminator sequences to Line Feed characters. This file uses Carriage Return characters as line terminators. includes: [nativeFunctionMatcher.js] ---*/ // before function // a f // b ( // c x // d , // e y // f ) // g { // h ; // i ; // j } // after assertToStringOrNativeFunction(f, "function\r// a\rf\r// b\r(\r// c\rx\r// d\r,\r// e\ry\r// f\r)\r// g\r{\r// h\r;\r// i\r;\r// j\r}");
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/line-terminator-normalisation-LF.js b/js/src/tests/test262/built-ins/Function/prototype/toString/line-terminator-normalisation-LF.js
new file mode 100644
index 0000000000..f7aa2b5278
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/line-terminator-normalisation-LF.js
@@ -0,0 +1,39 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-function-definitions-runtime-semantics-instantiatefunctionobject
+description: Function.prototype.toString line terminator normalisation (LF)
+info: |
+ Function.prototype.toString should not normalise line terminator sequences to Line Feed characters.
+ This file uses Line Feed characters as line terminators.
+includes: [nativeFunctionMatcher.js]
+---*/
+
+// before
+function
+// a
+f
+// b
+(
+// c
+x
+// d
+,
+// e
+y
+// f
+)
+// g
+{
+// h
+;
+// i
+;
+// j
+}
+// after
+
+assertToStringOrNativeFunction(f, "function\n// a\nf\n// b\n(\n// c\nx\n// d\n,\n// e\ny\n// f\n)\n// g\n{\n// h\n;\n// i\n;\n// j\n}");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/method-class-expression-static.js b/js/src/tests/test262/built-ins/Function/prototype/toString/method-class-expression-static.js
new file mode 100644
index 0000000000..cfc091e465
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/method-class-expression-static.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-runtime-semantics-definemethod
+description: Function.prototype.toString on a method (class; static)
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let x = "h";
+let f = class { static /* before */f /* a */ ( /* b */ ) /* c */ { /* d */ }/* after */ }.f;
+let g = class { static /* before */[ /* a */ "g" /* b */ ] /* c */ ( /* d */ ) /* e */ { /* f */ }/* after */ }.g;
+let h = class { static /* before */[ /* a */ x /* b */ ] /* c */ ( /* d */ ) /* e */ { /* f */ }/* after */ }.h;
+
+assertToStringOrNativeFunction(f, "f /* a */ ( /* b */ ) /* c */ { /* d */ }");
+assertToStringOrNativeFunction(g, "[ /* a */ \"g\" /* b */ ] /* c */ ( /* d */ ) /* e */ { /* f */ }");
+assertToStringOrNativeFunction(h, "[ /* a */ x /* b */ ] /* c */ ( /* d */ ) /* e */ { /* f */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/method-class-expression.js b/js/src/tests/test262/built-ins/Function/prototype/toString/method-class-expression.js
new file mode 100644
index 0000000000..0af9bd73da
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/method-class-expression.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-runtime-semantics-definemethod
+description: Function.prototype.toString on a method (class)
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let x = "h";
+let f = class { /* before */f /* a */ ( /* b */ ) /* c */ { /* d */ }/* after */ }.prototype.f;
+let g = class { /* before */[ /* a */ "g" /* b */ ] /* c */ ( /* d */ ) /* e */ { /* f */ }/* after */ }.prototype.g;
+let h = class { /* before */[ /* a */ x /* b */ ] /* c */ ( /* d */ ) /* e */ { /* f */ }/* after */ }.prototype.h;
+
+assertToStringOrNativeFunction(f, "f /* a */ ( /* b */ ) /* c */ { /* d */ }");
+assertToStringOrNativeFunction(g, "[ /* a */ \"g\" /* b */ ] /* c */ ( /* d */ ) /* e */ { /* f */ }");
+assertToStringOrNativeFunction(h, "[ /* a */ x /* b */ ] /* c */ ( /* d */ ) /* e */ { /* f */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/method-class-statement-static.js b/js/src/tests/test262/built-ins/Function/prototype/toString/method-class-statement-static.js
new file mode 100644
index 0000000000..c1acf7a3f2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/method-class-statement-static.js
@@ -0,0 +1,23 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-runtime-semantics-definemethod
+description: Function.prototype.toString on a method (class; static)
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let x = "h";
+class F { static /* before */f /* a */ ( /* b */ ) /* c */ { /* d */ }/* after */ }
+class G { static /* before */[ /* a */ "g" /* b */ ] /* c */ ( /* d */ ) /* e */ { /* f */ }/* after */ }
+class H { static /* before */[ /* a */ x /* b */ ] /* c */ ( /* d */ ) /* e */ { /* f */ }/* after */ }
+
+let f = F.f;
+let g = G.g;
+let h = H.h;
+
+assertToStringOrNativeFunction(f, "f /* a */ ( /* b */ ) /* c */ { /* d */ }");
+assertToStringOrNativeFunction(g, "[ /* a */ \"g\" /* b */ ] /* c */ ( /* d */ ) /* e */ { /* f */ }");
+assertToStringOrNativeFunction(h, "[ /* a */ x /* b */ ] /* c */ ( /* d */ ) /* e */ { /* f */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/method-class-statement.js b/js/src/tests/test262/built-ins/Function/prototype/toString/method-class-statement.js
new file mode 100644
index 0000000000..d1116a044e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/method-class-statement.js
@@ -0,0 +1,23 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-runtime-semantics-definemethod
+description: Function.prototype.toString on a method (class)
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let x = "h";
+class F { /* before */f /* a */ ( /* b */ ) /* c */ { /* d */ }/* after */ }
+class G { /* before */[ /* a */ "g" /* b */ ] /* c */ ( /* d */ ) /* e */ { /* f */ }/* after */ }
+class H { /* before */[ /* a */ x /* b */ ] /* c */ ( /* d */ ) /* e */ { /* f */ }/* after */ }
+
+let f = F.prototype.f;
+let g = G.prototype.g;
+let h = H.prototype.h;
+
+assertToStringOrNativeFunction(f, "f /* a */ ( /* b */ ) /* c */ { /* d */ }");
+assertToStringOrNativeFunction(g, "[ /* a */ \"g\" /* b */ ] /* c */ ( /* d */ ) /* e */ { /* f */ }");
+assertToStringOrNativeFunction(h, "[ /* a */ x /* b */ ] /* c */ ( /* d */ ) /* e */ { /* f */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/method-computed-property-name.js b/js/src/tests/test262/built-ins/Function/prototype/toString/method-computed-property-name.js
new file mode 100644
index 0000000000..fcfe262176
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/method-computed-property-name.js
@@ -0,0 +1,16 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-runtime-semantics-definemethod
+description: Function.prototype.toString on a method (object)
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let f = { /* before */[ /* a */ "f" /* b */ ] /* c */ ( /* d */ ) /* e */ { /* f */ }/* after */ }.f;
+let g = { [ { a(){} }.a ](){ } }["a(){}"];
+
+assertToStringOrNativeFunction(f, "[ /* a */ \"f\" /* b */ ] /* c */ ( /* d */ ) /* e */ { /* f */ }");
+assertToStringOrNativeFunction(g, "[ { a(){} }.a ](){ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/method-object.js b/js/src/tests/test262/built-ins/Function/prototype/toString/method-object.js
new file mode 100644
index 0000000000..d94c3ece27
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/method-object.js
@@ -0,0 +1,14 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-runtime-semantics-definemethod
+description: Function.prototype.toString on a method (object)
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let f = { /* before */f /* a */ ( /* b */ ) /* c */ { /* d */ }/* after */ }.f;
+
+assertToStringOrNativeFunction(f, "f /* a */ ( /* b */ ) /* c */ { /* d */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/name.js b/js/src/tests/test262/built-ins/Function/prototype/toString/name.js
new file mode 100644
index 0000000000..dc6751fd68
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-function.prototype.tostring
+description: >
+ Function.prototype.toString.name is "toString".
+info: |
+ Function.prototype.toString ( )
+
+ 17 ECMAScript Standard Built-in Objects:
+ Every built-in Function object, including constructors, that is not
+ identified as an anonymous function has a name property whose value
+ is a String.
+
+ Unless otherwise specified, the name property of a built-in Function
+ object, if it exists, has the attributes { [[Writable]]: false,
+ [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Function.prototype.toString.name, "toString");
+
+verifyNotEnumerable(Function.prototype.toString, "name");
+verifyNotWritable(Function.prototype.toString, "name");
+verifyConfigurable(Function.prototype.toString, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/not-a-constructor.js b/js/src/tests/test262/built-ins/Function/prototype/toString/not-a-constructor.js
new file mode 100644
index 0000000000..b13c0c51a2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/not-a-constructor.js
@@ -0,0 +1,39 @@
+// 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: >
+ Function.prototype.toString 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, arrow-function]
+---*/
+
+assert.sameValue(
+ isConstructor(Function.prototype.toString),
+ false,
+ 'isConstructor(Function.prototype.toString) must return false'
+);
+
+assert.throws(TypeError, () => {
+ new Function.prototype.toString();
+}, '`new Function.prototype.toString()` throws TypeError');
+
+var toString = Function.prototype.toString;
+assert.throws(TypeError, () => {
+ new toString;
+}, '`new toString` throws TypeError');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/private-method-class-expression.js b/js/src/tests/test262/built-ins/Function/prototype/toString/private-method-class-expression.js
new file mode 100644
index 0000000000..bb82202d74
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/private-method-class-expression.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2019 Kubilay Kahveci (Bloomberg LP). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Function.prototype.toString on a private method
+features: [class-methods-private]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let c = new (class {
+ /* before */#f /* a */ ( /* b */ ) /* c */ { /* d */ }/* after */
+ assert(expected) {
+ assertToStringOrNativeFunction(this.#f, expected);
+ }
+});
+
+c.assert("#f /* a */ ( /* b */ ) /* c */ { /* d */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/private-method-class-statement.js b/js/src/tests/test262/built-ins/Function/prototype/toString/private-method-class-statement.js
new file mode 100644
index 0000000000..de64988c99
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/private-method-class-statement.js
@@ -0,0 +1,20 @@
+// Copyright (C) 2019 Kubilay Kahveci (Bloomberg LP). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Function.prototype.toString on a private method
+features: [class-methods-private]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+class C {
+ /* before */#f /* a */ ( /* b */ ) /* c */ { /* d */ }/* after */
+ assert(expected) {
+ assertToStringOrNativeFunction(this.#f, expected);
+ }
+}
+
+let c = new C();
+c.assert("#f /* a */ ( /* b */ ) /* c */ { /* d */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/private-static-method-class-expression.js b/js/src/tests/test262/built-ins/Function/prototype/toString/private-static-method-class-expression.js
new file mode 100644
index 0000000000..fd863c65ca
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/private-static-method-class-expression.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2019 Kubilay Kahveci (Bloomberg LP). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Function.prototype.toString on a static private method
+features: [class-static-methods-private]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let C = class {
+ /* before */static #f /* a */ ( /* b */ ) /* c */ { /* d */ }/* after */
+ static assert(expected) {
+ assertToStringOrNativeFunction(this.#f, expected);
+ }
+};
+
+C.assert("#f /* a */ ( /* b */ ) /* c */ { /* d */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/private-static-method-class-statement.js b/js/src/tests/test262/built-ins/Function/prototype/toString/private-static-method-class-statement.js
new file mode 100644
index 0000000000..5f3d97b0dc
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/private-static-method-class-statement.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2019 Kubilay Kahveci (Bloomberg LP). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Function.prototype.toString on a static private method
+features: [class-static-methods-private]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+class C {
+ /* before */static #f /* a */ ( /* b */ ) /* c */ { /* d */ }/* after */
+ static assert(expected) {
+ assertToStringOrNativeFunction(this.#f, expected);
+ }
+}
+
+C.assert("#f /* a */ ( /* b */ ) /* c */ { /* d */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-arrow-function.js b/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-arrow-function.js
new file mode 100644
index 0000000000..5cce27255f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-arrow-function.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2018 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-function.prototype.tostring
+description: >
+ toString of Proxy for function target does not throw (Arrow Function)
+info: |
+ ...
+ If Type(func) is Object and IsCallable(func) is true, then return an
+ implementation-dependent String source code representation of func.
+ The representation must have the syntax of a NativeFunction.
+ ...
+
+ NativeFunction:
+ function IdentifierName_opt ( FormalParameters ) { [ native code ] }
+
+features: [arrow-function, Proxy]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+assertNativeFunction(new Proxy(() => {}, {}));
+assertNativeFunction(new Proxy(() => {}, { apply() {} }).apply);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-async-function.js b/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-async-function.js
new file mode 100644
index 0000000000..e618b0071e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-async-function.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2018 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-function.prototype.tostring
+description: >
+ toString of Proxy for function target does not throw (Async Function Expression)
+info: |
+ ...
+ If Type(func) is Object and IsCallable(func) is true, then return an
+ implementation-dependent String source code representation of func.
+ The representation must have the syntax of a NativeFunction.
+ ...
+
+ NativeFunction:
+ function IdentifierName_opt ( FormalParameters ) { [ native code ] }
+
+features: [async-functions, Proxy]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+assertNativeFunction(new Proxy(async function() {}, {}));
+assertNativeFunction(new Proxy(async function() {}, { apply() {} }).apply);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-async-generator-function.js b/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-async-generator-function.js
new file mode 100644
index 0000000000..ddd0bc95cb
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-async-generator-function.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2018 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-function.prototype.tostring
+description: >
+ toString of Proxy for function target does not throw (Async Generator Function Expression)
+info: |
+ ...
+ If Type(func) is Object and IsCallable(func) is true, then return an
+ implementation-dependent String source code representation of func.
+ The representation must have the syntax of a NativeFunction.
+ ...
+
+ NativeFunction:
+ function IdentifierName_opt ( FormalParameters ) { [ native code ] }
+
+features: [async-iteration, Proxy]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+assertNativeFunction(new Proxy(async function * () {}, {}));
+assertNativeFunction(new Proxy(async function * () {}, { apply() {} }).apply);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-async-generator-method-definition.js b/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-async-generator-method-definition.js
new file mode 100644
index 0000000000..6ee8391e80
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-async-generator-method-definition.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2018 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-function.prototype.tostring
+description: >
+ toString of Proxy for function target does not throw (Async Generator Method Definition)
+info: |
+ ...
+ If Type(func) is Object and IsCallable(func) is true, then return an
+ implementation-dependent String source code representation of func.
+ The representation must have the syntax of a NativeFunction.
+ ...
+
+ NativeFunction:
+ function IdentifierName_opt ( FormalParameters ) { [ native code ] }
+
+features: [async-iteration, Proxy]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+assertNativeFunction(new Proxy({ async * method() {} }.method, {}));
+assertNativeFunction(new Proxy({ async * method() {} }.method, { apply() {} }).apply);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-async-method-definition.js b/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-async-method-definition.js
new file mode 100644
index 0000000000..0ddf3dc57d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-async-method-definition.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2018 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-function.prototype.tostring
+description: >
+ toString of Proxy for function target does not throw (Async Method Definition)
+info: |
+ ...
+ If Type(func) is Object and IsCallable(func) is true, then return an
+ implementation-dependent String source code representation of func.
+ The representation must have the syntax of a NativeFunction.
+ ...
+
+ NativeFunction:
+ function IdentifierName_opt ( FormalParameters ) { [ native code ] }
+
+features: [async-functions, Proxy]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+assertNativeFunction(new Proxy({ async method() {} }.method, {}));
+assertNativeFunction(new Proxy({ async method() {} }.method, { apply() {} }).apply);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-bound-function.js b/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-bound-function.js
new file mode 100644
index 0000000000..7a780b3981
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-bound-function.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2018 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-function.prototype.tostring
+description: >
+ toString of Proxy for function target does not throw (bound Function Expression)
+info: |
+ ...
+ If Type(func) is Object and IsCallable(func) is true, then return an
+ implementation-dependent String source code representation of func.
+ The representation must have the syntax of a NativeFunction.
+ ...
+
+ NativeFunction:
+ function IdentifierName_opt ( FormalParameters ) { [ native code ] }
+
+features: [Proxy]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+assertNativeFunction(new Proxy(function() {}.bind({}), {}));
+assertNativeFunction(new Proxy(function() {}.bind({}), { apply() {} }).apply);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-class.js b/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-class.js
new file mode 100644
index 0000000000..c05d1b7139
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-class.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2018 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-function.prototype.tostring
+description: >
+ toString of Proxy for function target does not throw (Class Expression)
+info: |
+ ...
+ If Type(func) is Object and IsCallable(func) is true, then return an
+ implementation-dependent String source code representation of func.
+ The representation must have the syntax of a NativeFunction.
+ ...
+
+ NativeFunction:
+ function IdentifierName_opt ( FormalParameters ) { [ native code ] }
+
+features: [class, Proxy]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+assertNativeFunction(new Proxy(class {}, {}));
+assertNativeFunction(new Proxy(class {}, { apply() {} }).apply);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-function-expression.js b/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-function-expression.js
new file mode 100644
index 0000000000..13fe06881a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-function-expression.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2018 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-function.prototype.tostring
+description: >
+ toString of Proxy for function target does not throw (Function Expression)
+info: |
+ ...
+ If Type(func) is Object and IsCallable(func) is true, then return an
+ implementation-dependent String source code representation of func.
+ The representation must have the syntax of a NativeFunction.
+ ...
+
+ NativeFunction:
+ function IdentifierName_opt ( FormalParameters ) { [ native code ] }
+
+features: [Proxy]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+assertNativeFunction(new Proxy(function() {}, {}));
+assertNativeFunction(new Proxy(function() {}, { apply() {} }).apply);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-generator-function.js b/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-generator-function.js
new file mode 100644
index 0000000000..2104740abd
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-generator-function.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2018 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-function.prototype.tostring
+description: >
+ toString of Proxy for function target does not throw (Generator Function Expression)
+info: |
+ ...
+ If Type(func) is Object and IsCallable(func) is true, then return an
+ implementation-dependent String source code representation of func.
+ The representation must have the syntax of a NativeFunction.
+ ...
+
+ NativeFunction:
+ function IdentifierName_opt ( FormalParameters ) { [ native code ] }
+
+features: [generators, Proxy]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+assertNativeFunction(new Proxy(function * () {}, {}));
+assertNativeFunction(new Proxy(function * () {}, { apply() {} }).apply);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-method-definition.js b/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-method-definition.js
new file mode 100644
index 0000000000..5fc85fbcf9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-method-definition.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2018 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-function.prototype.tostring
+description: >
+ toString of Proxy for function target does not throw (Method Definition)
+info: |
+ ...
+ If Type(func) is Object and IsCallable(func) is true, then return an
+ implementation-dependent String source code representation of func.
+ The representation must have the syntax of a NativeFunction.
+ ...
+
+ NativeFunction:
+ function IdentifierName_opt ( FormalParameters ) { [ native code ] }
+
+features: [Proxy]
+includes: [nativeFunctionMatcher.js]
+---*/
+
+assertNativeFunction(new Proxy({ method() {} }.method, {}));
+assertNativeFunction(new Proxy({ method() {} }.method, { apply() {} }).apply);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-non-callable-throws.js b/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-non-callable-throws.js
new file mode 100644
index 0000000000..764bccf8b0
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/proxy-non-callable-throws.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2018 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-function.prototype.tostring
+description: >
+ toString of Proxy for non-callable target throws
+info: |
+ ...
+ Throw a TypeError exception.
+
+features: [Proxy]
+---*/
+
+assert.throws(TypeError, function() {
+ Function.prototype.toString.call(new Proxy({}, {}));
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/setter-class-expression-static.js b/js/src/tests/test262/built-ins/Function/prototype/toString/setter-class-expression-static.js
new file mode 100644
index 0000000000..301ee40dcf
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/setter-class-expression-static.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-method-definitions-runtime-semantics-propertydefinitionevaluation
+description: Function.prototype.toString on a setter (class; static)
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let x = "h";
+let f = Object.getOwnPropertyDescriptor(class { static /* before */set /* a */ f /* b */ ( /* c */ a /* d */ ) /* e */ { /* f */ }/* after */ }, "f").set;
+let g = Object.getOwnPropertyDescriptor(class { static /* before */set /* a */ [ /* b */ "g" /* c */ ] /* d */ ( /* e */ a /* f */ ) /* g */ { /* h */ }/* after */ }, "g").set;
+let h = Object.getOwnPropertyDescriptor(class { static /* before */set /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ a /* f */ ) /* g */ { /* h */ }/* after */ }, "h").set;
+
+assertToStringOrNativeFunction(f, "set /* a */ f /* b */ ( /* c */ a /* d */ ) /* e */ { /* f */ }");
+assertToStringOrNativeFunction(g, "set /* a */ [ /* b */ \"g\" /* c */ ] /* d */ ( /* e */ a /* f */ ) /* g */ { /* h */ }");
+assertToStringOrNativeFunction(h, "set /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ a /* f */ ) /* g */ { /* h */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/setter-class-expression.js b/js/src/tests/test262/built-ins/Function/prototype/toString/setter-class-expression.js
new file mode 100644
index 0000000000..3908785a67
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/setter-class-expression.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-method-definitions-runtime-semantics-propertydefinitionevaluation
+description: Function.prototype.toString on a setter (class)
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let x = "h";
+let f = Object.getOwnPropertyDescriptor(class { /* before */set /* a */ f /* b */ ( /* c */ a /* d */ ) /* e */ { /* f */ }/* after */ }.prototype, "f").set;
+let g = Object.getOwnPropertyDescriptor(class { /* before */set /* a */ [ /* b */ "g" /* c */ ] /* d */ ( /* e */ a /* f */ ) /* g */ { /* h */ }/* after */ }.prototype, "g").set;
+let h = Object.getOwnPropertyDescriptor(class { /* before */set /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ a /* f */ ) /* g */ { /* h */ }/* after */ }.prototype, "h").set;
+
+assertToStringOrNativeFunction(f, "set /* a */ f /* b */ ( /* c */ a /* d */ ) /* e */ { /* f */ }");
+assertToStringOrNativeFunction(g, "set /* a */ [ /* b */ \"g\" /* c */ ] /* d */ ( /* e */ a /* f */ ) /* g */ { /* h */ }");
+assertToStringOrNativeFunction(h, "set /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ a /* f */ ) /* g */ { /* h */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/setter-class-statement-static.js b/js/src/tests/test262/built-ins/Function/prototype/toString/setter-class-statement-static.js
new file mode 100644
index 0000000000..a5f3caaae9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/setter-class-statement-static.js
@@ -0,0 +1,23 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-method-definitions-runtime-semantics-propertydefinitionevaluation
+description: Function.prototype.toString on a setter (class; static)
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let x = "h";
+class F { static /* before */set /* a */ f /* b */ ( /* c */ a /* d */ ) /* e */ { /* f */ }/* after */ }
+class G { static /* before */set /* a */ [ /* b */ "g" /* c */ ] /* d */ ( /* e */ a /* f */ ) /* g */ { /* h */ }/* after */ }
+class H { static /* before */set /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ a /* f */ ) /* g */ { /* h */ }/* after */ }
+
+let f = Object.getOwnPropertyDescriptor(F, "f").set;
+let g = Object.getOwnPropertyDescriptor(G, "g").set;
+let h = Object.getOwnPropertyDescriptor(H, "h").set;
+
+assertToStringOrNativeFunction(f, "set /* a */ f /* b */ ( /* c */ a /* d */ ) /* e */ { /* f */ }");
+assertToStringOrNativeFunction(g, "set /* a */ [ /* b */ \"g\" /* c */ ] /* d */ ( /* e */ a /* f */ ) /* g */ { /* h */ }");
+assertToStringOrNativeFunction(h, "set /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ a /* f */ ) /* g */ { /* h */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/setter-class-statement.js b/js/src/tests/test262/built-ins/Function/prototype/toString/setter-class-statement.js
new file mode 100644
index 0000000000..319d2e2556
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/setter-class-statement.js
@@ -0,0 +1,23 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-method-definitions-runtime-semantics-propertydefinitionevaluation
+description: Function.prototype.toString on a setter (class)
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let x = "h";
+class F { /* before */set /* a */ f /* b */ ( /* c */ a /* d */ ) /* e */ { /* f */ }/* after */ }
+class G { /* before */set /* a */ [ /* b */ "g" /* c */ ] /* d */ ( /* e */ a /* f */ ) /* g */ { /* h */ }/* after */ }
+class H { /* before */set /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ a /* f */ ) /* g */ { /* h */ }/* after */ }
+
+let f = Object.getOwnPropertyDescriptor(F.prototype, "f").set;
+let g = Object.getOwnPropertyDescriptor(G.prototype, "g").set;
+let h = Object.getOwnPropertyDescriptor(H.prototype, "h").set;
+
+assertToStringOrNativeFunction(f, "set /* a */ f /* b */ ( /* c */ a /* d */ ) /* e */ { /* f */ }");
+assertToStringOrNativeFunction(g, "set /* a */ [ /* b */ \"g\" /* c */ ] /* d */ ( /* e */ a /* f */ ) /* g */ { /* h */ }");
+assertToStringOrNativeFunction(h, "set /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ a /* f */ ) /* g */ { /* h */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/setter-object.js b/js/src/tests/test262/built-ins/Function/prototype/toString/setter-object.js
new file mode 100644
index 0000000000..41c3953a3a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/setter-object.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-method-definitions-runtime-semantics-propertydefinitionevaluation
+description: Function.prototype.toString on a setter (object)
+includes: [nativeFunctionMatcher.js]
+---*/
+
+let x = "h";
+let f = Object.getOwnPropertyDescriptor({ /* before */set /* a */ f /* b */ ( /* c */ a /* d */ ) /* e */ { /* f */ }/* after */ }, "f").set;
+let g = Object.getOwnPropertyDescriptor({ /* before */set /* a */ [ /* b */ "g" /* c */ ] /* d */ ( /* e */ a /* f */ ) /* g */ { /* h */ }/* after */ }, "g").set;
+let h = Object.getOwnPropertyDescriptor({ /* before */set /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ a /* f */ ) /* g */ { /* h */ }/* after */ }, "h").set;
+
+assertToStringOrNativeFunction(f, "set /* a */ f /* b */ ( /* c */ a /* d */ ) /* e */ { /* f */ }");
+assertToStringOrNativeFunction(g, "set /* a */ [ /* b */ \"g\" /* c */ ] /* d */ ( /* e */ a /* f */ ) /* g */ { /* h */ }");
+assertToStringOrNativeFunction(h, "set /* a */ [ /* b */ x /* c */ ] /* d */ ( /* e */ a /* f */ ) /* g */ { /* h */ }");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/shell.js b/js/src/tests/test262/built-ins/Function/prototype/toString/shell.js
new file mode 100644
index 0000000000..6b85ec8539
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/shell.js
@@ -0,0 +1,514 @@
+// GENERATED, DO NOT EDIT
+// file: nativeFunctionMatcher.js
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: Assert _NativeFunction_ Syntax
+info: |
+ NativeFunction :
+ function _NativeFunctionAccessor_ opt _IdentifierName_ opt ( _FormalParameters_ ) { [ native code ] }
+ NativeFunctionAccessor :
+ get
+ set
+defines:
+ - assertToStringOrNativeFunction
+ - assertNativeFunction
+ - validateNativeFunctionSource
+---*/
+
+const validateNativeFunctionSource = function(source) {
+ // These regexes should be kept up to date with Unicode using `regexpu-core`.
+ // `/\p{ID_Start}/u`
+ const UnicodeIDStart = /(?:[A-Za-z\xAA\xB5\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0370-\u0374\u0376\u0377\u037A-\u037D\u037F\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u048A-\u052F\u0531-\u0556\u0559\u0560-\u0588\u05D0-\u05EA\u05EF-\u05F2\u0620-\u064A\u066E\u066F\u0671-\u06D3\u06D5\u06E5\u06E6\u06EE\u06EF\u06FA-\u06FC\u06FF\u0710\u0712-\u072F\u074D-\u07A5\u07B1\u07CA-\u07EA\u07F4\u07F5\u07FA\u0800-\u0815\u081A\u0824\u0828\u0840-\u0858\u0860-\u086A\u08A0-\u08B4\u08B6-\u08C7\u0904-\u0939\u093D\u0950\u0958-\u0961\u0971-\u0980\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BD\u09CE\u09DC\u09DD\u09DF-\u09E1\u09F0\u09F1\u09FC\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A59-\u0A5C\u0A5E\u0A72-\u0A74\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABD\u0AD0\u0AE0\u0AE1\u0AF9\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3D\u0B5C\u0B5D\u0B5F-\u0B61\u0B71\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BD0\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C39\u0C3D\u0C58-\u0C5A\u0C60\u0C61\u0C80\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBD\u0CDE\u0CE0\u0CE1\u0CF1\u0CF2\u0D04-\u0D0C\u0D0E-\u0D10\u0D12-\u0D3A\u0D3D\u0D4E\u0D54-\u0D56\u0D5F-\u0D61\u0D7A-\u0D7F\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0E01-\u0E30\u0E32\u0E33\u0E40-\u0E46\u0E81\u0E82\u0E84\u0E86-\u0E8A\u0E8C-\u0EA3\u0EA5\u0EA7-\u0EB0\u0EB2\u0EB3\u0EBD\u0EC0-\u0EC4\u0EC6\u0EDC-\u0EDF\u0F00\u0F40-\u0F47\u0F49-\u0F6C\u0F88-\u0F8C\u1000-\u102A\u103F\u1050-\u1055\u105A-\u105D\u1061\u1065\u1066\u106E-\u1070\u1075-\u1081\u108E\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u1380-\u138F\u13A0-\u13F5\u13F8-\u13FD\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16EE-\u16F8\u1700-\u170C\u170E-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176C\u176E-\u1770\u1780-\u17B3\u17D7\u17DC\u1820-\u1878\u1880-\u18A8\u18AA\u18B0-\u18F5\u1900-\u191E\u1950-\u196D\u1970-\u1974\u1980-\u19AB\u19B0-\u19C9\u1A00-\u1A16\u1A20-\u1A54\u1AA7\u1B05-\u1B33\u1B45-\u1B4B\u1B83-\u1BA0\u1BAE\u1BAF\u1BBA-\u1BE5\u1C00-\u1C23\u1C4D-\u1C4F\u1C5A-\u1C7D\u1C80-\u1C88\u1C90-\u1CBA\u1CBD-\u1CBF\u1CE9-\u1CEC\u1CEE-\u1CF3\u1CF5\u1CF6\u1CFA\u1D00-\u1DBF\u1E00-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u2071\u207F\u2090-\u209C\u2102\u2107\u210A-\u2113\u2115\u2118-\u211D\u2124\u2126\u2128\u212A-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2160-\u2188\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CEE\u2CF2\u2CF3\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D80-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303C\u3041-\u3096\u309B-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312F\u3131-\u318E\u31A0-\u31BF\u31F0-\u31FF\u3400-\u4DBF\u4E00-\u9FFC\uA000-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA61F\uA62A\uA62B\uA640-\uA66E\uA67F-\uA69D\uA6A0-\uA6EF\uA717-\uA71F\uA722-\uA788\uA78B-\uA7BF\uA7C2-\uA7CA\uA7F5-\uA801\uA803-\uA805\uA807-\uA80A\uA80C-\uA822\uA840-\uA873\uA882-\uA8B3\uA8F2-\uA8F7\uA8FB\uA8FD\uA8FE\uA90A-\uA925\uA930-\uA946\uA960-\uA97C\uA984-\uA9B2\uA9CF\uA9E0-\uA9E4\uA9E6-\uA9EF\uA9FA-\uA9FE\uAA00-\uAA28\uAA40-\uAA42\uAA44-\uAA4B\uAA60-\uAA76\uAA7A\uAA7E-\uAAAF\uAAB1\uAAB5\uAAB6\uAAB9-\uAABD\uAAC0\uAAC2\uAADB-\uAADD\uAAE0-\uAAEA\uAAF2-\uAAF4\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uAB30-\uAB5A\uAB5C-\uAB69\uAB70-\uABE2\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D\uFB1F-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE70-\uFE74\uFE76-\uFEFC\uFF21-\uFF3A\uFF41-\uFF5A\uFF66-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC]|\uD800[\uDC00-\uDC0B\uDC0D-\uDC26\uDC28-\uDC3A\uDC3C\uDC3D\uDC3F-\uDC4D\uDC50-\uDC5D\uDC80-\uDCFA\uDD40-\uDD74\uDE80-\uDE9C\uDEA0-\uDED0\uDF00-\uDF1F\uDF2D-\uDF4A\uDF50-\uDF75\uDF80-\uDF9D\uDFA0-\uDFC3\uDFC8-\uDFCF\uDFD1-\uDFD5]|\uD801[\uDC00-\uDC9D\uDCB0-\uDCD3\uDCD8-\uDCFB\uDD00-\uDD27\uDD30-\uDD63\uDE00-\uDF36\uDF40-\uDF55\uDF60-\uDF67]|\uD802[\uDC00-\uDC05\uDC08\uDC0A-\uDC35\uDC37\uDC38\uDC3C\uDC3F-\uDC55\uDC60-\uDC76\uDC80-\uDC9E\uDCE0-\uDCF2\uDCF4\uDCF5\uDD00-\uDD15\uDD20-\uDD39\uDD80-\uDDB7\uDDBE\uDDBF\uDE00\uDE10-\uDE13\uDE15-\uDE17\uDE19-\uDE35\uDE60-\uDE7C\uDE80-\uDE9C\uDEC0-\uDEC7\uDEC9-\uDEE4\uDF00-\uDF35\uDF40-\uDF55\uDF60-\uDF72\uDF80-\uDF91]|\uD803[\uDC00-\uDC48\uDC80-\uDCB2\uDCC0-\uDCF2\uDD00-\uDD23\uDE80-\uDEA9\uDEB0\uDEB1\uDF00-\uDF1C\uDF27\uDF30-\uDF45\uDFB0-\uDFC4\uDFE0-\uDFF6]|\uD804[\uDC03-\uDC37\uDC83-\uDCAF\uDCD0-\uDCE8\uDD03-\uDD26\uDD44\uDD47\uDD50-\uDD72\uDD76\uDD83-\uDDB2\uDDC1-\uDDC4\uDDDA\uDDDC\uDE00-\uDE11\uDE13-\uDE2B\uDE80-\uDE86\uDE88\uDE8A-\uDE8D\uDE8F-\uDE9D\uDE9F-\uDEA8\uDEB0-\uDEDE\uDF05-\uDF0C\uDF0F\uDF10\uDF13-\uDF28\uDF2A-\uDF30\uDF32\uDF33\uDF35-\uDF39\uDF3D\uDF50\uDF5D-\uDF61]|\uD805[\uDC00-\uDC34\uDC47-\uDC4A\uDC5F-\uDC61\uDC80-\uDCAF\uDCC4\uDCC5\uDCC7\uDD80-\uDDAE\uDDD8-\uDDDB\uDE00-\uDE2F\uDE44\uDE80-\uDEAA\uDEB8\uDF00-\uDF1A]|\uD806[\uDC00-\uDC2B\uDCA0-\uDCDF\uDCFF-\uDD06\uDD09\uDD0C-\uDD13\uDD15\uDD16\uDD18-\uDD2F\uDD3F\uDD41\uDDA0-\uDDA7\uDDAA-\uDDD0\uDDE1\uDDE3\uDE00\uDE0B-\uDE32\uDE3A\uDE50\uDE5C-\uDE89\uDE9D\uDEC0-\uDEF8]|\uD807[\uDC00-\uDC08\uDC0A-\uDC2E\uDC40\uDC72-\uDC8F\uDD00-\uDD06\uDD08\uDD09\uDD0B-\uDD30\uDD46\uDD60-\uDD65\uDD67\uDD68\uDD6A-\uDD89\uDD98\uDEE0-\uDEF2\uDFB0]|\uD808[\uDC00-\uDF99]|\uD809[\uDC00-\uDC6E\uDC80-\uDD43]|[\uD80C\uD81C-\uD820\uD822\uD840-\uD868\uD86A-\uD86C\uD86F-\uD872\uD874-\uD879\uD880-\uD883][\uDC00-\uDFFF]|\uD80D[\uDC00-\uDC2E]|\uD811[\uDC00-\uDE46]|\uD81A[\uDC00-\uDE38\uDE40-\uDE5E\uDED0-\uDEED\uDF00-\uDF2F\uDF40-\uDF43\uDF63-\uDF77\uDF7D-\uDF8F]|\uD81B[\uDE40-\uDE7F\uDF00-\uDF4A\uDF50\uDF93-\uDF9F\uDFE0\uDFE1\uDFE3]|\uD821[\uDC00-\uDFF7]|\uD823[\uDC00-\uDCD5\uDD00-\uDD08]|\uD82C[\uDC00-\uDD1E\uDD50-\uDD52\uDD64-\uDD67\uDD70-\uDEFB]|\uD82F[\uDC00-\uDC6A\uDC70-\uDC7C\uDC80-\uDC88\uDC90-\uDC99]|\uD835[\uDC00-\uDC54\uDC56-\uDC9C\uDC9E\uDC9F\uDCA2\uDCA5\uDCA6\uDCA9-\uDCAC\uDCAE-\uDCB9\uDCBB\uDCBD-\uDCC3\uDCC5-\uDD05\uDD07-\uDD0A\uDD0D-\uDD14\uDD16-\uDD1C\uDD1E-\uDD39\uDD3B-\uDD3E\uDD40-\uDD44\uDD46\uDD4A-\uDD50\uDD52-\uDEA5\uDEA8-\uDEC0\uDEC2-\uDEDA\uDEDC-\uDEFA\uDEFC-\uDF14\uDF16-\uDF34\uDF36-\uDF4E\uDF50-\uDF6E\uDF70-\uDF88\uDF8A-\uDFA8\uDFAA-\uDFC2\uDFC4-\uDFCB]|\uD838[\uDD00-\uDD2C\uDD37-\uDD3D\uDD4E\uDEC0-\uDEEB]|\uD83A[\uDC00-\uDCC4\uDD00-\uDD43\uDD4B]|\uD83B[\uDE00-\uDE03\uDE05-\uDE1F\uDE21\uDE22\uDE24\uDE27\uDE29-\uDE32\uDE34-\uDE37\uDE39\uDE3B\uDE42\uDE47\uDE49\uDE4B\uDE4D-\uDE4F\uDE51\uDE52\uDE54\uDE57\uDE59\uDE5B\uDE5D\uDE5F\uDE61\uDE62\uDE64\uDE67-\uDE6A\uDE6C-\uDE72\uDE74-\uDE77\uDE79-\uDE7C\uDE7E\uDE80-\uDE89\uDE8B-\uDE9B\uDEA1-\uDEA3\uDEA5-\uDEA9\uDEAB-\uDEBB]|\uD869[\uDC00-\uDEDD\uDF00-\uDFFF]|\uD86D[\uDC00-\uDF34\uDF40-\uDFFF]|\uD86E[\uDC00-\uDC1D\uDC20-\uDFFF]|\uD873[\uDC00-\uDEA1\uDEB0-\uDFFF]|\uD87A[\uDC00-\uDFE0]|\uD87E[\uDC00-\uDE1D]|\uD884[\uDC00-\uDF4A])/;
+ // `/\p{ID_Continue}/u`
+ const UnicodeIDContinue = /(?:[0-9A-Z_a-z\xAA\xB5\xB7\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0300-\u0374\u0376\u0377\u037A-\u037D\u037F\u0386-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u0483-\u0487\u048A-\u052F\u0531-\u0556\u0559\u0560-\u0588\u0591-\u05BD\u05BF\u05C1\u05C2\u05C4\u05C5\u05C7\u05D0-\u05EA\u05EF-\u05F2\u0610-\u061A\u0620-\u0669\u066E-\u06D3\u06D5-\u06DC\u06DF-\u06E8\u06EA-\u06FC\u06FF\u0710-\u074A\u074D-\u07B1\u07C0-\u07F5\u07FA\u07FD\u0800-\u082D\u0840-\u085B\u0860-\u086A\u08A0-\u08B4\u08B6-\u08C7\u08D3-\u08E1\u08E3-\u0963\u0966-\u096F\u0971-\u0983\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BC-\u09C4\u09C7\u09C8\u09CB-\u09CE\u09D7\u09DC\u09DD\u09DF-\u09E3\u09E6-\u09F1\u09FC\u09FE\u0A01-\u0A03\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A3C\u0A3E-\u0A42\u0A47\u0A48\u0A4B-\u0A4D\u0A51\u0A59-\u0A5C\u0A5E\u0A66-\u0A75\u0A81-\u0A83\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABC-\u0AC5\u0AC7-\u0AC9\u0ACB-\u0ACD\u0AD0\u0AE0-\u0AE3\u0AE6-\u0AEF\u0AF9-\u0AFF\u0B01-\u0B03\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3C-\u0B44\u0B47\u0B48\u0B4B-\u0B4D\u0B55-\u0B57\u0B5C\u0B5D\u0B5F-\u0B63\u0B66-\u0B6F\u0B71\u0B82\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BBE-\u0BC2\u0BC6-\u0BC8\u0BCA-\u0BCD\u0BD0\u0BD7\u0BE6-\u0BEF\u0C00-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C39\u0C3D-\u0C44\u0C46-\u0C48\u0C4A-\u0C4D\u0C55\u0C56\u0C58-\u0C5A\u0C60-\u0C63\u0C66-\u0C6F\u0C80-\u0C83\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBC-\u0CC4\u0CC6-\u0CC8\u0CCA-\u0CCD\u0CD5\u0CD6\u0CDE\u0CE0-\u0CE3\u0CE6-\u0CEF\u0CF1\u0CF2\u0D00-\u0D0C\u0D0E-\u0D10\u0D12-\u0D44\u0D46-\u0D48\u0D4A-\u0D4E\u0D54-\u0D57\u0D5F-\u0D63\u0D66-\u0D6F\u0D7A-\u0D7F\u0D81-\u0D83\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0DCA\u0DCF-\u0DD4\u0DD6\u0DD8-\u0DDF\u0DE6-\u0DEF\u0DF2\u0DF3\u0E01-\u0E3A\u0E40-\u0E4E\u0E50-\u0E59\u0E81\u0E82\u0E84\u0E86-\u0E8A\u0E8C-\u0EA3\u0EA5\u0EA7-\u0EBD\u0EC0-\u0EC4\u0EC6\u0EC8-\u0ECD\u0ED0-\u0ED9\u0EDC-\u0EDF\u0F00\u0F18\u0F19\u0F20-\u0F29\u0F35\u0F37\u0F39\u0F3E-\u0F47\u0F49-\u0F6C\u0F71-\u0F84\u0F86-\u0F97\u0F99-\u0FBC\u0FC6\u1000-\u1049\u1050-\u109D\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u135D-\u135F\u1369-\u1371\u1380-\u138F\u13A0-\u13F5\u13F8-\u13FD\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16EE-\u16F8\u1700-\u170C\u170E-\u1714\u1720-\u1734\u1740-\u1753\u1760-\u176C\u176E-\u1770\u1772\u1773\u1780-\u17D3\u17D7\u17DC\u17DD\u17E0-\u17E9\u180B-\u180D\u1810-\u1819\u1820-\u1878\u1880-\u18AA\u18B0-\u18F5\u1900-\u191E\u1920-\u192B\u1930-\u193B\u1946-\u196D\u1970-\u1974\u1980-\u19AB\u19B0-\u19C9\u19D0-\u19DA\u1A00-\u1A1B\u1A20-\u1A5E\u1A60-\u1A7C\u1A7F-\u1A89\u1A90-\u1A99\u1AA7\u1AB0-\u1ABD\u1ABF\u1AC0\u1B00-\u1B4B\u1B50-\u1B59\u1B6B-\u1B73\u1B80-\u1BF3\u1C00-\u1C37\u1C40-\u1C49\u1C4D-\u1C7D\u1C80-\u1C88\u1C90-\u1CBA\u1CBD-\u1CBF\u1CD0-\u1CD2\u1CD4-\u1CFA\u1D00-\u1DF9\u1DFB-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u203F\u2040\u2054\u2071\u207F\u2090-\u209C\u20D0-\u20DC\u20E1\u20E5-\u20F0\u2102\u2107\u210A-\u2113\u2115\u2118-\u211D\u2124\u2126\u2128\u212A-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2160-\u2188\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CF3\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D7F-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u2DE0-\u2DFF\u3005-\u3007\u3021-\u302F\u3031-\u3035\u3038-\u303C\u3041-\u3096\u3099-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312F\u3131-\u318E\u31A0-\u31BF\u31F0-\u31FF\u3400-\u4DBF\u4E00-\u9FFC\uA000-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA62B\uA640-\uA66F\uA674-\uA67D\uA67F-\uA6F1\uA717-\uA71F\uA722-\uA788\uA78B-\uA7BF\uA7C2-\uA7CA\uA7F5-\uA827\uA82C\uA840-\uA873\uA880-\uA8C5\uA8D0-\uA8D9\uA8E0-\uA8F7\uA8FB\uA8FD-\uA92D\uA930-\uA953\uA960-\uA97C\uA980-\uA9C0\uA9CF-\uA9D9\uA9E0-\uA9FE\uAA00-\uAA36\uAA40-\uAA4D\uAA50-\uAA59\uAA60-\uAA76\uAA7A-\uAAC2\uAADB-\uAADD\uAAE0-\uAAEF\uAAF2-\uAAF6\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uAB30-\uAB5A\uAB5C-\uAB69\uAB70-\uABEA\uABEC\uABED\uABF0-\uABF9\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE00-\uFE0F\uFE20-\uFE2F\uFE33\uFE34\uFE4D-\uFE4F\uFE70-\uFE74\uFE76-\uFEFC\uFF10-\uFF19\uFF21-\uFF3A\uFF3F\uFF41-\uFF5A\uFF66-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC]|\uD800[\uDC00-\uDC0B\uDC0D-\uDC26\uDC28-\uDC3A\uDC3C\uDC3D\uDC3F-\uDC4D\uDC50-\uDC5D\uDC80-\uDCFA\uDD40-\uDD74\uDDFD\uDE80-\uDE9C\uDEA0-\uDED0\uDEE0\uDF00-\uDF1F\uDF2D-\uDF4A\uDF50-\uDF7A\uDF80-\uDF9D\uDFA0-\uDFC3\uDFC8-\uDFCF\uDFD1-\uDFD5]|\uD801[\uDC00-\uDC9D\uDCA0-\uDCA9\uDCB0-\uDCD3\uDCD8-\uDCFB\uDD00-\uDD27\uDD30-\uDD63\uDE00-\uDF36\uDF40-\uDF55\uDF60-\uDF67]|\uD802[\uDC00-\uDC05\uDC08\uDC0A-\uDC35\uDC37\uDC38\uDC3C\uDC3F-\uDC55\uDC60-\uDC76\uDC80-\uDC9E\uDCE0-\uDCF2\uDCF4\uDCF5\uDD00-\uDD15\uDD20-\uDD39\uDD80-\uDDB7\uDDBE\uDDBF\uDE00-\uDE03\uDE05\uDE06\uDE0C-\uDE13\uDE15-\uDE17\uDE19-\uDE35\uDE38-\uDE3A\uDE3F\uDE60-\uDE7C\uDE80-\uDE9C\uDEC0-\uDEC7\uDEC9-\uDEE6\uDF00-\uDF35\uDF40-\uDF55\uDF60-\uDF72\uDF80-\uDF91]|\uD803[\uDC00-\uDC48\uDC80-\uDCB2\uDCC0-\uDCF2\uDD00-\uDD27\uDD30-\uDD39\uDE80-\uDEA9\uDEAB\uDEAC\uDEB0\uDEB1\uDF00-\uDF1C\uDF27\uDF30-\uDF50\uDFB0-\uDFC4\uDFE0-\uDFF6]|\uD804[\uDC00-\uDC46\uDC66-\uDC6F\uDC7F-\uDCBA\uDCD0-\uDCE8\uDCF0-\uDCF9\uDD00-\uDD34\uDD36-\uDD3F\uDD44-\uDD47\uDD50-\uDD73\uDD76\uDD80-\uDDC4\uDDC9-\uDDCC\uDDCE-\uDDDA\uDDDC\uDE00-\uDE11\uDE13-\uDE37\uDE3E\uDE80-\uDE86\uDE88\uDE8A-\uDE8D\uDE8F-\uDE9D\uDE9F-\uDEA8\uDEB0-\uDEEA\uDEF0-\uDEF9\uDF00-\uDF03\uDF05-\uDF0C\uDF0F\uDF10\uDF13-\uDF28\uDF2A-\uDF30\uDF32\uDF33\uDF35-\uDF39\uDF3B-\uDF44\uDF47\uDF48\uDF4B-\uDF4D\uDF50\uDF57\uDF5D-\uDF63\uDF66-\uDF6C\uDF70-\uDF74]|\uD805[\uDC00-\uDC4A\uDC50-\uDC59\uDC5E-\uDC61\uDC80-\uDCC5\uDCC7\uDCD0-\uDCD9\uDD80-\uDDB5\uDDB8-\uDDC0\uDDD8-\uDDDD\uDE00-\uDE40\uDE44\uDE50-\uDE59\uDE80-\uDEB8\uDEC0-\uDEC9\uDF00-\uDF1A\uDF1D-\uDF2B\uDF30-\uDF39]|\uD806[\uDC00-\uDC3A\uDCA0-\uDCE9\uDCFF-\uDD06\uDD09\uDD0C-\uDD13\uDD15\uDD16\uDD18-\uDD35\uDD37\uDD38\uDD3B-\uDD43\uDD50-\uDD59\uDDA0-\uDDA7\uDDAA-\uDDD7\uDDDA-\uDDE1\uDDE3\uDDE4\uDE00-\uDE3E\uDE47\uDE50-\uDE99\uDE9D\uDEC0-\uDEF8]|\uD807[\uDC00-\uDC08\uDC0A-\uDC36\uDC38-\uDC40\uDC50-\uDC59\uDC72-\uDC8F\uDC92-\uDCA7\uDCA9-\uDCB6\uDD00-\uDD06\uDD08\uDD09\uDD0B-\uDD36\uDD3A\uDD3C\uDD3D\uDD3F-\uDD47\uDD50-\uDD59\uDD60-\uDD65\uDD67\uDD68\uDD6A-\uDD8E\uDD90\uDD91\uDD93-\uDD98\uDDA0-\uDDA9\uDEE0-\uDEF6\uDFB0]|\uD808[\uDC00-\uDF99]|\uD809[\uDC00-\uDC6E\uDC80-\uDD43]|[\uD80C\uD81C-\uD820\uD822\uD840-\uD868\uD86A-\uD86C\uD86F-\uD872\uD874-\uD879\uD880-\uD883][\uDC00-\uDFFF]|\uD80D[\uDC00-\uDC2E]|\uD811[\uDC00-\uDE46]|\uD81A[\uDC00-\uDE38\uDE40-\uDE5E\uDE60-\uDE69\uDED0-\uDEED\uDEF0-\uDEF4\uDF00-\uDF36\uDF40-\uDF43\uDF50-\uDF59\uDF63-\uDF77\uDF7D-\uDF8F]|\uD81B[\uDE40-\uDE7F\uDF00-\uDF4A\uDF4F-\uDF87\uDF8F-\uDF9F\uDFE0\uDFE1\uDFE3\uDFE4\uDFF0\uDFF1]|\uD821[\uDC00-\uDFF7]|\uD823[\uDC00-\uDCD5\uDD00-\uDD08]|\uD82C[\uDC00-\uDD1E\uDD50-\uDD52\uDD64-\uDD67\uDD70-\uDEFB]|\uD82F[\uDC00-\uDC6A\uDC70-\uDC7C\uDC80-\uDC88\uDC90-\uDC99\uDC9D\uDC9E]|\uD834[\uDD65-\uDD69\uDD6D-\uDD72\uDD7B-\uDD82\uDD85-\uDD8B\uDDAA-\uDDAD\uDE42-\uDE44]|\uD835[\uDC00-\uDC54\uDC56-\uDC9C\uDC9E\uDC9F\uDCA2\uDCA5\uDCA6\uDCA9-\uDCAC\uDCAE-\uDCB9\uDCBB\uDCBD-\uDCC3\uDCC5-\uDD05\uDD07-\uDD0A\uDD0D-\uDD14\uDD16-\uDD1C\uDD1E-\uDD39\uDD3B-\uDD3E\uDD40-\uDD44\uDD46\uDD4A-\uDD50\uDD52-\uDEA5\uDEA8-\uDEC0\uDEC2-\uDEDA\uDEDC-\uDEFA\uDEFC-\uDF14\uDF16-\uDF34\uDF36-\uDF4E\uDF50-\uDF6E\uDF70-\uDF88\uDF8A-\uDFA8\uDFAA-\uDFC2\uDFC4-\uDFCB\uDFCE-\uDFFF]|\uD836[\uDE00-\uDE36\uDE3B-\uDE6C\uDE75\uDE84\uDE9B-\uDE9F\uDEA1-\uDEAF]|\uD838[\uDC00-\uDC06\uDC08-\uDC18\uDC1B-\uDC21\uDC23\uDC24\uDC26-\uDC2A\uDD00-\uDD2C\uDD30-\uDD3D\uDD40-\uDD49\uDD4E\uDEC0-\uDEF9]|\uD83A[\uDC00-\uDCC4\uDCD0-\uDCD6\uDD00-\uDD4B\uDD50-\uDD59]|\uD83B[\uDE00-\uDE03\uDE05-\uDE1F\uDE21\uDE22\uDE24\uDE27\uDE29-\uDE32\uDE34-\uDE37\uDE39\uDE3B\uDE42\uDE47\uDE49\uDE4B\uDE4D-\uDE4F\uDE51\uDE52\uDE54\uDE57\uDE59\uDE5B\uDE5D\uDE5F\uDE61\uDE62\uDE64\uDE67-\uDE6A\uDE6C-\uDE72\uDE74-\uDE77\uDE79-\uDE7C\uDE7E\uDE80-\uDE89\uDE8B-\uDE9B\uDEA1-\uDEA3\uDEA5-\uDEA9\uDEAB-\uDEBB]|\uD83E[\uDFF0-\uDFF9]|\uD869[\uDC00-\uDEDD\uDF00-\uDFFF]|\uD86D[\uDC00-\uDF34\uDF40-\uDFFF]|\uD86E[\uDC00-\uDC1D\uDC20-\uDFFF]|\uD873[\uDC00-\uDEA1\uDEB0-\uDFFF]|\uD87A[\uDC00-\uDFE0]|\uD87E[\uDC00-\uDE1D]|\uD884[\uDC00-\uDF4A]|\uDB40[\uDD00-\uDDEF])/;
+ // `/\p{Space_Separator}/u`
+ const UnicodeSpaceSeparator = /[ \xA0\u1680\u2000-\u200A\u202F\u205F\u3000]/;
+
+ const isNewline = (c) => /[\u000A\u000D\u2028\u2029]/u.test(c);
+ const isWhitespace = (c) => /[\u0009\u000B\u000C\u0020\u00A0\uFEFF]/u.test(c) || UnicodeSpaceSeparator.test(c);
+
+ let pos = 0;
+
+ const eatWhitespace = () => {
+ while (pos < source.length) {
+ const c = source[pos];
+ if (isWhitespace(c) || isNewline(c)) {
+ pos += 1;
+ continue;
+ }
+
+ if (c === '/') {
+ if (source[pos + 1] === '/') {
+ while (pos < source.length) {
+ if (isNewline(source[pos])) {
+ break;
+ }
+ pos += 1;
+ }
+ continue;
+ }
+ if (source[pos + 1] === '*') {
+ const end = source.indexOf('*/', pos);
+ if (end === -1) {
+ throw new SyntaxError();
+ }
+ pos = end + '*/'.length;
+ continue;
+ }
+ }
+
+ break;
+ }
+ };
+
+ const getIdentifier = () => {
+ eatWhitespace();
+
+ const start = pos;
+ let end = pos;
+ switch (source[end]) {
+ case '_':
+ case '$':
+ end += 1;
+ break;
+ default:
+ if (UnicodeIDStart.test(source[end])) {
+ end += 1;
+ break;
+ }
+ return null;
+ }
+ while (end < source.length) {
+ const c = source[end];
+ switch (c) {
+ case '_':
+ case '$':
+ end += 1;
+ break;
+ default:
+ if (UnicodeIDContinue.test(c)) {
+ end += 1;
+ break;
+ }
+ return source.slice(start, end);
+ }
+ }
+ return source.slice(start, end);
+ };
+
+ const test = (s) => {
+ eatWhitespace();
+
+ if (/\w/.test(s)) {
+ return getIdentifier() === s;
+ }
+ return source.slice(pos, pos + s.length) === s;
+ };
+
+ const eat = (s) => {
+ if (test(s)) {
+ pos += s.length;
+ return true;
+ }
+ return false;
+ };
+
+ const eatIdentifier = () => {
+ const n = getIdentifier();
+ if (n !== null) {
+ pos += n.length;
+ return true;
+ }
+ return false;
+ };
+
+ const expect = (s) => {
+ if (!eat(s)) {
+ throw new SyntaxError();
+ }
+ };
+
+ const eatString = () => {
+ if (source[pos] === '\'' || source[pos] === '"') {
+ const match = source[pos];
+ pos += 1;
+ while (pos < source.length) {
+ if (source[pos] === match && source[pos - 1] !== '\\') {
+ return;
+ }
+ if (isNewline(source[pos])) {
+ throw new SyntaxError();
+ }
+ pos += 1;
+ }
+ throw new SyntaxError();
+ }
+ };
+
+ // "Stumble" through source text until matching character is found.
+ // Assumes ECMAScript syntax keeps `[]` and `()` balanced.
+ const stumbleUntil = (c) => {
+ const match = {
+ ']': '[',
+ ')': '(',
+ }[c];
+ let nesting = 1;
+ while (pos < source.length) {
+ eatWhitespace();
+ eatString(); // Strings may contain unbalanced characters.
+ if (source[pos] === match) {
+ nesting += 1;
+ } else if (source[pos] === c) {
+ nesting -= 1;
+ }
+ pos += 1;
+ if (nesting === 0) {
+ return;
+ }
+ }
+ throw new SyntaxError();
+ };
+
+ // function
+ expect('function');
+
+ // NativeFunctionAccessor
+ eat('get') || eat('set');
+
+ // PropertyName
+ if (!eatIdentifier() && eat('[')) {
+ stumbleUntil(']');
+ }
+
+ // ( FormalParameters )
+ expect('(');
+ stumbleUntil(')');
+
+ // {
+ expect('{');
+
+ // [native code]
+ expect('[');
+ expect('native');
+ expect('code');
+ expect(']');
+
+ // }
+ expect('}');
+
+ eatWhitespace();
+ if (pos !== source.length) {
+ throw new SyntaxError();
+ }
+};
+
+const assertToStringOrNativeFunction = function(fn, expected) {
+ const actual = "" + fn;
+ try {
+ assert.sameValue(actual, expected);
+ } catch (unused) {
+ assertNativeFunction(fn, expected);
+ }
+};
+
+const assertNativeFunction = function(fn, special) {
+ const actual = "" + fn;
+ try {
+ validateNativeFunctionSource(actual);
+ } catch (unused) {
+ throw new Test262Error('Conforms to NativeFunction Syntax: ' + JSON.stringify(actual) + (special ? ' (' + special + ')' : ''));
+ }
+};
+
+// file: wellKnownIntrinsicObjects.js
+// Copyright (C) 2018 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: |
+ An Array of all representable Well-Known Intrinsic Objects
+defines: [WellKnownIntrinsicObjects]
+---*/
+
+const WellKnownIntrinsicObjects = [
+ {
+ name: '%AggregateError%',
+ source: 'AggregateError',
+ },
+ {
+ name: '%Array%',
+ source: 'Array',
+ },
+ {
+ name: '%ArrayBuffer%',
+ source: 'ArrayBuffer',
+ },
+ {
+ name: '%ArrayIteratorPrototype%',
+ source: 'Object.getPrototypeOf([][Symbol.iterator]())',
+ },
+ {
+ name: '%AsyncFromSyncIteratorPrototype%',
+ source: 'undefined',
+ },
+ {
+ name: '%AsyncFunction%',
+ source: '(async function() {}).constructor',
+ },
+ {
+ name: '%AsyncGeneratorFunction%',
+ source: 'Object.getPrototypeOf(async function * () {})',
+ },
+ {
+ name: '%AsyncIteratorPrototype%',
+ source: '((async function * () {})())[Symbol.asyncIterator]()',
+ },
+ {
+ name: '%Atomics%',
+ source: 'Atomics',
+ },
+ {
+ name: '%BigInt%',
+ source: 'BigInt',
+ },
+ {
+ name: '%BigInt64Array%',
+ source: 'BigInt64Array',
+ },
+ {
+ name: '%BigUint64Array%',
+ source: 'BigUint64Array',
+ },
+ {
+ name: '%Boolean%',
+ source: 'Boolean',
+ },
+ {
+ name: '%DataView%',
+ source: 'DataView',
+ },
+ {
+ name: '%Date%',
+ source: 'Date',
+ },
+ {
+ name: '%decodeURI%',
+ source: 'decodeURI',
+ },
+ {
+ name: '%decodeURIComponent%',
+ source: 'decodeURIComponent',
+ },
+ {
+ name: '%encodeURI%',
+ source: 'encodeURI',
+ },
+ {
+ name: '%encodeURIComponent%',
+ source: 'encodeURIComponent',
+ },
+ {
+ name: '%Error%',
+ source: 'Error',
+ },
+ {
+ name: '%eval%',
+ source: 'eval',
+ },
+ {
+ name: '%EvalError%',
+ source: 'EvalError',
+ },
+ {
+ name: '%FinalizationRegistry%',
+ source: 'FinalizationRegistry',
+ },
+ {
+ name: '%Float32Array%',
+ source: 'Float32Array',
+ },
+ {
+ name: '%Float64Array%',
+ source: 'Float64Array',
+ },
+ {
+ name: '%ForInIteratorPrototype%',
+ source: '',
+ },
+ {
+ name: '%Function%',
+ source: 'Function',
+ },
+ {
+ name: '%GeneratorFunction%',
+ source: 'Object.getPrototypeOf(function * () {})',
+ },
+ {
+ name: '%Int8Array%',
+ source: 'Int8Array',
+ },
+ {
+ name: '%Int16Array%',
+ source: 'Int16Array',
+ },
+ {
+ name: '%Int32Array%',
+ source: 'Int32Array',
+ },
+ {
+ name: '%isFinite%',
+ source: 'isFinite',
+ },
+ {
+ name: '%isNaN%',
+ source: 'isNaN',
+ },
+ {
+ name: '%IteratorPrototype%',
+ source: 'Object.getPrototypeOf(Object.getPrototypeOf([][Symbol.iterator]()))',
+ },
+ {
+ name: '%JSON%',
+ source: 'JSON',
+ },
+ {
+ name: '%Map%',
+ source: 'Map',
+ },
+ {
+ name: '%MapIteratorPrototype%',
+ source: 'Object.getPrototypeOf(new Map()[Symbol.iterator]())',
+ },
+ {
+ name: '%Math%',
+ source: 'Math',
+ },
+ {
+ name: '%Number%',
+ source: 'Number',
+ },
+ {
+ name: '%Object%',
+ source: 'Object',
+ },
+ {
+ name: '%parseFloat%',
+ source: 'parseFloat',
+ },
+ {
+ name: '%parseInt%',
+ source: 'parseInt',
+ },
+ {
+ name: '%Promise%',
+ source: 'Promise',
+ },
+ {
+ name: '%Proxy%',
+ source: 'Proxy',
+ },
+ {
+ name: '%RangeError%',
+ source: 'RangeError',
+ },
+ {
+ name: '%ReferenceError%',
+ source: 'ReferenceError',
+ },
+ {
+ name: '%Reflect%',
+ source: 'Reflect',
+ },
+ {
+ name: '%RegExp%',
+ source: 'RegExp',
+ },
+ {
+ name: '%RegExpStringIteratorPrototype%',
+ source: 'RegExp.prototype[Symbol.matchAll]("")',
+ },
+ {
+ name: '%Set%',
+ source: 'Set',
+ },
+ {
+ name: '%SetIteratorPrototype%',
+ source: 'Object.getPrototypeOf(new Set()[Symbol.iterator]())',
+ },
+ {
+ name: '%SharedArrayBuffer%',
+ source: 'SharedArrayBuffer',
+ },
+ {
+ name: '%String%',
+ source: 'String',
+ },
+ {
+ name: '%StringIteratorPrototype%',
+ source: 'Object.getPrototypeOf(new String()[Symbol.iterator]())',
+ },
+ {
+ name: '%Symbol%',
+ source: 'Symbol',
+ },
+ {
+ name: '%SyntaxError%',
+ source: 'SyntaxError',
+ },
+ {
+ name: '%ThrowTypeError%',
+ source: '(function() { "use strict"; return Object.getOwnPropertyDescriptor(arguments, "callee").get })()',
+ },
+ {
+ name: '%TypedArray%',
+ source: 'Object.getPrototypeOf(Uint8Array)',
+ },
+ {
+ name: '%TypeError%',
+ source: 'TypeError',
+ },
+ {
+ name: '%Uint8Array%',
+ source: 'Uint8Array',
+ },
+ {
+ name: '%Uint8ClampedArray%',
+ source: 'Uint8ClampedArray',
+ },
+ {
+ name: '%Uint16Array%',
+ source: 'Uint16Array',
+ },
+ {
+ name: '%Uint32Array%',
+ source: 'Uint32Array',
+ },
+ {
+ name: '%URIError%',
+ source: 'URIError',
+ },
+ {
+ name: '%WeakMap%',
+ source: 'WeakMap',
+ },
+ {
+ name: '%WeakRef%',
+ source: 'WeakRef',
+ },
+ {
+ name: '%WeakSet%',
+ source: 'WeakSet',
+ },
+];
+
+WellKnownIntrinsicObjects.forEach((wkio) => {
+ var actual;
+
+ try {
+ actual = new Function("return " + wkio.source)();
+ } catch (exception) {
+ // Nothing to do here.
+ }
+
+ wkio.value = actual;
+});
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/symbol-named-builtins.js b/js/src/tests/test262/built-ins/Function/prototype/toString/symbol-named-builtins.js
new file mode 100644
index 0000000000..f9c94757b5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/symbol-named-builtins.js
@@ -0,0 +1,13 @@
+// Copyright (C) 2018 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-function.prototype.tostring
+description: Function.prototype.toString on symbol-named built-ins
+includes: [nativeFunctionMatcher.js]
+---*/
+
+assertNativeFunction(RegExp.prototype[Symbol.match]);
+assertNativeFunction(Object.getOwnPropertyDescriptor(RegExp, Symbol.species).get);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/unicode.js b/js/src/tests/test262/built-ins/Function/prototype/toString/unicode.js
new file mode 100644
index 0000000000..79b7fb7b0b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/unicode.js
@@ -0,0 +1,17 @@
+// Copyright (C) 2016 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-function.prototype.tostring
+description: Function.prototype.toString on a function with Unicode escape sequences
+info: |
+ Function.prototype.toString returns a slice of the source text before
+ any potential Unicode escape sequence substitution in identifiers
+includes: [nativeFunctionMatcher.js]
+---*/
+
+function \u0061(\u{62}, \u0063) { \u0062 = \u{00063}; return b; }
+
+assertToStringOrNativeFunction(a, "function \\u0061(\\u{62}, \\u0063) { \\u0062 = \\u{00063}; return b; }");
+
+reportCompare(0, 0);