Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

64 files changed, 1482 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/browser.js b/js/src/tests/test262/built-ins/Object/hasOwn/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/browser.js
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/descriptor.js b/js/src/tests/test262/built-ins/Object/hasOwn/descriptor.js
new file mode 100644
index 0000000000..105e9eaa10
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/descriptor.js
@@ -0,0 +1,16 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: Testing descriptor property of Object.hasOwn
+includes: [propertyHelper.js]
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+verifyWritable(Object, "hasOwn");
+verifyNotEnumerable(Object, "hasOwn");
+verifyConfigurable(Object, "hasOwn");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown.js
new file mode 100644
index 0000000000..5f0587e3bb
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown.js
@@ -0,0 +1,21 @@
+// Copyright 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+info: |
+    Object.hasOwn ( _O_, _P_ )
+
+    1. Let _obj_ be ? ToObject(_O_).
+    2. Let _key_ be ? ToPropertyKey(_P_).
+    3. Return ? HasOwnProperty(_obj_, _key_).
+description: >
+    Checking type of the Object.hasOwn and the returned result
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+assert.sameValue(typeof Object.hasOwn, 'function');
+assert(Object.hasOwn(Object, 'hasOwn'));
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_exists.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_exists.js
new file mode 100644
index 0000000000..eefc438f7c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_exists.js
@@ -0,0 +1,18 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: Properties - [[HasOwnProperty]] (old style inherited property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var base = {
+  foo: 42
+};
+var o = Object.create(base);
+
+assert.sameValue(Object.hasOwn(o, "foo"), false, 'Object.hasOwn(o, "foo")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter.js
new file mode 100644
index 0000000000..9fff68d638
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter.js
@@ -0,0 +1,20 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: Properties - [[HasOwnProperty]] (literal inherited getter property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var base = {
+  get foo() {
+    return 42;
+  }
+};
+var o = Object.create(base);
+
+assert.sameValue(Object.hasOwn(o, "foo"), false, 'Object.hasOwn(o, "foo")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter_and_setter.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter_and_setter.js
new file mode 100644
index 0000000000..389a0b432b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter_and_setter.js
@@ -0,0 +1,24 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (literal inherited getter/setter
+    property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var base = {
+  get foo() {
+    return 42;
+  },
+  set foo(x) {
+  }
+};
+var o = Object.create(base);
+
+assert.sameValue(Object.hasOwn(o, "foo"), false, 'Object.hasOwn(o, "foo")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter_and_setter_configurable_enumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter_and_setter_configurable_enumerable.js
new file mode 100644
index 0000000000..7008fb123f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter_and_setter_configurable_enumerable.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (configurable, enumerable
+    inherited getter/setter property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var base = {};
+Object.defineProperty(base, "foo", {
+  get: function() {
+    return 42;
+  },
+  set: function() {;
+  },
+  enumerable: true,
+  configurable: true
+});
+var o = Object.create(base);
+
+assert.sameValue(Object.hasOwn(o, "foo"), false, 'Object.hasOwn(o, "foo")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter_and_setter_configurable_nonenumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter_and_setter_configurable_nonenumerable.js
new file mode 100644
index 0000000000..544ef19bde
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter_and_setter_configurable_nonenumerable.js
@@ -0,0 +1,26 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (configurable, non-enumerable
+    inherited getter/setter property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var base = {};
+Object.defineProperty(base, "foo", {
+  get: function() {
+    return 42;
+  },
+  set: function() {;
+  },
+  configurable: true
+});
+var o = Object.create(base);
+
+assert.sameValue(Object.hasOwn(o, "foo"), false, 'Object.hasOwn(o, "foo")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter_and_setter_nonconfigurable_enumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter_and_setter_nonconfigurable_enumerable.js
new file mode 100644
index 0000000000..651f64075b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter_and_setter_nonconfigurable_enumerable.js
@@ -0,0 +1,26 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (non-configurable, enumerable
+    inherited getter/setter property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var base = {};
+Object.defineProperty(base, "foo", {
+  get: function() {
+    return 42;
+  },
+  set: function() {;
+  },
+  enumerable: true
+});
+var o = Object.create(base);
+
+assert.sameValue(Object.hasOwn(o, "foo"), false, 'Object.hasOwn(o, "foo")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter_and_setter_nonconfigurable_nonenumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter_and_setter_nonconfigurable_nonenumerable.js
new file mode 100644
index 0000000000..e990298d9f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter_and_setter_nonconfigurable_nonenumerable.js
@@ -0,0 +1,25 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (non-configurable, non-enumerable
+    inherited getter/setter property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var base = {};
+Object.defineProperty(base, "foo", {
+  get: function() {
+    return 42;
+  },
+  set: function() {;
+  }
+});
+var o = Object.create(base);
+
+assert.sameValue(Object.hasOwn(o, "foo"), false, 'Object.hasOwn(o, "foo")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter_configurable_enumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter_configurable_enumerable.js
new file mode 100644
index 0000000000..7be3fc00a3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter_configurable_enumerable.js
@@ -0,0 +1,25 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (configurable, enumerable
+    inherited getter property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var base = {};
+Object.defineProperty(base, "foo", {
+  get: function() {
+    return 42;
+  },
+  enumerable: true,
+  configurable: true
+});
+var o = Object.create(base);
+
+assert.sameValue(Object.hasOwn(o, "foo"), false, 'Object.hasOwn(o, "foo")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter_configurable_nonenumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter_configurable_nonenumerable.js
new file mode 100644
index 0000000000..b32db7f3a6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter_configurable_nonenumerable.js
@@ -0,0 +1,24 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (configurable, non-enumerable
+    inherited getter property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var base = {};
+Object.defineProperty(base, "foo", {
+  get: function() {
+    return 42;
+  },
+  configurable: true
+});
+var o = Object.create(base);
+
+assert.sameValue(Object.hasOwn(o, "foo"), false, 'Object.hasOwn(o, "foo")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter_nonconfigurable_enumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter_nonconfigurable_enumerable.js
new file mode 100644
index 0000000000..4f8e2c20f6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter_nonconfigurable_enumerable.js
@@ -0,0 +1,24 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (non-configurable, enumerable
+    inherited getter property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var base = {};
+Object.defineProperty(base, "foo", {
+  get: function() {
+    return 42;
+  },
+  enumerable: true
+});
+var o = Object.create(base);
+
+assert.sameValue(Object.hasOwn(o, "foo"), false, 'Object.hasOwn(o, "foo")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter_nonconfigurable_nonenumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter_nonconfigurable_nonenumerable.js
new file mode 100644
index 0000000000..e5d79ec8d3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_getter_nonconfigurable_nonenumerable.js
@@ -0,0 +1,23 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (non-configurable, non-enumerable
+    inherited getter property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var base = {};
+Object.defineProperty(base, "foo", {
+  get: function() {
+    return 42;
+  }
+});
+var o = Object.create(base);
+
+assert.sameValue(Object.hasOwn(o, "foo"), false, 'Object.hasOwn(o, "foo")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_nonwritable_configurable_enumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_nonwritable_configurable_enumerable.js
new file mode 100644
index 0000000000..f6a04d85fc
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_nonwritable_configurable_enumerable.js
@@ -0,0 +1,23 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (non-writable, configurable,
+    enumerable inherited value property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var base = {};
+Object.defineProperty(base, "foo", {
+  value: 42,
+  configurable: true,
+  enumerable: true
+});
+var o = Object.create(base);
+
+assert.sameValue(Object.hasOwn(o, "foo"), false, 'Object.hasOwn(o, "foo")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_nonwritable_configurable_nonenumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_nonwritable_configurable_nonenumerable.js
new file mode 100644
index 0000000000..87e13e833d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_nonwritable_configurable_nonenumerable.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (non-writable, configurable,
+    non-enumerable inherited value property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var base = {};
+Object.defineProperty(base, "foo", {
+  value: 42,
+  configurable: true
+});
+var o = Object.create(base);
+
+assert.sameValue(Object.hasOwn(o, "foo"), false, 'Object.hasOwn(o, "foo")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_nonwritable_nonconfigurable_enumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_nonwritable_nonconfigurable_enumerable.js
new file mode 100644
index 0000000000..3ebdb438f9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_nonwritable_nonconfigurable_enumerable.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (non-writable, non-configurable,
+    enumerable inherited value property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var base = {};
+Object.defineProperty(base, "foo", {
+  value: 42,
+  enumerable: true
+});
+var o = Object.create(base);
+
+assert.sameValue(Object.hasOwn(o, "foo"), false, 'Object.hasOwn(o, "foo")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_nonwritable_nonconfigurable_nonenumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_nonwritable_nonconfigurable_nonenumerable.js
new file mode 100644
index 0000000000..97de4fe45c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_nonwritable_nonconfigurable_nonenumerable.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (non-writable, non-configurable,
+    non-enumerable inherited value property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var base = {};
+Object.defineProperty(base, "foo", {
+  value: 42
+});
+var o = Object.create(base);
+
+assert.sameValue(Object.hasOwn(o, "foo"), false, 'Object.hasOwn(o, "foo")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_setter.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_setter.js
new file mode 100644
index 0000000000..aee60cc1d7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_setter.js
@@ -0,0 +1,19 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: Properties - [[HasOwnProperty]] (literal inherited setter property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var base = {
+  set foo(x) {
+  }
+};
+var o = Object.create(base);
+
+assert.sameValue(Object.hasOwn(o, "foo"), false, 'Object.hasOwn(o, "foo")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_setter_configurable_enumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_setter_configurable_enumerable.js
new file mode 100644
index 0000000000..0abbf08d4a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_setter_configurable_enumerable.js
@@ -0,0 +1,24 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (configurable, enumerable
+    inherited setter property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var base = {};
+Object.defineProperty(base, "foo", {
+  set: function() {;
+  },
+  enumerable: true,
+  configurable: true
+});
+var o = Object.create(base);
+
+assert.sameValue(Object.hasOwn(o, "foo"), false, 'Object.hasOwn(o, "foo")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_setter_configurable_nonenumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_setter_configurable_nonenumerable.js
new file mode 100644
index 0000000000..01036b8b84
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_setter_configurable_nonenumerable.js
@@ -0,0 +1,23 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (configurable, non-enumerable
+    inherited setter property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var base = {};
+Object.defineProperty(base, "foo", {
+  set: function() {;
+  },
+  configurable: true
+});
+var o = Object.create(base);
+
+assert.sameValue(Object.hasOwn(o, "foo"), false, 'Object.hasOwn(o, "foo")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_setter_nonconfigurable_enumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_setter_nonconfigurable_enumerable.js
new file mode 100644
index 0000000000..6c4a6339ed
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_setter_nonconfigurable_enumerable.js
@@ -0,0 +1,23 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (non-configurable, enumerable
+    inherited setter property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var base = {};
+Object.defineProperty(base, "foo", {
+  set: function() {;
+  },
+  enumerable: true
+});
+var o = Object.create(base);
+
+assert.sameValue(Object.hasOwn(o, "foo"), false, 'Object.hasOwn(o, "foo")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_setter_nonconfigurable_nonenumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_setter_nonconfigurable_nonenumerable.js
new file mode 100644
index 0000000000..dc1f127609
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_setter_nonconfigurable_nonenumerable.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (non-configurable, non-enumerable
+    inherited setter property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var base = {};
+Object.defineProperty(base, "foo", {
+  set: function() {;
+  }
+});
+var o = Object.create(base);
+
+assert.sameValue(Object.hasOwn(o, "foo"), false, 'Object.hasOwn(o, "foo")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_writable_configurable_enumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_writable_configurable_enumerable.js
new file mode 100644
index 0000000000..b23947cc53
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_writable_configurable_enumerable.js
@@ -0,0 +1,24 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (writable, configurable,
+    enumerable inherited value property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var base = {};
+Object.defineProperty(base, "foo", {
+  value: 42,
+  writable: true,
+  enumerable: true,
+  configurable: true
+});
+var o = Object.create(base);
+
+assert.sameValue(Object.hasOwn(o, "foo"), false, 'Object.hasOwn(o, "foo")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_writable_configurable_nonenumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_writable_configurable_nonenumerable.js
new file mode 100644
index 0000000000..629e5d0fe8
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_writable_configurable_nonenumerable.js
@@ -0,0 +1,23 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (writable, configurable,
+    non-enumerable inherited value property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var base = {};
+Object.defineProperty(base, "foo", {
+  value: 42,
+  writable: true,
+  configurable: true
+});
+var o = Object.create(base);
+
+assert.sameValue(Object.hasOwn(o, "foo"), false, 'Object.hasOwn(o, "foo")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_writable_nonconfigurable_enumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_writable_nonconfigurable_enumerable.js
new file mode 100644
index 0000000000..7f0d8c3cda
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_writable_nonconfigurable_enumerable.js
@@ -0,0 +1,23 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (writable, non-configurable,
+    enumerable inherited value property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var base = {};
+Object.defineProperty(base, "foo", {
+  value: 42,
+  writable: true,
+  enumerable: true
+});
+var o = Object.create(base);
+
+assert.sameValue(Object.hasOwn(o, "foo"), false, 'Object.hasOwn(o, "foo")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_writable_nonconfigurable_nonenumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_writable_nonconfigurable_nonenumerable.js
new file mode 100644
index 0000000000..2dd98d90fe
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_inherited_writable_nonconfigurable_nonenumerable.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (writable, non-configurable,
+    non-enumerable inherited value property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var base = {};
+Object.defineProperty(base, "foo", {
+  value: 42,
+  writable: true
+});
+var o = Object.create(base);
+
+assert.sameValue(Object.hasOwn(o, "foo"), false, 'Object.hasOwn(o, "foo")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_nonexistent.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_nonexistent.js
new file mode 100644
index 0000000000..6d6c4b0d4c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_nonexistent.js
@@ -0,0 +1,15 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: Properties - [[HasOwnProperty]] (property does not exist)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var o = {};
+
+assert.sameValue(Object.hasOwn(o, "foo"), false, 'Object.hasOwn(o, "foo")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter.js
new file mode 100644
index 0000000000..6f67785d83
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter.js
@@ -0,0 +1,19 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: Properties - [[HasOwnProperty]] (literal own getter property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var o = {
+  get foo() {
+    return 42;
+  }
+};
+
+assert.sameValue(Object.hasOwn(o, "foo"), true, 'Object.hasOwn(o, "foo") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter_and_setter.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter_and_setter.js
new file mode 100644
index 0000000000..e23f79d7c4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter_and_setter.js
@@ -0,0 +1,23 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (literal own getter/setter
+    property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var o = {
+  get foo() {
+    return 42;
+  },
+  set foo(x) {
+  }
+};
+
+assert.sameValue(Object.hasOwn(o, "foo"), true, 'Object.hasOwn(o, "foo") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter_and_setter_configurable_enumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter_and_setter_configurable_enumerable.js
new file mode 100644
index 0000000000..8b17cbb95d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter_and_setter_configurable_enumerable.js
@@ -0,0 +1,26 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (configurable, enumerable own
+    getter/setter property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var o = {};
+Object.defineProperty(o, "foo", {
+  get: function() {
+    return 42;
+  },
+  set: function() {;
+  },
+  enumerable: true,
+  configurable: true
+});
+
+assert.sameValue(Object.hasOwn(o, "foo"), true, 'Object.hasOwn(o, "foo") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter_and_setter_configurable_nonenumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter_and_setter_configurable_nonenumerable.js
new file mode 100644
index 0000000000..6c578d2ab2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter_and_setter_configurable_nonenumerable.js
@@ -0,0 +1,25 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (configurable, non-enumerable own
+    getter/setter property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var o = {};
+Object.defineProperty(o, "foo", {
+  get: function() {
+    return 42;
+  },
+  set: function() {;
+  },
+  configurable: true
+});
+
+assert.sameValue(Object.hasOwn(o, "foo"), true, 'Object.hasOwn(o, "foo") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter_and_setter_nonconfigurable_enumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter_and_setter_nonconfigurable_enumerable.js
new file mode 100644
index 0000000000..4732f5bc17
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter_and_setter_nonconfigurable_enumerable.js
@@ -0,0 +1,25 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (non-configurable, enumerable own
+    getter/setter property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var o = {};
+Object.defineProperty(o, "foo", {
+  get: function() {
+    return 42;
+  },
+  set: function() {;
+  },
+  enumerable: true
+});
+
+assert.sameValue(Object.hasOwn(o, "foo"), true, 'Object.hasOwn(o, "foo") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter_and_setter_nonconfigurable_nonenumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter_and_setter_nonconfigurable_nonenumerable.js
new file mode 100644
index 0000000000..aa3534ae89
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter_and_setter_nonconfigurable_nonenumerable.js
@@ -0,0 +1,24 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (non-configurable, non-enumerable
+    own getter/setter property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var o = {};
+Object.defineProperty(o, "foo", {
+  get: function() {
+    return 42;
+  },
+  set: function() {;
+  }
+});
+
+assert.sameValue(Object.hasOwn(o, "foo"), true, 'Object.hasOwn(o, "foo") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter_configurable_enumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter_configurable_enumerable.js
new file mode 100644
index 0000000000..96e151f048
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter_configurable_enumerable.js
@@ -0,0 +1,24 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (configurable, enumerable own
+    getter property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var o = {};
+Object.defineProperty(o, "foo", {
+  get: function() {
+    return 42;
+  },
+  enumerable: true,
+  configurable: true
+});
+
+assert.sameValue(Object.hasOwn(o, "foo"), true, 'Object.hasOwn(o, "foo") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter_configurable_nonenumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter_configurable_nonenumerable.js
new file mode 100644
index 0000000000..7e91b1357c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter_configurable_nonenumerable.js
@@ -0,0 +1,23 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (configurable, non-enumerable own
+    getter property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var o = {};
+Object.defineProperty(o, "foo", {
+  get: function() {
+    return 42;
+  },
+  configurable: true
+});
+
+assert.sameValue(Object.hasOwn(o, "foo"), true, 'Object.hasOwn(o, "foo") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter_nonconfigurable_enumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter_nonconfigurable_enumerable.js
new file mode 100644
index 0000000000..de0bf03326
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter_nonconfigurable_enumerable.js
@@ -0,0 +1,23 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (non-configurable, enumerable own
+    getter property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var o = {};
+Object.defineProperty(o, "foo", {
+  get: function() {
+    return 42;
+  },
+  enumerable: true
+});
+
+assert.sameValue(Object.hasOwn(o, "foo"), true, 'Object.hasOwn(o, "foo") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter_nonconfigurable_nonenumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter_nonconfigurable_nonenumerable.js
new file mode 100644
index 0000000000..84b3e1c195
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_getter_nonconfigurable_nonenumerable.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (non-configurable, non-enumerable
+    own getter property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var o = {};
+Object.defineProperty(o, "foo", {
+  get: function() {
+    return 42;
+  }
+});
+
+assert.sameValue(Object.hasOwn(o, "foo"), true, 'Object.hasOwn(o, "foo") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_nonwritable_configurable_enumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_nonwritable_configurable_enumerable.js
new file mode 100644
index 0000000000..dc8e0031a4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_nonwritable_configurable_enumerable.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (non-writable, configurable,
+    enumerable own value property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var o = {};
+Object.defineProperty(o, "foo", {
+  value: 42,
+  configurable: true,
+  enumerable: true
+});
+
+assert.sameValue(Object.hasOwn(o, "foo"), true, 'Object.hasOwn(o, "foo") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_nonwritable_nonconfigurable_enumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_nonwritable_nonconfigurable_enumerable.js
new file mode 100644
index 0000000000..754097da1b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_nonwritable_nonconfigurable_enumerable.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (non-writable, non-configurable,
+    enumerable own value property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var o = {};
+Object.defineProperty(o, "foo", {
+  value: 42,
+  enumerable: true
+});
+
+assert.sameValue(Object.hasOwn(o, "foo"), true, 'Object.hasOwn(o, "foo") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_nonwriteable_configurable_nonenumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_nonwriteable_configurable_nonenumerable.js
new file mode 100644
index 0000000000..36b7f14ccd
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_nonwriteable_configurable_nonenumerable.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (non-writable, configurable,
+    non-enumerable own value property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var o = {};
+Object.defineProperty(o, "foo", {
+  value: 42,
+  configurable: true
+});
+
+assert.sameValue(Object.hasOwn(o, "foo"), true, 'Object.hasOwn(o, "foo") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_nonwriteable_nonconfigurable_nonenumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_nonwriteable_nonconfigurable_nonenumerable.js
new file mode 100644
index 0000000000..f60bb35222
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_nonwriteable_nonconfigurable_nonenumerable.js
@@ -0,0 +1,20 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (non-writable, non-configurable,
+    non-enumerable own value property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var o = {};
+Object.defineProperty(o, "foo", {
+  value: 42
+});
+
+assert.sameValue(Object.hasOwn(o, "foo"), true, 'Object.hasOwn(o, "foo") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_property_exists.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_property_exists.js
new file mode 100644
index 0000000000..661d7804d4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_property_exists.js
@@ -0,0 +1,17 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: Properties - [[HasOwnProperty]] (old style own property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var o = {
+  foo: 42
+};
+
+assert.sameValue(Object.hasOwn(o, "foo"), true, 'Object.hasOwn(o, "foo") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_setter.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_setter.js
new file mode 100644
index 0000000000..94aa453182
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_setter.js
@@ -0,0 +1,18 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: Properties - [[HasOwnProperty]] (literal own setter property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var o = {
+  set foo(x) {
+  }
+};
+
+assert.sameValue(Object.hasOwn(o, "foo"), true, 'Object.hasOwn(o, "foo") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_setter_configurable_enumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_setter_configurable_enumerable.js
new file mode 100644
index 0000000000..09e650bb02
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_setter_configurable_enumerable.js
@@ -0,0 +1,23 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (configurable, enumerable own
+    setter property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var o = {};
+Object.defineProperty(o, "foo", {
+  set: function() {;
+  },
+  enumerable: true,
+  configurable: true
+});
+
+assert.sameValue(Object.hasOwn(o, "foo"), true, 'Object.hasOwn(o, "foo") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_setter_configurable_nonenumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_setter_configurable_nonenumerable.js
new file mode 100644
index 0000000000..322cb967c2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_setter_configurable_nonenumerable.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (configurable, non-enumerable own
+    setter property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var o = {};
+Object.defineProperty(o, "foo", {
+  set: function() {;
+  },
+  configurable: true
+});
+
+assert.sameValue(Object.hasOwn(o, "foo"), true, 'Object.hasOwn(o, "foo") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_setter_nonconfigurable_enumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_setter_nonconfigurable_enumerable.js
new file mode 100644
index 0000000000..3c8f500bfb
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_setter_nonconfigurable_enumerable.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (non-configurable, enumerable own
+    setter property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var o = {};
+Object.defineProperty(o, "foo", {
+  set: function() {;
+  },
+  enumerable: true
+});
+
+assert.sameValue(Object.hasOwn(o, "foo"), true, 'Object.hasOwn(o, "foo") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_setter_nonconfigurable_nonenumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_setter_nonconfigurable_nonenumerable.js
new file mode 100644
index 0000000000..953fca4644
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_setter_nonconfigurable_nonenumerable.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (non-configurable, non-enumerable
+    own setter property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var o = {};
+Object.defineProperty(o, "foo", {
+  set: function() {;
+  }
+});
+
+assert.sameValue(Object.hasOwn(o, "foo"), true, 'Object.hasOwn(o, "foo") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_writable_configurable_enumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_writable_configurable_enumerable.js
new file mode 100644
index 0000000000..e5e22be7e5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_writable_configurable_enumerable.js
@@ -0,0 +1,23 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (writable, configurable,
+    enumerable own value property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var o = {};
+Object.defineProperty(o, "foo", {
+  value: 42,
+  writable: true,
+  enumerable: true,
+  configurable: true
+});
+
+assert.sameValue(Object.hasOwn(o, "foo"), true, 'Object.hasOwn(o, "foo") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_writable_configurable_nonenumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_writable_configurable_nonenumerable.js
new file mode 100644
index 0000000000..b759d497f3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_writable_configurable_nonenumerable.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (writable, configurable,
+    non-enumerable own value property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var o = {};
+Object.defineProperty(o, "foo", {
+  value: 42,
+  writable: true,
+  configurable: true
+});
+
+assert.sameValue(Object.hasOwn(o, "foo"), true, 'Object.hasOwn(o, "foo") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_writable_nonconfigurable_enumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_writable_nonconfigurable_enumerable.js
new file mode 100644
index 0000000000..31e4d6206d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_writable_nonconfigurable_enumerable.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (writable, non-configurable,
+    enumerable own value property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var o = {};
+Object.defineProperty(o, "foo", {
+  value: 42,
+  writable: true,
+  enumerable: true
+});
+
+assert.sameValue(Object.hasOwn(o, "foo"), true, 'Object.hasOwn(o, "foo") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_writable_nonconfigurable_nonenumerable.js b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_writable_nonconfigurable_nonenumerable.js
new file mode 100644
index 0000000000..8684e398f5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/hasown_own_writable_nonconfigurable_nonenumerable.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Properties - [[HasOwnProperty]] (writable, non-configurable,
+    non-enumerable own value property)
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+var o = {};
+Object.defineProperty(o, "foo", {
+  value: 42,
+  writable: true
+});
+
+assert.sameValue(Object.hasOwn(o, "foo"), true, 'Object.hasOwn(o, "foo") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/length.js b/js/src/tests/test262/built-ins/Object/hasOwn/length.js
new file mode 100644
index 0000000000..9e8b586ce1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/length.js
@@ -0,0 +1,33 @@
+// Copyright (C) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+  Object.hasOwn.length is 2.
+info: |
+  Object.hasOwn ( _O_, _P_ )
+
+  ECMAScript Standard Built-in Objects
+
+  Every built-in function object, including constructors, has a "length"
+  property whose value is an integer. Unless otherwise specified, this
+  value is equal to the largest number of named arguments shown in the
+  subclause headings for the function description.
+
+  Unless otherwise specified, the "length" property of a built-in Function
+  object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+  [[Configurable]]: true }.
+includes: [propertyHelper.js]
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+verifyProperty(Object.hasOwn, "length", {
+  value: 2,
+  writable: false,
+  enumerable: false,
+  configurable: true,
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/name.js b/js/src/tests/test262/built-ins/Object/hasOwn/name.js
new file mode 100644
index 0000000000..c8532bc559
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/name.js
@@ -0,0 +1,30 @@
+// Copyright (C) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+  Object.hasOwn.name is "hasOwn".
+info: |
+  Object.hasOwn ( _O_, _P_ )
+
+  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]
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+assert.sameValue(Object.hasOwn.name, "hasOwn");
+
+verifyNotEnumerable(Object.hasOwn, "name");
+verifyNotWritable(Object.hasOwn, "name");
+verifyConfigurable(Object.hasOwn, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/not-a-constructor.js b/js/src/tests/test262/built-ins/Object/hasOwn/not-a-constructor.js
new file mode 100644
index 0000000000..a3badb6c87
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/not-a-constructor.js
@@ -0,0 +1,35 @@
+// Copyright (C) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Object.hasOwn 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]
+author: Jamie Kyle
+features: [Reflect.construct, arrow-function, Object.hasOwn]
+---*/
+
+assert.sameValue(
+  isConstructor(Object.hasOwn),
+  false,
+  'isConstructor(Object.hasOwn) must return false'
+);
+
+assert.throws(TypeError, () => {
+  new Object.hasOwn('');
+}, '`new Object.hasOwn(\'\')` throws TypeError');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/prototype.js b/js/src/tests/test262/built-ins/Object/hasOwn/prototype.js
new file mode 100644
index 0000000000..1eb3676ddc
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/prototype.js
@@ -0,0 +1,15 @@
+// Copyright 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+info: Object.hasOwn has not prototype property
+description: >
+    Checking if obtaining the prototype property of Object.hasOwn fails
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+assert.sameValue(Object.hasOwn.prototype, undefined);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/shell.js b/js/src/tests/test262/built-ins/Object/hasOwn/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/shell.js
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/symbol_own_property.js b/js/src/tests/test262/built-ins/Object/hasOwn/symbol_own_property.js
new file mode 100644
index 0000000000..49146009fa
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/symbol_own_property.js
@@ -0,0 +1,34 @@
+// Copyright (C) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: Object.hasOwn called with symbol property key
+info: |
+  Object.hasOwn ( _O_, _P_ )
+
+  1. Let _obj_ be ? ToObject(_O_).
+  1. Let _key_ be ? ToPropertyKey(_P_).
+  ...
+author: Jamie Kyle
+features: [Symbol, Object.hasOwn]
+---*/
+
+var obj = {};
+var sym = Symbol();
+
+assert.sameValue(
+  Object.hasOwn(obj, sym),
+  false,
+  "Returns false if symbol own property not found"
+);
+
+obj[sym] = 0;
+
+assert.sameValue(
+  Object.hasOwn(obj, sym),
+  true,
+  "Returns true if symbol own property found"
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/symbol_property_toPrimitive.js b/js/src/tests/test262/built-ins/Object/hasOwn/symbol_property_toPrimitive.js
new file mode 100644
index 0000000000..76260149d8
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/symbol_property_toPrimitive.js
@@ -0,0 +1,37 @@
+// Copyright (C) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: Object.hasOwn with symbol and @@toPrimitive conversion
+info: |
+  Object.hasOwn ( _O_, _P_ )
+
+  1. Let _obj_ be ? ToObject(_O_).
+  1. Let _key_ be ? ToPropertyKey(_P_).
+  ...
+author: Jamie Kyle
+features: [Symbol.toPrimitive, Object.hasOwn]
+---*/
+
+var obj = {};
+var sym = Symbol();
+
+var callCount = 0;
+var wrapper = {};
+wrapper[Symbol.toPrimitive] = function() {
+  callCount += 1;
+  return sym;
+};
+
+obj[sym] = 0;
+
+assert.sameValue(
+  Object.hasOwn(obj, wrapper),
+  true,
+  "Returns true if symbol own property found"
+);
+
+assert.sameValue(callCount, 1, "toPrimitive method called exactly once");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/symbol_property_toString.js b/js/src/tests/test262/built-ins/Object/hasOwn/symbol_property_toString.js
new file mode 100644
index 0000000000..e27def6e27
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/symbol_property_toString.js
@@ -0,0 +1,41 @@
+// Copyright (C) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: Object.hasOwn with symbol and toString conversion
+info: |
+  Object.hasOwn ( _O_, _P_ )
+
+  1. Let _obj_ be ? ToObject(_O_).
+  1. Let _key_ be ? ToPropertyKey(_P_).
+  ...
+author: Jamie Kyle
+features: [Symbol, Object.hasOwn]
+---*/
+
+var obj = {};
+var sym = Symbol();
+
+var callCount = 0;
+var wrapper = {
+  toString: function() {
+    callCount += 1;
+    return sym;
+  },
+  valueOf: function () {
+    throw new Test262Error("valueOf() called")
+  }
+};
+
+obj[sym] = 0;
+
+assert.sameValue(
+  Object.hasOwn(obj, wrapper),
+  true,
+  "Returns true if symbol own property found"
+);
+
+assert.sameValue(callCount, 1, "toString method called exactly once");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/symbol_property_valueOf.js b/js/src/tests/test262/built-ins/Object/hasOwn/symbol_property_valueOf.js
new file mode 100644
index 0000000000..fd7f2b589d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/symbol_property_valueOf.js
@@ -0,0 +1,39 @@
+// Copyright (C) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: Object.hasOwn with symbol and valueOf conversion
+info: |
+  Object.hasOwn ( _O_, _P_ )
+
+  1. Let _obj_ be ? ToObject(_O_).
+  2. Let _key_ be ? ToPropertyKey(_P_).
+  ...
+author: Jamie Kyle
+features: [Symbol, Object.hasOwn]
+---*/
+
+var obj = {};
+var sym = Symbol();
+
+var callCount = 0;
+var wrapper = {
+  valueOf: function() {
+    callCount += 1;
+    return sym;
+  },
+  toString: null
+};
+
+obj[sym] = 0;
+
+assert.sameValue(
+  Object.hasOwn(obj, wrapper),
+  true,
+  "Returns true if symbol own property found"
+);
+
+assert.sameValue(callCount, 1, "valueOf method called exactly once");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/toobject_before_topropertykey.js b/js/src/tests/test262/built-ins/Object/hasOwn/toobject_before_topropertykey.js
new file mode 100644
index 0000000000..6552617f03
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/toobject_before_topropertykey.js
@@ -0,0 +1,50 @@
+// Copyright (C) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-object.hasown
+description: >
+  ToObject is performed before ToPropertyKey.
+info: |
+  Object.hasOwn ( _O_, _P_ )
+
+  1. Let _obj_ be ? ToObject(_O_).
+  2. Let _key_ be ? ToPropertyKey(_P_).
+
+  ToPropertyKey ( argument )
+
+  1. Let key be ? ToPrimitive(argument, hint String).
+author: Jamie Kyle
+features: [Symbol.toPrimitive, Object.hasOwn]
+---*/
+
+var callCount1 = 0;
+var coercibleKey1 = {
+  get toString() {
+    callCount1++;
+    throw new Test262Error();
+  },
+  get valueOf() {
+    callCount1++;
+    throw new Test262Error();
+  },
+};
+
+assert.throws(TypeError, function() {
+  Object.hasOwn(null, coercibleKey1);
+});
+assert.sameValue(callCount1, 0, "toString and valueOf must not be called");
+
+
+var callCount2 = 0;
+var coercibleKey2 = {};
+coercibleKey2[Symbol.toPrimitive] = function() {
+  callCount2++;
+  throw new Test262Error();
+};
+
+assert.throws(TypeError, function() {
+  Object.hasOwn(undefined, coercibleKey2);
+});
+assert.sameValue(callCount2, 0, "Symbol.toPrimitive must not be called");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/toobject_null.js b/js/src/tests/test262/built-ins/Object/hasOwn/toobject_null.js
new file mode 100644
index 0000000000..b9cf662835
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/toobject_null.js
@@ -0,0 +1,17 @@
+// Copyright 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Let O be the result of calling ToObject passing the this value as
+    the argument.
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+assert.throws(TypeError, function() {
+  Object.hasOwn(null, 'foo');
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/toobject_undefined.js b/js/src/tests/test262/built-ins/Object/hasOwn/toobject_undefined.js
new file mode 100644
index 0000000000..070ba2d6af
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/toobject_undefined.js
@@ -0,0 +1,17 @@
+// Copyright 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: >
+    Let O be the result of calling ToObject passing the this value as
+    the argument.
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+assert.throws(TypeError, function() {
+  Object.hasOwn(undefined, 'foo');
+});
+
+reportCompare(0, 0);