Implement Object.hasOwn

Jint.Tests.Test262/test/built-ins/Object/hasOwn/descriptor.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: Testing descriptor property of Object.hasOwn
+includes:
+    - propertyHelper.js
+author: Jamie Kyle
+features: [Object.hasOwn]
+---*/
+
+verifyWritable(Object, "hasOwn");
+verifyNotEnumerable(Object, "hasOwn");
+verifyConfigurable(Object, "hasOwn");

Jint.Tests.Test262/test/built-ins/Object/hasOwn/hasown.js

@@ -0,0 +1,19 @@
+// 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'));

Jint.Tests.Test262/test/built-ins/Object/hasOwn/hasown_inherited_exists.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: 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")');

Jint.Tests.Test262/test/built-ins/Object/hasOwn/hasown_inherited_getter.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 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")');

Jint.Tests.Test262/test/built-ins/Object/hasOwn/hasown_inherited_getter_and_setter.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]] (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")');

Jint.Tests.Test262/test/built-ins/Object/hasOwn/hasown_inherited_getter_and_setter_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/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")');

Jint.Tests.Test262/test/built-ins/Object/hasOwn/hasown_inherited_getter_and_setter_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/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")');

Jint.Tests.Test262/test/built-ins/Object/hasOwn/hasown_inherited_getter_and_setter_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/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")');

Jint.Tests.Test262/test/built-ins/Object/hasOwn/hasown_inherited_getter_and_setter_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/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")');

Jint.Tests.Test262/test/built-ins/Object/hasOwn/hasown_inherited_getter_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
+    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")');

Jint.Tests.Test262/test/built-ins/Object/hasOwn/hasown_inherited_getter_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
+    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")');

Jint.Tests.Test262/test/built-ins/Object/hasOwn/hasown_inherited_getter_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
+    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")');

Jint.Tests.Test262/test/built-ins/Object/hasOwn/hasown_inherited_getter_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
+    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")');

Jint.Tests.Test262/test/built-ins/Object/hasOwn/hasown_inherited_nonwritable_configurable_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, 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")');

Jint.Tests.Test262/test/built-ins/Object/hasOwn/hasown_inherited_nonwritable_configurable_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, 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")');

Jint.Tests.Test262/test/built-ins/Object/hasOwn/hasown_inherited_nonwritable_nonconfigurable_enumerable.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,
+    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")');

Jint.Tests.Test262/test/built-ins/Object/hasOwn/hasown_inherited_nonwritable_nonconfigurable_nonenumerable.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]] (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")');

Jint.Tests.Test262/test/built-ins/Object/hasOwn/hasown_inherited_setter.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]] (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")');