Add tests for Reflect.deleteProperty

test/built-ins/Reflect/deleteProperty/delete-properties.js

@@ -0,0 +1,20 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 26.1.4
+description: >
+  Delete property.
+info: >
+  26.1.4 Reflect.deleteProperty ( target, propertyKey )
+
+  ...
+  4. Return target.[[Delete]](key).
+---*/
+
+var o = {
+  prop: 42
+};
+
+Reflect.deleteProperty(o, 'prop');
+
+assert.sameValue(o.hasOwnProperty('prop'), false);

test/built-ins/Reflect/deleteProperty/delete-symbol-properties.js

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+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 26.1.4
+description: >
+  Delete a symbol property.
+info: >
+  26.1.4 Reflect.deleteProperty ( target, propertyKey )
+
+  ...
+  2. Let key be ToPropertyKey(propertyKey).
+  ...
+
+  7.1.14 ToPropertyKey ( argument )
+
+  ...
+  3. If Type(key) is Symbol, then
+    a. Return key.
+  ...
+features: [Symbol]
+---*/
+
+var s = Symbol('1');
+var o = {};
+o[s] = 42;
+
+Reflect.deleteProperty(o, s);
+
+assert.sameValue(o.hasOwnProperty(s), false);
+assert.sameValue(o[s], undefined);

test/built-ins/Reflect/deleteProperty/deleteProperty.js

@@ -0,0 +1,17 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 26.1.4
+description: >
+  Reflect.deleteProperty is configurable, writable and not enumerable.
+info: >
+  26.1.4 Reflect.deleteProperty ( target, propertyKey )
+
+  17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Reflect, 'deleteProperty');
+verifyWritable(Reflect, 'deleteProperty');
+verifyConfigurable(Reflect, 'deleteProperty');

test/built-ins/Reflect/deleteProperty/length.js

@@ -0,0 +1,17 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 26.1.4
+description: >
+  Reflect.deleteProperty.length value and property descriptor
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+  Reflect.deleteProperty.length, 2,
+  'The value of `Reflect.deleteProperty.length` is `2`'
+);
+
+verifyNotEnumerable(Reflect.deleteProperty, 'length');
+verifyNotWritable(Reflect.deleteProperty, 'length');
+verifyConfigurable(Reflect.deleteProperty, 'length');

test/built-ins/Reflect/deleteProperty/name.js

@@ -0,0 +1,22 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 26.1.4
+description: >
+  Reflect.deleteProperty.name value and property descriptor
+info: >
+  26.1.4 Reflect.deleteProperty ( target, propertyKey )
+
+  17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+  Reflect.deleteProperty.name, 'deleteProperty',
+  'The value of `Reflect.deleteProperty.name` is `"deleteProperty"`'
+);
+
+verifyNotEnumerable(Reflect.deleteProperty, 'name');
+verifyNotWritable(Reflect.deleteProperty, 'name');
+verifyConfigurable(Reflect.deleteProperty, 'name');

test/built-ins/Reflect/deleteProperty/return-abrupt-from-property-key.js

@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 26.1.4
+description: >
+  Return abrupt from ToPropertyKey(propertyKey)
+info: >
+  26.1.4 Reflect.deleteProperty ( target, propertyKey )
+
+  ...
+  2. Let key be ToPropertyKey(propertyKey).
+  3. ReturnIfAbrupt(key).
+  ...
+---*/
+
+var p = {
+  toString: function() {
+    throw new Test262Error();
+  }
+};
+
+assert.throws(Test262Error, function() {
+  Reflect.deleteProperty({}, p);
+});

test/built-ins/Reflect/deleteProperty/return-abrupt-from-result.js

@@ -0,0 +1,25 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 26.1.4
+description: >
+  Return abrupt result from deleting a property.
+info: >
+  26.1.4 Reflect.deleteProperty ( target, propertyKey )
+
+  ...
+  6. Return target.[[DefineOwnProperty]](key, desc).
+  ...
+features: [Proxy]
+---*/
+
+var o = {};
+var p = new Proxy(o, {
+  deleteProperty: function() {
+    throw new Test262Error();
+  }
+});
+
+assert.throws(Test262Error, function() {
+  Reflect.deleteProperty(p, 'p1');
+});

test/built-ins/Reflect/deleteProperty/return-boolean.js

@@ -0,0 +1,23 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 26.1.4
+description: >
+  Return boolean result.
+info: >
+  26.1.4 Reflect.deleteProperty ( target, propertyKey )
+
+  ...
+  4. Return target.[[Delete]](key).
+---*/
+
+var o = {};
+
+o.p1 = 'foo';
+assert.sameValue(Reflect.deleteProperty(o, 'p1'), true);
+assert.sameValue(o.hasOwnProperty('p1'), false);
+
+o.p2 = 'foo';
+Object.freeze(o);
+assert.sameValue(Reflect.deleteProperty(o, 'p2'), false);
+assert.sameValue(o.hasOwnProperty('p2'), true);

test/built-ins/Reflect/deleteProperty/target-is-not-object-throws.js

@@ -0,0 +1,28 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 26.1.4
+description: >
+  Throws a TypeError if target is not an Object.
+info: >
+  26.1.4 Reflect.deleteProperty ( target, propertyKey )
+
+  1. If Type(target) is not Object, throw a TypeError exception.
+  ...
+---*/
+
+assert.throws(TypeError, function() {
+  Reflect.deleteProperty(1, 'p');
+});
+
+assert.throws(TypeError, function() {
+  Reflect.deleteProperty(null, 'p');
+});
+
+assert.throws(TypeError, function() {
+  Reflect.deleteProperty(undefined, 'p');
+});
+
+assert.throws(TypeError, function() {
+  Reflect.deleteProperty('', 'p');
+});

test/built-ins/Reflect/deleteProperty/target-is-symbol-throws.js

@@ -0,0 +1,17 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 26.1.4
+description: >
+  Throws a TypeError if target is a Symbol
+info: >
+  26.1.4 Reflect.deleteProperty ( target, propertyKey )
+
+  1. If Type(target) is not Object, throw a TypeError exception.
+  ...
+features: [Symbol]
+---*/
+
+assert.throws(TypeError, function() {
+  Reflect.deleteProperty(Symbol(1), 'p');
+});