mirror of https://github.com/tc39/test262.git
Add tests for Reflect.getPrototypeOf
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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es6id: 26.1.8
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description: >
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Reflect.getPrototypeOf is configurable, writable and not enumerable.
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info: >
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26.1.8 Reflect.getPrototypeOf ( target )
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17 ECMAScript Standard Built-in Objects
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includes: [propertyHelper.js]
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---*/
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verifyNotEnumerable(Reflect, 'getPrototypeOf');
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verifyWritable(Reflect, 'getPrototypeOf');
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verifyConfigurable(Reflect, 'getPrototypeOf');
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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es6id: 26.1.8
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description: >
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Reflect.getPrototypeOf.length value and property descriptor
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includes: [propertyHelper.js]
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---*/
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assert.sameValue(
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Reflect.getPrototypeOf.length, 1,
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'The value of `Reflect.getPrototypeOf.length` is `1`'
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);
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verifyNotEnumerable(Reflect.getPrototypeOf, 'length');
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verifyNotWritable(Reflect.getPrototypeOf, 'length');
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verifyConfigurable(Reflect.getPrototypeOf, 'length');
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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es6id: 26.1.8
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description: >
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Reflect.getPrototypeOf.name value and property descriptor
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info: >
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26.1.8 Reflect.getPrototypeOf ( target )
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17 ECMAScript Standard Built-in Objects
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includes: [propertyHelper.js]
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---*/
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assert.sameValue(
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Reflect.getPrototypeOf.name, 'getPrototypeOf',
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'The value of `Reflect.getPrototypeOf.name` is `"getPrototypeOf"`'
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);
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verifyNotEnumerable(Reflect.getPrototypeOf, 'name');
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verifyNotWritable(Reflect.getPrototypeOf, 'name');
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verifyConfigurable(Reflect.getPrototypeOf, 'name');
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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es6id: 26.1.8
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description: >
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Return null prototype.
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info: >
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26.1.8 Reflect.getPrototypeOf ( target )
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...
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2. Return target.[[GetPrototypeOf]]().
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---*/
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var o = Object.create(null);
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assert.sameValue(Reflect.getPrototypeOf(o), null);
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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es6id: 26.1.8
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description: >
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Return abrupt result from getting the prototype.
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info: >
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26.1.8 Reflect.getPrototypeOf ( target )
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...
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2. Return target.[[GetPrototypeOf]]().
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...
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features: [Proxy]
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---*/
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var o1 = {};
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var p = new Proxy(o1, {
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getPrototypeOf: function() {
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throw new Test262Error();
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}
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});
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assert.throws(Test262Error, function() {
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Reflect.getPrototypeOf(p);
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});
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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es6id: 26.1.8
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description: >
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Returns the internal [[Prototype]] object.
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info: >
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26.1.8 Reflect.getPrototypeOf ( target )
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...
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2. Return target.[[GetPrototypeOf]]().
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---*/
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var o = {};
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assert.sameValue(
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Reflect.getPrototypeOf(o), Object.prototype,
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'return default prototypes'
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);
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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es6id: 26.1.8
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description: >
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Skip own properties to return the internal [[Prototype]] object.
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info: >
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26.1.8 Reflect.getPrototypeOf ( target )
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...
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2. Return target.[[GetPrototypeOf]]().
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---*/
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var valid = {};
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var o = Object.create(valid, {
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prototype: {value: 'invalid', enumerable: true}
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});
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assert.sameValue(
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Reflect.getPrototypeOf(o), valid,
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'skip own properties'
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);
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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es6id: 26.1.8
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description: >
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Throws a TypeError if target is not an Object.
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info: >
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26.1.8 Reflect.getPrototypeOf ( target )
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1. If Type(target) is not Object, throw a TypeError exception.
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...
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---*/
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assert.throws(TypeError, function() {
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Reflect.getPrototypeOf(1);
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});
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assert.throws(TypeError, function() {
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Reflect.getPrototypeOf(null);
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});
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assert.throws(TypeError, function() {
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Reflect.getPrototypeOf(undefined);
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});
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assert.throws(TypeError, function() {
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Reflect.getPrototypeOf('');
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});
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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es6id: 26.1.8
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description: >
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Throws a TypeError if target is a Symbol
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info: >
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26.1.8 Reflect.getPrototypeOf ( target )
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1. If Type(target) is not Object, throw a TypeError exception.
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...
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features: [Symbol]
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---*/
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assert.throws(TypeError, function() {
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Reflect.getPrototypeOf(Symbol(1));
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});
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