| // Copyright (C) 2016 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| esid: sec-%typedarray%.prototype.keys |
| description: Throws a TypeError exception when `this` is not Object |
| info: | |
| 22.2.3.16 %TypedArray%.prototype.keys ( ) |
| |
| The following steps are taken: |
| |
| 1. Let O be the this value. |
| 2. Perform ? ValidateTypedArray(O). |
| ... |
| |
| 22.2.3.5.1 Runtime Semantics: ValidateTypedArray ( O ) |
| |
| 1. If Type(O) is not Object, throw a TypeError exception. |
| ... |
| includes: [testTypedArray.js] |
| features: [Symbol, TypedArray] |
| ---*/ |
| |
| var keys = TypedArray.prototype.keys; |
| |
| assert.throws(TypeError, function() { |
| keys.call(undefined); |
| }, "this is undefined"); |
| |
| assert.throws(TypeError, function() { |
| keys.call(null); |
| }, "this is null"); |
| |
| assert.throws(TypeError, function() { |
| keys.call(42); |
| }, "this is 42"); |
| |
| assert.throws(TypeError, function() { |
| keys.call("1"); |
| }, "this is a string"); |
| |
| assert.throws(TypeError, function() { |
| keys.call(true); |
| }, "this is true"); |
| |
| assert.throws(TypeError, function() { |
| keys.call(false); |
| }, "this is false"); |
| |
| var s = Symbol("s"); |
| assert.throws(TypeError, function() { |
| keys.call(s); |
| }, "this is a Symbol"); |