| // 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.findindex |
| description: Throws a TypeError exception when `this` is not Object |
| info: | |
| 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] ) |
| |
| This function is not generic. ValidateTypedArray is applied to the this value |
| prior to evaluating the algorithm. If its result is an abrupt completion that |
| exception is thrown instead of evaluating the algorithm. |
| |
| 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 findIndex = TypedArray.prototype.findIndex; |
| var predicate = function() {}; |
| |
| assert.throws(TypeError, function() { |
| findIndex.call(undefined, predicate); |
| }, "this is undefined"); |
| |
| assert.throws(TypeError, function() { |
| findIndex.call(null, predicate); |
| }, "this is null"); |
| |
| assert.throws(TypeError, function() { |
| findIndex.call(42, predicate); |
| }, "this is 42"); |
| |
| assert.throws(TypeError, function() { |
| findIndex.call("1", predicate); |
| }, "this is a string"); |
| |
| assert.throws(TypeError, function() { |
| findIndex.call(true, predicate); |
| }, "this is true"); |
| |
| assert.throws(TypeError, function() { |
| findIndex.call(false, predicate); |
| }, "this is false"); |
| |
| var s = Symbol("s"); |
| assert.throws(TypeError, function() { |
| findIndex.call(s, predicate); |
| }, "this is a Symbol"); |