Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1 | // Copyright 2015 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | var typedArrayConstructors = [ |
| 6 | Uint8Array, |
| 7 | Int8Array, |
| 8 | Uint16Array, |
| 9 | Int16Array, |
| 10 | Uint32Array, |
| 11 | Int32Array, |
| 12 | Uint8ClampedArray, |
| 13 | Float32Array, |
| 14 | Float64Array |
| 15 | ]; |
| 16 | |
| 17 | for (var constructor of typedArrayConstructors) { |
| 18 | var array = new constructor([1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2, 3]); |
| 19 | |
| 20 | // ---------------------------------------------------------------------- |
| 21 | // %TypedArray%.prototype.indexOf. |
| 22 | // ---------------------------------------------------------------------- |
| 23 | |
| 24 | // Negative cases. |
| 25 | assertEquals(-1, new constructor([]).indexOf(1)); |
| 26 | assertEquals(-1, array.indexOf(4)); |
| 27 | assertEquals(-1, array.indexOf(3, array.length)); |
| 28 | |
| 29 | assertEquals(2, array.indexOf(3)); |
| 30 | // Negative index out of range. |
| 31 | assertEquals(0, array.indexOf(1, -17)); |
| 32 | // Negative index in rage. |
| 33 | assertEquals(3, array.indexOf(1, -11)); |
| 34 | // Index in range. |
| 35 | assertEquals(3, array.indexOf(1, 1)); |
| 36 | assertEquals(3, array.indexOf(1, 3)); |
| 37 | assertEquals(6, array.indexOf(1, 4)); |
| 38 | |
| 39 | // Basic TypedArray function properties |
| 40 | assertEquals(1, array.indexOf.length); |
| 41 | assertThrows(function(){ array.indexOf.call([1], 1); }, TypeError); |
| 42 | Object.defineProperty(array, 'length', {value: 1}); |
| 43 | assertEquals(array.indexOf(2), 1); |
| 44 | |
| 45 | |
| 46 | // ---------------------------------------------------------------------- |
| 47 | // %TypedArray%.prototype.lastIndexOf. |
| 48 | // ---------------------------------------------------------------------- |
| 49 | array = new constructor([1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2, 3]); |
| 50 | |
| 51 | // Negative cases. |
| 52 | assertEquals(-1, new constructor([]).lastIndexOf(1)); |
| 53 | assertEquals(-1, array.lastIndexOf(1, -17)); |
| 54 | |
| 55 | assertEquals(9, array.lastIndexOf(1)); |
| 56 | // Index out of range. |
| 57 | assertEquals(9, array.lastIndexOf(1, array.length)); |
| 58 | // Index in range. |
| 59 | assertEquals(0, array.lastIndexOf(1, 2)); |
| 60 | assertEquals(3, array.lastIndexOf(1, 4)); |
| 61 | assertEquals(3, array.lastIndexOf(1, 3)); |
| 62 | // Negative index in range. |
| 63 | assertEquals(0, array.lastIndexOf(1, -11)); |
| 64 | |
| 65 | // Basic TypedArray function properties |
| 66 | assertEquals(1, array.lastIndexOf.length); |
| 67 | assertThrows(function(){ array.lastIndexOf.call([1], 1); }, TypeError); |
| 68 | Object.defineProperty(array, 'length', {value: 1}); |
| 69 | assertEquals(array.lastIndexOf(2), 10); |
| 70 | delete array.length; |
| 71 | } |