| // Copyright 2015 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| var typedArrayConstructors = [ |
| Uint8Array, |
| Int8Array, |
| Uint16Array, |
| Int16Array, |
| Uint32Array, |
| Int32Array, |
| Uint8ClampedArray, |
| Float32Array, |
| Float64Array]; |
| |
| for (var constructor of typedArrayConstructors) { |
| assertEquals(1, constructor.prototype.fill.length); |
| |
| assertArrayEquals(new constructor([]).fill(8), []); |
| assertArrayEquals(new constructor([0, 0, 0, 0, 0]).fill(8), [8, 8, 8, 8, 8]); |
| assertArrayEquals(new constructor([0, 0, 0, 0, 0]).fill(8, 1), [0, 8, 8, 8, 8]); |
| assertArrayEquals(new constructor([0, 0, 0, 0, 0]).fill(8, 10), [0, 0, 0, 0, 0]); |
| assertArrayEquals(new constructor([0, 0, 0, 0, 0]).fill(8, -5), [8, 8, 8, 8, 8]); |
| assertArrayEquals(new constructor([0, 0, 0, 0, 0]).fill(8, 1, 4), [0, 8, 8, 8, 0]); |
| assertArrayEquals(new constructor([0, 0, 0, 0, 0]).fill(8, 1, -1), [0, 8, 8, 8, 0]); |
| assertArrayEquals(new constructor([0, 0, 0, 0, 0]).fill(8, 1, 42), [0, 8, 8, 8, 8]); |
| assertArrayEquals(new constructor([0, 0, 0, 0, 0]).fill(8, -3, 42), [0, 0, 8, 8, 8]); |
| assertArrayEquals(new constructor([0, 0, 0, 0, 0]).fill(8, -3, 4), [0, 0, 8, 8, 0]); |
| assertArrayEquals(new constructor([0, 0, 0, 0, 0]).fill(8, -2, -1), [0, 0, 0, 8, 0]); |
| assertArrayEquals(new constructor([0, 0, 0, 0, 0]).fill(8, -1, -3), [0, 0, 0, 0, 0]); |
| assertArrayEquals(new constructor([0, 0, 0, 0, 0]).fill(8, 0, 4), [8, 8, 8, 8, 0]); |
| |
| // Test exceptions |
| assertThrows('constructor.prototype.fill.call(null)', TypeError); |
| assertThrows('constructor.prototype.fill.call(undefined)', TypeError); |
| assertThrows('constructor.prototype.fill.call([])', TypeError); |
| |
| // Shadowing length doesn't affect fill, unlike Array.prototype.fill |
| var a = new constructor([2, 2]); |
| Object.defineProperty(a, 'length', {value: 1}); |
| a.fill(3); |
| assertArrayEquals([a[0], a[1]], [3, 3]); |
| Array.prototype.fill.call(a, 4); |
| assertArrayEquals([a[0], a[1]], [4, 3]); |
| } |