| // Copyright (C) 2016 the V8 project authors. All rights reserved. |
| // Copyright (C) 2017 Mozilla Corporation. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-%typedarray%.prototype.set-typedarray-offset |
| description: > |
| Set values from different instances using the same buffer and same |
| constructor. srcBuffer values are cached. |
| includes: [testTypedArray.js, compareArray.js] |
| features: [SharedArrayBuffer, TypedArray] |
| ---*/ |
| |
| var int_views = [Int8Array, Uint8Array, Int16Array, Uint16Array, Int32Array, Uint32Array]; |
| |
| testWithTypedArrayConstructors(function(TA) { |
| var sample, src, result, sab; |
| |
| sab = new SharedArrayBuffer(4 * TA.BYTES_PER_ELEMENT); |
| sample = new TA(sab); |
| sample[0] = 1; |
| sample[1] = 2; |
| sample[2] = 3; |
| sample[3] = 4; |
| src = new TA(sample.buffer, 0, 2); |
| result = sample.set(src, 0); |
| assert(compareArray(sample, [1, 2, 3, 4]), "offset: 0, result: " + sample); |
| assert.sameValue(result, undefined, "returns undefined"); |
| |
| sab = new SharedArrayBuffer(4 * TA.BYTES_PER_ELEMENT); |
| sample = new TA(sab); |
| sample[0] = 1; |
| sample[1] = 2; |
| sample[2] = 3; |
| sample[3] = 4; |
| src = new TA(sample.buffer, 0, 2); |
| result = sample.set(src, 1); |
| assert(compareArray(sample, [1, 1, 2, 4]), "offset: 1, result: " + sample); |
| assert.sameValue(result, undefined, "returns undefined"); |
| |
| sab = new SharedArrayBuffer(4 * TA.BYTES_PER_ELEMENT); |
| sample = new TA(sab); |
| sample[0] = 1; |
| sample[1] = 2; |
| sample[2] = 3; |
| sample[3] = 4; |
| src = new TA(sample.buffer, 0, 2); |
| result = sample.set(src, 2); |
| assert(compareArray(sample, [1, 2, 1, 2]), "offset: 2, result: " + sample); |
| assert.sameValue(result, undefined, "returns undefined"); |
| }, int_views); |