| // 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-buffer-byteoffset-length |
| description: > |
| Reuse buffer argument instead of making a new clone |
| info: | |
| 22.2.4.5 TypedArray ( buffer [ , byteOffset [ , length ] ] ) |
| |
| This description applies only if the TypedArray function is called with at |
| least one argument and the Type of the first argument is Object and that |
| object has an [[ArrayBufferData]] internal slot. |
| |
| ... |
| 15. Set O's [[ViewedArrayBuffer]] internal slot to buffer. |
| ... |
| includes: [testBigIntTypedArray.js] |
| features: [BigInt, SharedArrayBuffer, TypedArray] |
| ---*/ |
| |
| testWithBigIntTypedArrayConstructors(function(TA) { |
| var bpe = TA.BYTES_PER_ELEMENT; |
| |
| var buffer = new SharedArrayBuffer(bpe); |
| |
| var ta1 = new TA(buffer); |
| var ta2 = new TA(buffer); |
| |
| assert.sameValue(ta1.buffer, buffer); |
| assert.sameValue(ta2.buffer, buffer); |
| assert.sameValue(ta1.buffer, ta2.buffer); |
| }); |
