diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/TypedArray/prototype/set/typedarray-arg-set-values-same-buffer-same-type-resized.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/set/typedarray-arg-set-values-same-buffer-same-type-resized.js | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/set/typedarray-arg-set-values-same-buffer-same-type-resized.js b/js/src/tests/test262/built-ins/TypedArray/prototype/set/typedarray-arg-set-values-same-buffer-same-type-resized.js new file mode 100644 index 0000000000..c50f9a9606 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/set/typedarray-arg-set-values-same-buffer-same-type-resized.js @@ -0,0 +1,48 @@ +// |reftest| shell-option(--enable-arraybuffer-resizable) skip-if(!ArrayBuffer.prototype.resize||!xulRuntime.shell) -- resizable-arraybuffer is not enabled unconditionally, requires shell-options +// Copyright (C) 2021 the V8 project authors. 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 when underlying ArrayBuffer has been resized +includes: [testTypedArray.js, compareArray.js] +features: [TypedArray, resizable-arraybuffer] +---*/ + +assert.sameValue( + typeof ArrayBuffer.prototype.resize, + 'function', + 'implements ArrayBuffer.prototype.resize' +); + +testWithTypedArrayConstructors(function(TA) { + var BPE = TA.BYTES_PER_ELEMENT; + var ab = new ArrayBuffer(BPE * 4, {maxByteLength: BPE * 5}); + var source = new TA(ab); + var target = new TA(ab); + var expected = [10, 20, 30, 40]; + + source[0] = 10; + source[1] = 20; + source[2] = 30; + source[3] = 40; + + try { + ab.resize(BPE * 5); + expected = [10, 20, 30, 40, 0]; + } catch (_) {} + + target.set(source); + assert(compareArray(target, expected), 'following grow'); + + try { + ab.resize(BPE * 3); + expected = [10, 20, 30]; + } catch (_) {} + + target.set(source); + assert(compareArray(target, expected), 'following shrink'); +}); + +reportCompare(0, 0); |