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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/test262/built-ins/TypedArrayConstructors/internals/HasProperty/resizable-array-buffer-fixed.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/built-ins/TypedArrayConstructors/internals/HasProperty/resizable-array-buffer-fixed.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArrayConstructors/internals/HasProperty/resizable-array-buffer-fixed.js | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/HasProperty/resizable-array-buffer-fixed.js b/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/HasProperty/resizable-array-buffer-fixed.js new file mode 100644 index 0000000000..6e63fbe2b7 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/HasProperty/resizable-array-buffer-fixed.js @@ -0,0 +1,57 @@ +// |reftest| skip -- resizable-arraybuffer is not supported +// 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-integer-indexed-exotic-objects-hasproperty-p +description: returned keys reflect resized ArrayBuffer for a fixed-sized TypedArray +includes: [testTypedArray.js] +features: [Reflect, TypedArray, resizable-arraybuffer] +---*/ + +// If the host chooses to throw as allowed by the specification, the observed +// behavior will be identical to the case where `ArrayBuffer.prototype.resize` +// has not been implemented. The following assertion prevents this test from +// passing in runtimes which have not implemented the method. +assert.sameValue(typeof ArrayBuffer.prototype.resize, "function"); + +function inspect(array) { + return [ + Reflect.has(array, 0), + Reflect.has(array, 1), + Reflect.has(array, 2), + Reflect.has(array, 3), + Reflect.has(array, 4) + ].join(","); +} + +testWithTypedArrayConstructors(function(TA) { + var BPE = TA.BYTES_PER_ELEMENT; + var ab = new ArrayBuffer(BPE * 4, {maxByteLength: BPE * 5}); + var array = new TA(ab, BPE, 2); + + assert.sameValue(inspect(array), "true,true,false,false,false", "initial"); + + try { + ab.resize(BPE * 5); + } catch (_) {} + + assert.sameValue(inspect(array), "true,true,false,false,false", "following grow"); + + try { + ab.resize(BPE * 3); + } catch (_) {} + + assert.sameValue(inspect(array), "true,true,false,false,false", "following shrink (within bounds)"); + + var expected; + try { + ab.resize(BPE * 2); + expected = "false,false,false,false,false"; + } catch (_) { + expected = "true,true,false,false,false"; + } + + assert.sameValue(inspect(array), expected, "following shrink (out of bounds)"); +}); + +reportCompare(0, 0); |