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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/TypedArray/prototype/copyWithin/coerced-values-end-detached-prototype.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.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/TypedArray/prototype/copyWithin/coerced-values-end-detached-prototype.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/copyWithin/coerced-values-end-detached-prototype.js | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/copyWithin/coerced-values-end-detached-prototype.js b/js/src/tests/test262/built-ins/TypedArray/prototype/copyWithin/coerced-values-end-detached-prototype.js new file mode 100644 index 0000000000..2b687ed165 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/copyWithin/coerced-values-end-detached-prototype.js @@ -0,0 +1,42 @@ +// Copyright (C) 2019 Google. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-%typedarray%.prototype.copywithin +description: > + SECURITY: end argument is coerced to an integer values + causing array detachment, but the value is still defined + by a prototype +info: | + 22.2.3.5%TypedArray%.prototype.copyWithin ( target, start [ , end ] ) + ... + 8. If end is undefined, let relativeEnd be len; else let relativeEnd be ? ToInteger(end). + ... + 10. Let count be min(final - from, len - to). + 11. If count > 0, then + a. NOTE: The copying must be performed in a manner that preserves the bit-level encoding of the source data. + b. Let buffer be O.[[ViewedArrayBuffer]]. + c. If IsDetachedBuffer(buffer) is true, throw a TypeError exception. + ... +includes: [testTypedArray.js, detachArrayBuffer.js] +features: [TypedArray] +---*/ + +testWithTypedArrayConstructors(function(TA) { + var ta; + var array = []; + + function detachAndReturnIndex(){ + $DETACHBUFFER(ta.buffer); + Object.setPrototypeOf(ta, array); + return 101; + } + + array.length = 10000; // big arrays are more likely to cause a crash if they are accessed after they are freed + array.fill(7, 0); + ta = new TA(array); + assert.throws(TypeError, function(){ + ta.copyWithin(0, 100, {valueOf : detachAndReturnIndex}); + }, "should throw TypeError as array is detached"); +}); + +reportCompare(0, 0); |