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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/findLastIndex/predicate-may-detach-buffer.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/TypedArray/prototype/findLastIndex/predicate-may-detach-buffer.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/findLastIndex/predicate-may-detach-buffer.js | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findLastIndex/predicate-may-detach-buffer.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findLastIndex/predicate-may-detach-buffer.js new file mode 100644 index 0000000000..9edb72ff2f --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findLastIndex/predicate-may-detach-buffer.js @@ -0,0 +1,39 @@ +// Copyright (C) 2021 Microsoft. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-%typedarray%.prototype.findlastindex +description: > + Predicate may detach the buffer +info: | + %TypedArray%.prototype.findLastIndex ( predicate [ , thisArg ] ) + + ... + 6. Repeat, while k ≥ 0, + a. Let Pk be ! ToString(𝔽(k)). + b. Let kValue be ! Get(O, Pk). + c. Let testResult be ! ToBoolean(? Call(predicate, thisArg, « kValue, 𝔽(k), O »)). + ... + + IntegerIndexedElementGet ( O, index ) + + Let buffer be the value of O's [[ViewedArrayBuffer]] internal slot. + If IsDetachedBuffer(buffer) is true, return undefined. + +includes: [testTypedArray.js, detachArrayBuffer.js] +features: [TypedArray, array-find-from-last] +---*/ + +testWithTypedArrayConstructors(function(TA) { + var sample = new TA(2); + var loops = 0; + + sample.findLastIndex(function() { + if (loops === 0) { + $DETACHBUFFER(sample.buffer); + } + loops++; + }); + assert.sameValue(loops, 2, "predicate is called once"); +}); + +reportCompare(0, 0); |