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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /js/src/tests/test262/built-ins/Array/prototype/findLast/predicate-not-called-on-empty-array.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/findLast/predicate-not-called-on-empty-array.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/findLast/predicate-not-called-on-empty-array.js | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/findLast/predicate-not-called-on-empty-array.js b/js/src/tests/test262/built-ins/Array/prototype/findLast/predicate-not-called-on-empty-array.js new file mode 100644 index 0000000000..c922025e33 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/findLast/predicate-not-called-on-empty-array.js @@ -0,0 +1,32 @@ +// Copyright (C) 2021 Microsoft. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-array.prototype.findlast +description: > + Predicate is only called if this.length is > 0. +info: | + Array.prototype.findLast ( predicate[ , thisArg ] ) + + ... + 4. Let k be len - 1. + 5. Repeat, while k ≥ 0, + ... + c. Let testResult be ! ToBoolean(? Call(predicate, thisArg, « kValue, 𝔽(k), O »)). + ... + 6. Return undefined. +features: [array-find-from-last] +---*/ + +var called = false; + +var predicate = function() { + called = true; + return true; +}; + +var result = [].findLast(predicate); + +assert.sameValue(called, false, '[].findLast(predicate) does not call predicate'); +assert.sameValue(result, undefined, '[].findLast(predicate) returned undefined'); + +reportCompare(0, 0); |