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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/return-found-value-predicate-result-is-true.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/return-found-value-predicate-result-is-true.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/findLast/return-found-value-predicate-result-is-true.js | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/findLast/return-found-value-predicate-result-is-true.js b/js/src/tests/test262/built-ins/Array/prototype/findLast/return-found-value-predicate-result-is-true.js new file mode 100644 index 0000000000..c9026b01ef --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/findLast/return-found-value-predicate-result-is-true.js @@ -0,0 +1,64 @@ +// 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: > + Return found value if predicate return a boolean true value. +info: | + Array.prototype.findLast ( predicate[ , thisArg ] ) + + ... + 5. Repeat, while k ≥ 0, + ... + c. Let testResult be ! ToBoolean(? Call(predicate, thisArg, « kValue, 𝔽(k), O »)). + d. If testResult is true, return kValue. + ... +features: [Symbol, array-find-from-last] +---*/ + +var arr = ['Shoes', 'Car', 'Bike']; +var called = 0; + +var result = arr.findLast(function() { + called++; + return true; +}); + +assert.sameValue(result, 'Bike'); +assert.sameValue(called, 1, 'predicate was called once'); + +called = 0; +result = arr.findLast(function(val) { + called++; + return val === 'Shoes'; +}); + +assert.sameValue(called, 3, 'predicate was called three times'); +assert.sameValue(result, 'Shoes'); + +result = arr.findLast(function() { + return 'string'; +}); +assert.sameValue(result, 'Bike', 'coerced string'); + +result = arr.findLast(function() { + return {}; +}); +assert.sameValue(result, 'Bike', 'coerced object'); + +result = arr.findLast(function() { + return Symbol(''); +}); +assert.sameValue(result, 'Bike', 'coerced Symbol'); + +result = arr.findLast(function() { + return 1; +}); +assert.sameValue(result, 'Bike', 'coerced number'); + +result = arr.findLast(function() { + return -1; +}); +assert.sameValue(result, 'Bike', 'coerced negative number'); + +reportCompare(0, 0); |