diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
---|---|---|
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/TypedArray/prototype/findLastIndex/BigInt/return-negative-one-if-predicate-returns-false-value.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/TypedArray/prototype/findLastIndex/BigInt/return-negative-one-if-predicate-returns-false-value.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/findLastIndex/BigInt/return-negative-one-if-predicate-returns-false-value.js | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findLastIndex/BigInt/return-negative-one-if-predicate-returns-false-value.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findLastIndex/BigInt/return-negative-one-if-predicate-returns-false-value.js new file mode 100644 index 0000000000..eb08ec96ef --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findLastIndex/BigInt/return-negative-one-if-predicate-returns-false-value.js @@ -0,0 +1,52 @@ +// 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: > + Return -1 if predicate always returns a boolean false value. +info: | + %TypedArray%.prototype.findLastIndex ( predicate [ , thisArg ] ) + + ... + 5. Let k be len - 1. + 6. Repeat, while k ≥ 0 + ... + c. Let testResult be ! ToBoolean(? Call(predicate, thisArg, « kValue, 𝔽(k), O »)). + ... + 7. Return -1𝔽. +includes: [testBigIntTypedArray.js] +features: [BigInt, TypedArray, array-find-from-last] +---*/ + +testWithBigIntTypedArrayConstructors(function(TA) { + var sample = new TA([1n, 2n, 3n]); + var called = 0; + + var result = sample.findLastIndex(function() { + called++; + return false; + }); + + assert.sameValue(called, 3, "predicate was called three times"); + assert.sameValue(result, -1, "result is -1 when predicate returns are false"); + + result = sample.findLastIndex(function() { return ""; }); + assert.sameValue(result, -1, "ToBoolean(string)"); + + result = sample.findLastIndex(function() { return undefined; }); + assert.sameValue(result, -1, "ToBoolean(undefined)"); + + result = sample.findLastIndex(function() { return null; }); + assert.sameValue(result, -1, "ToBoolean(null)"); + + result = sample.findLastIndex(function() { return 0; }); + assert.sameValue(result, -1, "ToBoolean(0)"); + + result = sample.findLastIndex(function() { return -0; }); + assert.sameValue(result, -1, "ToBoolean(-0)"); + + result = sample.findLastIndex(function() { return NaN; }); + assert.sameValue(result, -1, "ToBoolean(NaN)"); +}); + +reportCompare(0, 0); |