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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/findLast/BigInt/return-found-value-predicate-result-is-true.js | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findLast/BigInt/return-found-value-predicate-result-is-true.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findLast/BigInt/return-found-value-predicate-result-is-true.js new file mode 100644 index 0000000000..30513a47e9 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findLast/BigInt/return-found-value-predicate-result-is-true.js @@ -0,0 +1,55 @@ +// Copyright (C) 2021 Microsoft. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-%typedarray%.prototype.findlast +description: > + Return found value if predicate return a boolean true value. +info: | + %TypedArray%.prototype.findLast (predicate [ , thisArg ] ) + + 6. Repeat, while k ≥ 0, + ... + c. Let testResult be ! ToBoolean(? Call(predicate, thisArg, « kValue, 𝔽(k), O »)). + d. If testResult is true, return kValue. + ... +includes: [testBigIntTypedArray.js] +features: [BigInt, Symbol, TypedArray, array-find-from-last] +---*/ + +testWithBigIntTypedArrayConstructors(function(TA) { + var sample = new TA([39n, 2n, 62n]); + var called, result; + + called = 0; + result = sample.findLast(function() { + called++; + return true; + }); + assert.sameValue(result, 62n, "returned true on sample[2]"); + assert.sameValue(called, 1, "predicate was called once"); + + called = 0; + result = sample.findLast(function(val) { + called++; + return val === 39n; + }); + assert.sameValue(called, 3, "predicate was called three times"); + assert.sameValue(result, 39n, "returned true on sample[0]"); + + result = sample.findLast(function() { return "string"; }); + assert.sameValue(result, 62n, "ToBoolean(string)"); + + result = sample.findLast(function() { return {}; }); + assert.sameValue(result, 62n, "ToBoolean(object)"); + + result = sample.findLast(function() { return Symbol(""); }); + assert.sameValue(result, 62n, "ToBoolean(symbol)"); + + result = sample.findLast(function() { return 1; }); + assert.sameValue(result, 62n, "ToBoolean(number)"); + + result = sample.findLast(function() { return -1; }); + assert.sameValue(result, 62n, "ToBoolean(negative number)"); +}); + +reportCompare(0, 0); |