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Diffstat (limited to 'js/src/tests/test262/built-ins/TypedArray/prototype/findLast/predicate-call-this-strict-strict.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/findLast/predicate-call-this-strict-strict.js | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findLast/predicate-call-this-strict-strict.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findLast/predicate-call-this-strict-strict.js new file mode 100644 index 0000000000..6c9b6936bf --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findLast/predicate-call-this-strict-strict.js @@ -0,0 +1,42 @@ +'use strict'; +// 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: > + Verify predicate this on strict mode +info: | + %TypedArray%.prototype.findLast (predicate [ , thisArg ] ) + + 6. Repeat, while k ≥ 0, + ... + c. Let testResult be ! ToBoolean(? Call(predicate, thisArg, « kValue, 𝔽(k), O »)). + ... +flags: [onlyStrict] +includes: [testTypedArray.js] +features: [TypedArray, array-find-from-last] +---*/ + +testWithTypedArrayConstructors(function(TA) { + var sample = new TA(1); + var result; + + sample.findLast(function() { + result = this; + }); + + assert.sameValue( + result, + undefined, + "without thisArg, predicate this is undefined" + ); + + var o = {}; + sample.findLast(function() { + result = this; + }, o); + + assert.sameValue(result, o, "thisArg becomes the predicate this"); +}); + +reportCompare(0, 0); |