diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/TypedArray/prototype/findLastIndex/get-length-ignores-length-prop.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/findLastIndex/get-length-ignores-length-prop.js | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findLastIndex/get-length-ignores-length-prop.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findLastIndex/get-length-ignores-length-prop.js new file mode 100644 index 0000000000..389ec09afa --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findLastIndex/get-length-ignores-length-prop.js @@ -0,0 +1,45 @@ +// 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: > + [[Get]] of "length" uses [[ArrayLength]] +info: | + %TypedArray%.prototype.findLastIndex ( predicate [ , thisArg ] ) + + ... + 3. Let len be O.[[ArrayLength]]. + ... +includes: [testTypedArray.js] +features: [TypedArray, array-find-from-last] +---*/ + +Object.defineProperty(TypedArray.prototype, "length", { + get: function() { + throw new Test262Error(); + } +}); + +testWithTypedArrayConstructors(function(TA) { + Object.defineProperty(TA.prototype, "length", { + get: function() { + throw new Test262Error(); + } + }); + + var sample = new TA([42]); + + Object.defineProperty(sample, "length", { + get: function() { + throw new Test262Error(); + }, + configurable: true + }); + + assert.sameValue( + sample.findLastIndex(function() { return true; }), + 0 + ); +}); + +reportCompare(0, 0); |