diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/test262/built-ins/TypedArray/prototype/reduceRight/get-length-uses-internal-arraylength.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/built-ins/TypedArray/prototype/reduceRight/get-length-uses-internal-arraylength.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/reduceRight/get-length-uses-internal-arraylength.js | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/reduceRight/get-length-uses-internal-arraylength.js b/js/src/tests/test262/built-ins/TypedArray/prototype/reduceRight/get-length-uses-internal-arraylength.js new file mode 100644 index 0000000000..63d2ba2c75 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/reduceRight/get-length-uses-internal-arraylength.js @@ -0,0 +1,48 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-%typedarray%.prototype.reduceright +description: Get "length" uses internal ArrayLength +info: | + 22.2.3.21 %TypedArray%.prototype.reduceRight ( callbackfn [ , initialValue ] ) + + %TypedArray%.prototype.reduceRight is a distinct function that implements the + same algorithm as Array.prototype.reduceRight as defined in 22.1.3.20 except + that the this object's [[ArrayLength]] internal slot is accessed in place of + performing a [[Get]] of "length". + + 22.1.3.20 Array.prototype.reduceRight ( callbackfn [ , initialValue ] ) + + 1. Let O be ? ToObject(this value). + 2. Let len be ? ToLength(? Get(O, "length")). + ... +includes: [testTypedArray.js] +features: [TypedArray] +---*/ + +var getCalls = 0; +var desc = { + get: function getLen() { + getCalls++; + return 0; + } +}; + +Object.defineProperty(TypedArray.prototype, "length", desc); + +testWithTypedArrayConstructors(function(TA) { + var sample = new TA([42, 43]); + var calls = 0; + + Object.defineProperty(TA.prototype, "length", desc); + Object.defineProperty(sample, "length", desc); + + sample.reduceRight(function() { + calls++; + }, 0); + + assert.sameValue(getCalls, 0, "ignores length properties"); + assert.sameValue(calls, 2, "iterations are not affected by custom length"); +}); + +reportCompare(0, 0); |