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author | Rick Waldron <waldron.rick@gmail.com> | 2018-02-15 18:03:39 -0500 |
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committer | GitHub <noreply@github.com> | 2018-02-15 18:03:39 -0500 |
commit | 7024f3fa11e7e5169c4d42fc8ee7de3e93f7de9d (patch) | |
tree | f2f7a2758bade35564399fad33fd8cb9fa98580f /test/built-ins/TypedArray/prototype/some/BigInt/get-length-uses-internal-arraylength.js | |
parent | afa24856b4b9bc00315b3e47745187d33c471406 (diff) | |
parent | 857f1d429b939c6feef1951041b5c91c9f3a8b4a (diff) | |
download | qtdeclarative-testsuites-7024f3fa11e7e5169c4d42fc8ee7de3e93f7de9d.tar.gz |
Merge pull request #1413 from leobalter/cxielarko-bigint-ta-3
BigInt+TypedArray tests, splitted
Diffstat (limited to 'test/built-ins/TypedArray/prototype/some/BigInt/get-length-uses-internal-arraylength.js')
-rw-r--r-- | test/built-ins/TypedArray/prototype/some/BigInt/get-length-uses-internal-arraylength.js | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/test/built-ins/TypedArray/prototype/some/BigInt/get-length-uses-internal-arraylength.js b/test/built-ins/TypedArray/prototype/some/BigInt/get-length-uses-internal-arraylength.js new file mode 100644 index 000000000..bca0d658f --- /dev/null +++ b/test/built-ins/TypedArray/prototype/some/BigInt/get-length-uses-internal-arraylength.js @@ -0,0 +1,46 @@ +// 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.some +description: Get "length" uses internal ArrayLength +info: | + 22.2.3.25 %TypedArray%.prototype.some ( callbackfn [ , thisArg ] ) + + %TypedArray%.prototype.some is a distinct function that implements the same + algorithm as Array.prototype.some as defined in 22.1.3.24 except that the this + object's [[ArrayLength]] internal slot is accessed in place of performing a + [[Get]] of "length". + + 22.1.3.24 Array.prototype.some ( callbackfn [ , thisArg ] ) + + 1. Let O be ? ToObject(this value). + 2. Let len be ? ToLength(? Get(O, "length")). + ... +includes: [testBigIntTypedArray.js] +features: [BigInt, TypedArray] +---*/ + +var getCalls = 0; +var desc = { + get: function getLen() { + getCalls++; + return 0; + } +}; + +Object.defineProperty(TypedArray.prototype, "length", desc); + +testWithBigIntTypedArrayConstructors(function(TA) { + var sample = new TA([42n, 43n]); + var calls = 0; + + Object.defineProperty(TA.prototype, "length", desc); + Object.defineProperty(sample, "length", desc); + + sample.some(function() { + calls++; + }); + + assert.sameValue(getCalls, 0, "ignores length properties"); + assert.sameValue(calls, 2, "iterations are not affected by custom length"); +}); |