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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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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/subarray/BigInt/speciesctor-get-species-custom-ctor.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/subarray/BigInt/speciesctor-get-species-custom-ctor.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/subarray/BigInt/speciesctor-get-species-custom-ctor.js | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/subarray/BigInt/speciesctor-get-species-custom-ctor.js b/js/src/tests/test262/built-ins/TypedArray/prototype/subarray/BigInt/speciesctor-get-species-custom-ctor.js new file mode 100644 index 0000000000..22f9502ae5 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/subarray/BigInt/speciesctor-get-species-custom-ctor.js @@ -0,0 +1,55 @@ +// 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.subarray +description: > + Use custom @@species constructor if available +info: | + 22.2.3.27 %TypedArray%.prototype.subarray( begin , end ) + + ... + 17. Return ? TypedArraySpeciesCreate(O, argumentsList). + + 22.2.4.7 TypedArraySpeciesCreate ( exemplar, argumentList ) + + ... + 3. Let constructor be ? SpeciesConstructor(exemplar, defaultConstructor). + 4. Return ? TypedArrayCreate(constructor, argumentList). + + 7.3.20 SpeciesConstructor ( O, defaultConstructor ) + + ... + 5. Let S be ? Get(C, @@species). + ... + 7. If IsConstructor(S) is true, return S. + ... + + 22.2.4.6 TypedArrayCreate ( constructor, argumentList ) + + 1. Let newTypedArray be ? Construct(constructor, argumentList). + 2. Perform ? ValidateTypedArray(newTypedArray). + 3. If argumentList is a List of a single Number, then + ... + 4. Return newTypedArray. +includes: [testBigIntTypedArray.js, compareArray.js] +features: [BigInt, Symbol.species, TypedArray] +---*/ + +testWithBigIntTypedArrayConstructors(function(TA) { + var sample = new TA([40n, 41n, 42n]); + var calls = 0; + var result; + + sample.constructor = {}; + sample.constructor[Symbol.species] = function(buffer, offset, length) { + calls++; + return new TA(buffer, offset, length); + }; + + result = sample.subarray(1); + + assert.sameValue(calls, 1, "ctor called once"); + assert(compareArray(result, [41n, 42n]), "expected subarray"); +}); + +reportCompare(0, 0); |