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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /js/src/tests/test262/built-ins/TypedArray/prototype/map/speciesctor-get-species-custom-ctor.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/built-ins/TypedArray/prototype/map/speciesctor-get-species-custom-ctor.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/map/speciesctor-get-species-custom-ctor.js | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/map/speciesctor-get-species-custom-ctor.js b/js/src/tests/test262/built-ins/TypedArray/prototype/map/speciesctor-get-species-custom-ctor.js new file mode 100644 index 0000000000..cc5cd4a718 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/map/speciesctor-get-species-custom-ctor.js @@ -0,0 +1,58 @@ +// Copyright (C) 2018 Peter Wong. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-%typedarray%.prototype.map +description: > + Use custom @@species constructor if available +info: | + 22.2.3.19 %TypedArray%.prototype.map ( callbackfn [ , thisArg ] ) + + ... + 6. Let A be ? TypedArraySpeciesCreate(O, « len »). + ... + + 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: [testTypedArray.js, compareArray.js] +features: [Symbol.species, TypedArray] +---*/ + +testWithTypedArrayConstructors(function(TA) { + var sample = new TA([40, 41, 42]); + var calls = 0; + var other, result; + + sample.constructor = {}; + sample.constructor[Symbol.species] = function(len) { + calls++; + other = new TA(len); + return other; + }; + + result = sample.map(function(a) { return a + 7; }); + + assert.sameValue(calls, 1, "ctor called once"); + assert.sameValue(result, other, "return is instance of custom constructor"); + assert(compareArray(result, [47, 48, 49]), "values are set on the new obj"); +}); + +reportCompare(0, 0); |