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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/slice/speciesctor-get-species-custom-ctor-invocation.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/slice/speciesctor-get-species-custom-ctor-invocation.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/slice/speciesctor-get-species-custom-ctor-invocation.js | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/slice/speciesctor-get-species-custom-ctor-invocation.js b/js/src/tests/test262/built-ins/TypedArray/prototype/slice/speciesctor-get-species-custom-ctor-invocation.js new file mode 100644 index 0000000000..ec10f87cec --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/slice/speciesctor-get-species-custom-ctor-invocation.js @@ -0,0 +1,61 @@ +// 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.slice +description: > + Verify arguments on custom @@species construct call +info: | + 22.2.3.24 %TypedArray%.prototype.slice ( start, end ) + + ... + 9. Let A be ? TypedArraySpeciesCreate(O, « count »). + ... + + 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] +features: [Symbol.species, TypedArray] +---*/ + +testWithTypedArrayConstructors(function(TA) { + var sample = new TA([40, 41, 42]); + var result, ctorThis; + + sample.constructor = {}; + sample.constructor[Symbol.species] = function(count) { + result = arguments; + ctorThis = this; + return new TA(count); + }; + + sample.slice(1); + + assert.sameValue(result.length, 1, "called with 1 arguments"); + assert.sameValue(result[0], 2, "[0] is the new length count"); + + assert( + ctorThis instanceof sample.constructor[Symbol.species], + "`this` value in the @@species fn is an instance of the function itself" + ); +}); + +reportCompare(0, 0); |