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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/TypedArrayConstructors/ctors/no-args/use-default-proto-if-custom-proto-is-not-object.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/TypedArrayConstructors/ctors/no-args/use-default-proto-if-custom-proto-is-not-object.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArrayConstructors/ctors/no-args/use-default-proto-if-custom-proto-is-not-object.js | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArrayConstructors/ctors/no-args/use-default-proto-if-custom-proto-is-not-object.js b/js/src/tests/test262/built-ins/TypedArrayConstructors/ctors/no-args/use-default-proto-if-custom-proto-is-not-object.js new file mode 100644 index 0000000000..ca9f018f0d --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArrayConstructors/ctors/no-args/use-default-proto-if-custom-proto-is-not-object.js @@ -0,0 +1,45 @@ +// 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 +description: > + Use prototype from %TypedArray% if newTarget's prototype is not an Object +info: | + 22.2.4.1 TypedArray( ) + + This description applies only if the TypedArray function is called with no + arguments. + + ... + 3. Return ? AllocateTypedArray(constructorName, NewTarget, + %TypedArrayPrototype%, 0). + + 22.2.4.2.1 Runtime Semantics: AllocateTypedArray (constructorName, newTarget, + defaultProto [ , length ]) + + 1. Let proto be ? GetPrototypeFromConstructor(newTarget, defaultProto). + 2. Let obj be IntegerIndexedObjectCreate (proto, «[[ViewedArrayBuffer]], + [[TypedArrayName]], [[ByteLength]], [[ByteOffset]], [[ArrayLength]]» ). + ... + + 9.4.5.7 IntegerIndexedObjectCreate (prototype, internalSlotsList) + + ... + 10. Set the [[Prototype]] internal slot of A to prototype. + ... + 12. Return A. +includes: [testTypedArray.js] +features: [TypedArray] +---*/ + +function newTarget() {} +newTarget.prototype = null; + +testWithTypedArrayConstructors(function(TA) { + var ta = Reflect.construct(TA, [], newTarget); + + assert.sameValue(ta.constructor, TA); + assert.sameValue(Object.getPrototypeOf(ta), TA.prototype); +}); + +reportCompare(0, 0); |