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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/DataView/custom-proto-if-not-object-fallbacks-to-default-prototype.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/DataView/custom-proto-if-not-object-fallbacks-to-default-prototype.js')
-rw-r--r-- | js/src/tests/test262/built-ins/DataView/custom-proto-if-not-object-fallbacks-to-default-prototype.js | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/DataView/custom-proto-if-not-object-fallbacks-to-default-prototype.js b/js/src/tests/test262/built-ins/DataView/custom-proto-if-not-object-fallbacks-to-default-prototype.js new file mode 100644 index 0000000000..7c4d0530ec --- /dev/null +++ b/js/src/tests/test262/built-ins/DataView/custom-proto-if-not-object-fallbacks-to-default-prototype.js @@ -0,0 +1,47 @@ +// 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-dataview-buffer-byteoffset-bytelength +description: > + Use DataView.prototype if newTarget's prototype is not an Object +info: | + 24.2.2.1 DataView (buffer, byteOffset, byteLength ) + + ... + 12. Let O be ? OrdinaryCreateFromConstructor(NewTarget, "%DataViewPrototype%", + « [[DataView]], [[ViewedArrayBuffer]], [[ByteLength]], [[ByteOffset]] »). + ... + 17. Return O. + + 9.1.13 OrdinaryCreateFromConstructor ( constructor, intrinsicDefaultProto [ , + internalSlotsList ] ) + + ... + 2. Let proto be ? GetPrototypeFromConstructor(constructor, + intrinsicDefaultProto). + 3. Return ObjectCreate(proto, internalSlotsList). + + 9.1.15 GetPrototypeFromConstructor ( constructor, intrinsicDefaultProto ) + + ... + 3. Let proto be ? Get(constructor, "prototype"). + 4. If Type(proto) is not Object, then + a. Let realm be ? GetFunctionRealm(constructor). + b. Let proto be realm's intrinsic object named intrinsicDefaultProto. + 5. Return proto. + ... +features: [Reflect.construct] +---*/ + +var buffer = new ArrayBuffer(8); + +function newTarget() {} +newTarget.prototype = null; + +var sample = Reflect.construct(DataView, [buffer, 0], newTarget); + +assert.sameValue(sample.constructor, DataView); +assert.sameValue(Object.getPrototypeOf(sample), DataView.prototype); + +reportCompare(0, 0); |