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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
commit2aa4a82499d4becd2284cdb482213d541b8804dd (patch)
treeb80bf8bf13c3766139fbacc530efd0dd9d54394c /js/src/tests/test262/built-ins/DataView/custom-proto-if-object-is-used.js
parentInitial commit. (diff)
downloadfirefox-upstream.tar.xz
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Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/built-ins/DataView/custom-proto-if-object-is-used.js')
-rw-r--r--js/src/tests/test262/built-ins/DataView/custom-proto-if-object-is-used.js48
1 files changed, 48 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/DataView/custom-proto-if-object-is-used.js b/js/src/tests/test262/built-ins/DataView/custom-proto-if-object-is-used.js
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+++ b/js/src/tests/test262/built-ins/DataView/custom-proto-if-object-is-used.js
@@ -0,0 +1,48 @@
+// 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 newTarget's custom constructor prototype if 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() {}
+var proto = {};
+newTarget.prototype = proto;
+
+var sample = Reflect.construct(DataView, [buffer, 0], newTarget);
+
+assert.sameValue(sample.constructor, Object);
+assert.sameValue(Object.getPrototypeOf(sample), proto);
+
+reportCompare(0, 0);