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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/Proxy/get-fn-realm.js
parentInitial commit. (diff)
downloadfirefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz
firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+// 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-getfunctionrealm
+description: >
+ The realm of a Proxy exotic object is the realm of its target function.
+info: |
+ Array ( )
+
+ [...]
+ 4. Let proto be ? GetPrototypeFromConstructor(newTarget, "%Array.prototype%").
+ 5. Return ! ArrayCreate(0, proto).
+
+ OrdinaryCreateFromConstructor ( constructor, intrinsicDefaultProto [ , internalSlotsList ] )
+
+ [...]
+ 2. Let proto be ? GetPrototypeFromConstructor(constructor, intrinsicDefaultProto).
+ 3. Return OrdinaryObjectCreate(proto, internalSlotsList).
+
+ 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. Set proto to realm's intrinsic object named intrinsicDefaultProto.
+ 5. Return proto.
+
+ GetFunctionRealm ( obj )
+
+ [...]
+ 2. If obj has a [[Realm]] internal slot, then
+ a. Return obj.[[Realm]].
+ [...]
+ 4. If obj is a Proxy exotic object, then
+ [...]
+ b. Let proxyTarget be obj.[[ProxyTarget]].
+ c. Return ? GetFunctionRealm(proxyTarget).
+features: [cross-realm, Reflect, Proxy]
+---*/
+
+var realm1 = $262.createRealm().global;
+var realm2 = $262.createRealm().global;
+var realm3 = $262.createRealm().global;
+
+var newTarget = new realm1.Function();
+newTarget.prototype = false;
+
+var newTargetProxy = new realm2.Proxy(newTarget, {});
+var array = Reflect.construct(realm3.Array, [], newTargetProxy);
+
+assert(array instanceof realm1.Array);
+assert.sameValue(Object.getPrototypeOf(array), realm1.Array.prototype);
+
+reportCompare(0, 0);