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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/test262/built-ins/Proxy/get-fn-realm-recursive.js
parentInitial commit. (diff)
downloadfirefox-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>
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+// Copyright (C) 2019 Aleksey Shvayka. 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.
+ GetFunctionRealm is called recursively.
+info: |
+ Boolean ( value )
+
+ [...]
+ 3. Let O be ? OrdinaryCreateFromConstructor(NewTarget, "%Boolean.prototype%", « [[BooleanData]] »).
+ [...]
+ 5. Return O.
+
+ 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 realm4 = $262.createRealm().global;
+
+var newTarget = new realm1.Function();
+newTarget.prototype = null;
+
+var newTargetProxy = new realm2.Proxy(newTarget, {});
+var newTargetProxyProxy = new realm3.Proxy(newTargetProxy, {});
+var boolean = Reflect.construct(realm4.Boolean, [], newTargetProxyProxy);
+
+assert(boolean instanceof realm1.Boolean);
+assert.sameValue(Object.getPrototypeOf(boolean), realm1.Boolean.prototype);
+
+reportCompare(0, 0);