mirror of https://github.com/tc39/test262.git
58 lines
1.8 KiB
JavaScript
58 lines
1.8 KiB
JavaScript
// Copyright (C) 2019 Aleksey Shvayka. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-getfunctionrealm
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description: >
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The realm of a Proxy exotic object is the realm of its target function.
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GetFunctionRealm is called recursively.
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info: |
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Boolean ( value )
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[...]
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3. Let O be ? OrdinaryCreateFromConstructor(NewTarget, "%Boolean.prototype%", « [[BooleanData]] »).
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[...]
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5. Return O.
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OrdinaryCreateFromConstructor ( constructor, intrinsicDefaultProto [ , internalSlotsList ] )
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[...]
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2. Let proto be ? GetPrototypeFromConstructor(constructor, intrinsicDefaultProto).
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3. Return OrdinaryObjectCreate(proto, internalSlotsList).
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GetPrototypeFromConstructor ( constructor, intrinsicDefaultProto )
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[...]
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3. Let proto be ? Get(constructor, "prototype").
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4. If Type(proto) is not Object, then
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a. Let realm be ? GetFunctionRealm(constructor).
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b. Set proto to realm's intrinsic object named intrinsicDefaultProto.
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5. Return proto.
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GetFunctionRealm ( obj )
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[...]
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2. If obj has a [[Realm]] internal slot, then
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a. Return obj.[[Realm]].
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[...]
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4. If obj is a Proxy exotic object, then
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[...]
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b. Let proxyTarget be obj.[[ProxyTarget]].
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c. Return ? GetFunctionRealm(proxyTarget).
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features: [cross-realm, Reflect, Proxy]
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---*/
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var realm1 = $262.createRealm().global;
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var realm2 = $262.createRealm().global;
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var realm3 = $262.createRealm().global;
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var realm4 = $262.createRealm().global;
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var newTarget = new realm1.Function();
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newTarget.prototype = null;
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var newTargetProxy = new realm2.Proxy(newTarget, {});
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var newTargetProxyProxy = new realm3.Proxy(newTargetProxy, {});
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var boolean = Reflect.construct(realm4.Boolean, [], newTargetProxyProxy);
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assert(boolean instanceof realm1.Boolean);
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assert.sameValue(Object.getPrototypeOf(boolean), realm1.Boolean.prototype);
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