mirror of https://github.com/tc39/test262.git
40 lines
1.6 KiB
JavaScript
40 lines
1.6 KiB
JavaScript
// Copyright (C) 2019 Leo Balter. 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-Intl.DisplayNames
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description: Default [[Prototype]] value derived from realm of the newTarget
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info: |
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Intl.DisplayNames ( locales , options )
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1. If NewTarget is undefined, throw a TypeError exception.
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2. Let displayNames be ? OrdinaryCreateFromConstructor(NewTarget, "%DisplayNamesPrototype%",
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« [[InitializedDisplayNames]], [[Locale]], [[Style]], [[Type]], [[Fallback]], [[Fields]] »).
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...
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12. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency" », undefined).
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13. If type is undefined, throw a TypeError exception.
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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 ObjectCreate(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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features: [Intl.DisplayNames, cross-realm, Reflect]
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---*/
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var other = $262.createRealm().global;
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var C = new other.Function();
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C.prototype = null;
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var o = Reflect.construct(Intl.DisplayNames, [undefined, {type: 'language'}], C);
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assert.sameValue(Object.getPrototypeOf(o), other.Intl.DisplayNames.prototype);
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