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// |reftest| skip module -- import-defer is not supported
// Copyright (C) 2024 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-modulenamespacecreate
description: >
Deferred namespace objects have the correct MOP implementation
info: |
ModuleNamespaceCreate ( _module_, _exports_, _phase_ )
1. Let _internalSlotsList_ be the internal slots listed in <emu-xref href="#table-internal-slots-of-module-namespace-exotic-objects"></emu-xref>.
1. Let _M_ be MakeBasicObject(_internalSlotsList_).
1. Set _M_'s essential internal methods to the definitions specified in <emu-xref href="#sec-module-namespace-exotic-objects"></emu-xref>.
1. ...
[[GetPrototypeOf]] ( )
1. Return null.
[[IsExtensible]] ( )
1. Return false.
flags: [module]
features: [import-defer]
includes: [propertyHelper.js, compareArray.js]
---*/
import defer * as ns from "./dep_FIXTURE.js";
assert.sameValue(typeof ns, "object", "Deferred namespaces are objects");
assert(!Reflect.isExtensible(ns), "Deferred namespaces are not extensible");
assert.sameValue(Reflect.preventExtensions(ns), true, "Deferred namespaces can made non-extensible");
assert.sameValue(Reflect.getPrototypeOf(ns), null, "Deferred namespaces have a null prototype");
assert.sameValue(Reflect.setPrototypeOf(ns, {}), false, "Deferred namespaces' prototype cannot be changed");
assert.sameValue(Reflect.setPrototypeOf(ns, null), true, "Deferred namespaces' prototype can be 'set' to null");
assert.throws(TypeError, () => Reflect.apply(ns, null, []), "Deferred namespaces are not callable");
assert.throws(TypeError, () => Reflect.construct(ns, [], ns), "Deferred namespaces are not constructable");
assert.compareArray(
Reflect.ownKeys(ns),
["bar", "foo", Symbol.toStringTag],
"Deferred namespaces' keys are the exports sorted alphabetically, followed by @@toStringTag"
);
verifyProperty(ns, "foo", {
value: 1,
writable: true,
enumerable: true,
configurable: false,
});
assert.sameValue(Reflect.getOwnPropertyDescriptor(ns, "non-existent"), undefined, "No descriptors for non-exports");
reportCompare(0, 0);