identity.js - mozsearch

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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-getmodulenamespace

description: >

  Deferred namespace objects are created and cached appropriately

info: |

  GetModuleNamespace ( _module_, _phase_ )

    1. ...

    1. If _phase_ is ~defer~, let _namespace_ be _module_.[[DeferredNamespace]], otherwise let _namespace_ be _module_.[[Namespace]].

    1. If _namespace_ is ~empty~, then

      1. ...

      1. Set _namespace_ to ModuleNamespaceCreate(_module_, _unambiguousNames_, _phase_).

    1. Return _namespace_.

  ModuleNamespaceCreate ( _module_, _exports_, _phase_ )

    1. ...

    1. Let _M_ be MakeBasicObject(_internalSlotsList_).

    1. ...

    1. If _phase_ is ~defer~, then

      1. Set _module_.[[DeferredNamespace]] to _M_.

      1. ...

    1. Else,

      1. Set _module_.[[Namespace]] to _M_.

      1. ...

    1. Return _M_.

flags: [module]

features: [import-defer]

---*/

import * as nsEager from "./dep_FIXTURE.js";

import defer * as nsDeferred1 from "./dep_FIXTURE.js";

import defer * as nsDeferred2 from "./dep_FIXTURE.js";

import { depDeferredNamespace as nsDeferred3 } from "./dep-defer-ns_FIXTURE.js";

const nsDeferred4 = await import.defer("./dep_FIXTURE.js");

assert.sameValue(nsDeferred1, nsDeferred2, "Deferred import of the same module twice gives the same object");

assert.sameValue(nsDeferred1, nsDeferred3, "Deferred import of the same module twice from different files gives the same object");

assert.sameValue(nsDeferred1, nsDeferred4, "Static and dynamic deferred import of the same module gives the same object");

assert.notSameValue(nsDeferred1, nsEager, "Deferred namespaces are distinct from eager namespaces");

reportCompare(0, 0);