test262/test/language/expressions/dynamic-import/eval-rqstd-once.js

32 lines
1.0 KiB
JavaScript

// Copyright (C) 2018 Rick Waldron. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Requested modules are evaluated exactly once
esid: sec-moduleevaluation
info: |
[...]
4. If module.[[Evaluated]] is true, return undefined.
5. Set module.[[Evaluated]] to true.
6. For each String required that is an element of module.[[RequestedModules]] do,
a. Let requiredModule be ? HostResolveImportedModule(module, required).
b. Perform ? requiredModule.ModuleEvaluation().
[...]
includes: [fnGlobalObject.js]
flags: [async]
features: [dynamic-import]
---*/
var global = fnGlobalObject();
Promise.all([
import('./eval-rqstd-once_FIXTURE.js'),
import('./eval-rqstd-once_FIXTURE.js'),
]).then(async () => {
// Use await to serialize imports
await import('./eval-rqstd-once_FIXTURE.js');
await import('./eval-rqstd-once_FIXTURE.js');
assert.sameValue(global.test262, 262, 'global property was defined');
}).then($DONE, $DONE);