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// |reftest| shell-option(--enable-explicit-resource-management) skip-if(!(this.hasOwnProperty('getBuildConfiguration')&&getBuildConfiguration('explicit-resource-management'))||!xulRuntime.shell) async -- explicit-resource-management is not enabled unconditionally, requires shell-options
// Copyright (C) 2023 Ron Buckton. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-block-runtime-semantics-evaluation
description: Initialized value is disposed at end of Block
info: |
RS: Evaluation
Block : { StatementList }
...
5. Let blockValue be the result of evaluating StatementList.
6. Set blockValue to DisposeResources(blockEnv.[[DisposeCapability]], blockValue).
...
DisposeResources ( disposeCapability, completion )
1. For each resource of disposeCapability.[[DisposableResourceStack]], in reverse list order, do
a. Let result be Dispose(resource.[[ResourceValue]], resource.[[Hint]], resource.[[DisposeMethod]]).
b. If result.[[Type]] is throw, then
i. If completion.[[Type]] is throw, then
1. Set result to result.[[Value]].
2. Let suppressed be completion.[[Value]].
3. Let error be a newly created SuppressedError object.
4. Perform ! CreateNonEnumerableDataPropertyOrThrow(error, "error", result).
5. Perform ! CreateNonEnumerableDataPropertyOrThrow(error, "suppressed", suppressed).
6. Set completion to ThrowCompletion(error).
ii. Else,
1. Set completion to result.
2. Return completion.
Dispose ( V, hint, method )
1. If method is undefined, let result be undefined.
2. Else, let result be ? Call(method, V).
3. If hint is async-dispose, then
a. Perform ? Await(result).
4. Return undefined.
flags: [async]
includes: [asyncHelpers.js]
features: [explicit-resource-management]
---*/
asyncTest(async function () {
var resource = {
disposed: false,
async [Symbol.asyncDispose]() {
this.disposed = true;
}
};
{
await using _ = resource;
}
assert.sameValue(resource.disposed, true, 'Expected resource to have been disposed');
});