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firefox/js/xpconnect/tests/unit/test_ReadableStream_from.js
Daniel Baumann 5e9a113729
Adding upstream version 140.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-25 09:37:52 +02:00

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JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
add_task(async function run_test() {
let sb = new Cu.Sandbox('http://www.example.com');
let done = false;
let iterator = {
[Symbol.asyncIterator]() {
return this;
},
next() {
let promise = Cu.evalInSandbox(`Promise.resolve({done: ${done}, value: {hello: "world"}})`, sb);
done = true;
return promise;
}
}
let stream = ReadableStream.from(iterator);
let reader = stream.getReader();
let result = await reader.read();
Assert.equal(result.done, false);
Assert.equal(result.value?.hello, "world");
result = await reader.read();
Assert.equal(result.done, true);
});