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Tests/LibWeb: Add TransformStream start callback test

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This test proves the ability of TransformStream to execute
caller supplied code in the start callback, and have access to
TransformStreamDefaultController.
This commit is contained in:
Kenneth Myhra 2023-07-13 23:43:20 +02:00 • committed by Andreas Kling
commit 5c6125c92b
Notes: sideshowbarker 2024-07-16 23:17:55 +09:00
2 changed files with 23 additions and 0 deletions
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3
Tests/LibWeb/Text/expected/Streams/TransformStream-start-callback.txt Normal file
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In start
Done: false
Hello, world!

20
Tests/LibWeb/Text/input/Streams/TransformStream-start-callback.html Normal file
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<script src="../include.js"></script>
<script>
test(() => {
const {readable} = new TransformStream({
start(controller) {
println("In start");
controller.enqueue("Hello, world!");
}
});
const reader = readable.getReader();
reader.read().then(function processText({done, value}) {
println(`Done: ${done}`);
if (done)
return;
println(value);
reader.read().then(processText);
});
});
</script>