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Tests/LibWeb: Add TransformStream transform callback test

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This test proves the ability of TransformStream to execute to execute
caller supplied code in the transform callback that can transform
incoming chunks, and have access to TransformStreamDefaultController.
This commit is contained in:
Kenneth Myhra 2023-07-13 23:29:01 +02:00 • committed by Andreas Kling
parent 1faca5ed9f
commit 74fdf59941
Notes: sideshowbarker 2024-07-17 06:24:08 +09:00
2 changed files with 25 additions and 0 deletions
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3
Tests/LibWeb/Text/expected/Streams/TransformStream-transform-callback.txt Normal file
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Done: false
HELLO, WORLD!
Done: true

22
Tests/LibWeb/Text/input/Streams/TransformStream-transform-callback.html Normal file
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<script src="../include.js"></script>
<script>
test(() => {
const {writable, readable} = new TransformStream({
transform(chunk, controller) {
controller.enqueue(chunk.toUpperCase());
}
});
const writer = writable.getWriter();
writer.write("Hello, world!");
writer.close();
const reader = readable.getReader();
reader.read().then(function processText({done, value}) {
println(`Done: ${done}`);
if (done)
return;
println(value);
reader.read().then(processText);
});
});
</script>