ladybird/Tests/LibWeb/Text/input/Compression/CompressionStream.html

<script src="../include.js"></script>
<script>
    asyncTest(async done => {
        const text = "Well hello friends!";

        for (const format of ["deflate", "deflate-raw", "gzip"]) {
            let stream = new Blob([text]).stream();

            let compressor = stream.pipeThrough(new CompressionStream(format));
            let reader = compressor.getReader();

            let buffer = new ArrayBuffer(256);
            let offset = 0;

            while (true) {
                let result = await reader.read();
                if (result.done) {
                    break;
                }

                new Uint8Array(buffer).set(result.value, offset);
                offset += result.value.byteLength;
            }

            let result = new Uint8Array(buffer, 0, offset).toBase64();
            println(`format=${format}: ${result}`);
        }

        done();
    });
</script>