7feff3a715
PR-URL: https://github.com/nodejs/node/pull/62107 Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Mattias Buelens <mattias@buelens.com> Reviewed-By: René <contact.9a5d6388@renegade334.me.uk>
38 lines
1.2 KiB
JavaScript
38 lines
1.2 KiB
JavaScript
// META: global=window,worker,shadowrealm
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// META: script=resources/decompression-input.js
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'use strict';
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async function decompressArrayBuffer(input, format, chunkSize) {
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const ds = new DecompressionStream(format);
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const reader = ds.readable.getReader();
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const writer = ds.writable.getWriter();
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for (let beginning = 0; beginning < input.length; beginning += chunkSize) {
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writer.write(input.slice(beginning, beginning + chunkSize));
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}
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writer.close();
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const out = [];
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let totalSize = 0;
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while (true) {
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const { value, done } = await reader.read();
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if (done) break;
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out.push(value);
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totalSize += value.byteLength;
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}
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const concatenated = new Uint8Array(totalSize);
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let offset = 0;
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for (const array of out) {
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concatenated.set(array, offset);
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offset += array.byteLength;
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}
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return concatenated;
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}
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for (const [format, bytes] of compressedBytes) {
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for (let chunkSize = 1; chunkSize < 16; ++chunkSize) {
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promise_test(async t => {
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const decompressedData = await decompressArrayBuffer(bytes, format, chunkSize);
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assert_array_equals(decompressedData, expectedChunkValue, "value should match");
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}, `decompressing splitted chunk into pieces of size ${chunkSize} should work in ${format}`);
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}
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}
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