mozilla-central/testing/web-platform/tests/compression/decompression-correct-input.tentative.any.js (file symbol)

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// META: global=window,worker,shadowrealm
'use strict';
const deflateChunkValue = new Uint8Array([120, 156, 75, 173, 40, 72, 77, 46, 73, 77, 81, 200, 47, 45, 41, 40, 45, 1, 0, 48, 173, 6, 36]);
const gzipChunkValue = new Uint8Array([31, 139, 8, 0, 0, 0, 0, 0, 0, 3, 75, 173, 40, 72, 77, 46, 73, 77, 81, 200, 47, 45, 41, 40, 45, 1, 0, 176, 1, 57, 179, 15, 0, 0, 0]);
const deflateRawChunkValue = new Uint8Array([
0x4b, 0xad, 0x28, 0x48, 0x4d, 0x2e, 0x49, 0x4d, 0x51, 0xc8,
0x2f, 0x2d, 0x29, 0x28, 0x2d, 0x01, 0x00,
]);
const trueChunkValue = new TextEncoder().encode('expected output');
promise_test(async t => {
const ds = new DecompressionStream('deflate');
const reader = ds.readable.getReader();
const writer = ds.writable.getWriter();
const writePromise = writer.write(deflateChunkValue);
const { done, value } = await reader.read();
assert_array_equals(Array.from(value), trueChunkValue, "value should match");
}, 'decompressing deflated input should work');
promise_test(async t => {
const ds = new DecompressionStream('gzip');
const reader = ds.readable.getReader();
const writer = ds.writable.getWriter();
const writePromise = writer.write(gzipChunkValue);
const { done, value } = await reader.read();
assert_array_equals(Array.from(value), trueChunkValue, "value should match");
}, 'decompressing gzip input should work');
promise_test(async t => {
const ds = new DecompressionStream('deflate-raw');
const reader = ds.readable.getReader();
const writer = ds.writable.getWriter();
const writePromise = writer.write(deflateRawChunkValue);
const { done, value } = await reader.read();
assert_array_equals(Array.from(value), trueChunkValue, "value should match");
}, 'decompressing deflated (with -raw) input should work');