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Test Info:

// META: global=window,worker,shadowrealm
'use strict';
const compressedBytesWithDeflate = [120, 156, 75, 52, 48, 52, 50, 54, 49, 53, 3, 0, 8, 136, 1, 199];
const compressedBytesWithGzip = [31, 139, 8, 0, 0, 0, 0, 0, 0, 3, 75, 52, 48, 52, 2, 0, 216, 252, 63, 136, 4, 0, 0, 0];
const compressedBytesWithDeflateRaw = [
0x00, 0x06, 0x00, 0xf9, 0xff, 0x41, 0x42, 0x43,
0x44, 0x45, 0x46, 0x01, 0x00, 0x00, 0xff, 0xff,
];
// These chunk values below were chosen to make the length of the compressed
// output be a multiple of 8 bytes.
const deflateExpectedChunkValue = new TextEncoder().encode('a0123456');
const gzipExpectedChunkValue = new TextEncoder().encode('a012');
const deflateRawExpectedChunkValue = new TextEncoder().encode('ABCDEF');
const bufferSourceChunksForDeflate = [
{
name: 'ArrayBuffer',
value: new Uint8Array(compressedBytesWithDeflate).buffer
},
{
name: 'Int8Array',
value: new Int8Array(new Uint8Array(compressedBytesWithDeflate).buffer)
},
{
name: 'Uint8Array',
value: new Uint8Array(new Uint8Array(compressedBytesWithDeflate).buffer)
},
{
name: 'Uint8ClampedArray',
value: new Uint8ClampedArray(new Uint8Array(compressedBytesWithDeflate).buffer)
},
{
name: 'Int16Array',
value: new Int16Array(new Uint8Array(compressedBytesWithDeflate).buffer)
},
{
name: 'Uint16Array',
value: new Uint16Array(new Uint8Array(compressedBytesWithDeflate).buffer)
},
{
name: 'Int32Array',
value: new Int32Array(new Uint8Array(compressedBytesWithDeflate).buffer)
},
{
name: 'Uint32Array',
value: new Uint32Array(new Uint8Array(compressedBytesWithDeflate).buffer)
},
{
name: 'Float16Array',
value: new Float16Array(new Uint8Array(compressedBytesWithDeflate).buffer)
},
{
name: 'Float32Array',
value: new Float32Array(new Uint8Array(compressedBytesWithDeflate).buffer)
},
{
name: 'Float64Array',
value: new Float64Array(new Uint8Array(compressedBytesWithDeflate).buffer)
},
{
name: 'DataView',
value: new DataView(new Uint8Array(compressedBytesWithDeflate).buffer)
},
];
const bufferSourceChunksForGzip = [
{
name: 'ArrayBuffer',
value: new Uint8Array(compressedBytesWithGzip).buffer
},
{
name: 'Int8Array',
value: new Int8Array(new Uint8Array(compressedBytesWithGzip).buffer)
},
{
name: 'Uint8Array',
value: new Uint8Array(new Uint8Array(compressedBytesWithGzip).buffer)
},
{
name: 'Uint8ClambedArray',
value: new Uint8ClampedArray(new Uint8Array(compressedBytesWithGzip).buffer)
},
{
name: 'Int16Array',
value: new Int16Array(new Uint8Array(compressedBytesWithGzip).buffer)
},
{
name: 'Uint16Array',
value: new Uint16Array(new Uint8Array(compressedBytesWithGzip).buffer)
},
{
name: 'Int32Array',
value: new Int32Array(new Uint8Array(compressedBytesWithGzip).buffer)
},
{
name: 'Uint32Array',
value: new Uint32Array(new Uint8Array(compressedBytesWithGzip).buffer)
},
{
name: 'Float16Array',
value: new Float16Array(new Uint8Array(compressedBytesWithGzip).buffer)
},
{
name: 'Float32Array',
value: new Float32Array(new Uint8Array(compressedBytesWithGzip).buffer)
},
{
name: 'Float64Array',
value: new Float64Array(new Uint8Array(compressedBytesWithGzip).buffer)
},
{
name: 'DataView',
value: new DataView(new Uint8Array(compressedBytesWithGzip).buffer)
},
];
const bufferSourceChunksForDeflateRaw = [
{
name: 'ArrayBuffer',
value: new Uint8Array(compressedBytesWithDeflateRaw).buffer
},
{
name: 'Int8Array',
value: new Int8Array(new Uint8Array(compressedBytesWithDeflateRaw).buffer)
},
{
name: 'Uint8Array',
value: new Uint8Array(new Uint8Array(compressedBytesWithDeflateRaw).buffer)
},
{
name: 'Uint8ClampedArray',
value: new Uint8ClampedArray(new Uint8Array(compressedBytesWithDeflateRaw).buffer)
},
{
name: 'Int16Array',
value: new Int16Array(new Uint8Array(compressedBytesWithDeflateRaw).buffer)
},
{
name: 'Uint16Array',
value: new Uint16Array(new Uint8Array(compressedBytesWithDeflateRaw).buffer)
},
{
name: 'Int32Array',
value: new Int32Array(new Uint8Array(compressedBytesWithDeflateRaw).buffer)
},
{
name: 'Uint32Array',
value: new Uint32Array(new Uint8Array(compressedBytesWithDeflateRaw).buffer)
},
{
name: 'Float16Array',
value: new Float16Array(new Uint8Array(compressedBytesWithDeflateRaw).buffer)
},
{
name: 'Float32Array',
value: new Float32Array(new Uint8Array(compressedBytesWithDeflateRaw).buffer)
},
{
name: 'Float64Array',
value: new Float64Array(new Uint8Array(compressedBytesWithDeflateRaw).buffer)
},
{
name: 'DataView',
value: new DataView(new Uint8Array(compressedBytesWithDeflateRaw).buffer)
},
];
for (const chunk of bufferSourceChunksForDeflate) {
promise_test(async t => {
const ds = new DecompressionStream('deflate');
const reader = ds.readable.getReader();
const writer = ds.writable.getWriter();
const writePromise = writer.write(chunk.value);
writer.close();
const { value } = await reader.read();
assert_array_equals(Array.from(value), deflateExpectedChunkValue, 'value should match');
}, `chunk of type ${chunk.name} should work for deflate`);
}
for (const chunk of bufferSourceChunksForGzip) {
promise_test(async t => {
const ds = new DecompressionStream('gzip');
const reader = ds.readable.getReader();
const writer = ds.writable.getWriter();
const writePromise = writer.write(chunk.value);
writer.close();
const { value } = await reader.read();
assert_array_equals(Array.from(value), gzipExpectedChunkValue, 'value should match');
}, `chunk of type ${chunk.name} should work for gzip`);
}
for (const chunk of bufferSourceChunksForDeflateRaw) {
promise_test(async t => {
const ds = new DecompressionStream('deflate-raw');
const reader = ds.readable.getReader();
const writer = ds.writable.getWriter();
const writePromise = writer.write(chunk.value);
writer.close();
const { value } = await reader.read();
assert_array_equals(Array.from(value), deflateRawExpectedChunkValue, 'value should match');
}, `chunk of type ${chunk.name} should work for deflate-raw`);
}