forked from mirrors/gecko-dev
eff8fa41a8
Automatic update from web-platform-tests Encoding: add some basic EOF tests For https://github.com/whatwg/encoding/pull/265. -- wpt-commits: 9eab9a5f0b8768ee0de824a9d136c7c0da55b4dd wpt-pr: 29481
76 lines
3.5 KiB
JavaScript
76 lines
3.5 KiB
JavaScript
// META: global=window,worker
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// META: script=resources/readable-stream-from-array.js
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// META: script=resources/readable-stream-to-array.js
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// META: script=/common/sab.js
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'use strict';
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["ArrayBuffer", "SharedArrayBuffer"].forEach((arrayBufferOrSharedArrayBuffer) => {
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const inputChunkData = [73, 32, 240, 159, 146, 153, 32, 115, 116, 114, 101, 97, 109, 115];
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const emptyChunk = new Uint8Array(createBuffer(arrayBufferOrSharedArrayBuffer, 0));
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const inputChunk = new Uint8Array(createBuffer(arrayBufferOrSharedArrayBuffer, inputChunkData.length));
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inputChunk.set(inputChunkData);
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const expectedOutputString = 'I \u{1F499} streams';
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promise_test(async () => {
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const input = readableStreamFromArray([inputChunk]);
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const output = input.pipeThrough(new TextDecoderStream());
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const array = await readableStreamToArray(output);
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assert_array_equals(array, [expectedOutputString],
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'the output should be in one chunk');
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}, 'decoding one UTF-8 chunk should give one output string - ' + arrayBufferOrSharedArrayBuffer);
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promise_test(async () => {
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const input = readableStreamFromArray([emptyChunk]);
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const output = input.pipeThrough(new TextDecoderStream());
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const array = await readableStreamToArray(output);
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assert_array_equals(array, [], 'no chunks should be output');
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}, 'decoding an empty chunk should give no output chunks - ' + arrayBufferOrSharedArrayBuffer);
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promise_test(async () => {
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const input = readableStreamFromArray([emptyChunk, inputChunk]);
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const output = input.pipeThrough(new TextDecoderStream());
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const array = await readableStreamToArray(output);
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assert_array_equals(array, [expectedOutputString],
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'the output should be in one chunk');
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}, 'an initial empty chunk should be ignored - ' + arrayBufferOrSharedArrayBuffer);
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promise_test(async () => {
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const input = readableStreamFromArray([inputChunk, emptyChunk]);
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const output = input.pipeThrough(new TextDecoderStream());
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const array = await readableStreamToArray(output);
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assert_array_equals(array, [expectedOutputString],
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'the output should be in one chunk');
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}, 'a trailing empty chunk should be ignored - ' + arrayBufferOrSharedArrayBuffer);
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promise_test(async () => {
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const chunk = new Uint8Array(createBuffer(arrayBufferOrSharedArrayBuffer, 3));
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chunk.set([0xF0, 0x9F, 0x92]);
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const input = readableStreamFromArray([chunk]);
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const output = input.pipeThrough(new TextDecoderStream());
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const array = await readableStreamToArray(output);
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assert_array_equals(array, ['\uFFFD']);
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}, 'UTF-8 EOF handling - ' + arrayBufferOrSharedArrayBuffer);
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});
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promise_test(async () => {
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const buffer = new ArrayBuffer(3);
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const view = new Uint8Array(buffer, 1, 1);
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view[0] = 65;
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new MessageChannel().port1.postMessage(buffer, [buffer]);
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const input = readableStreamFromArray([view]);
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const output = input.pipeThrough(new TextDecoderStream());
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const array = await readableStreamToArray(output);
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assert_array_equals(array, [], 'no chunks should be output');
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}, 'decoding a transferred Uint8Array chunk should give no output');
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promise_test(async () => {
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const buffer = new ArrayBuffer(1);
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new MessageChannel().port1.postMessage(buffer, [buffer]);
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const input = readableStreamFromArray([buffer]);
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const output = input.pipeThrough(new TextDecoderStream());
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const array = await readableStreamToArray(output);
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assert_array_equals(array, [], 'no chunks should be output');
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}, 'decoding a transferred ArrayBuffer chunk should give no output');
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