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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/encoding/streams/decode-split-character.any.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/encoding/streams/decode-split-character.any.js')
-rw-r--r-- | testing/web-platform/tests/encoding/streams/decode-split-character.any.js | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/testing/web-platform/tests/encoding/streams/decode-split-character.any.js b/testing/web-platform/tests/encoding/streams/decode-split-character.any.js new file mode 100644 index 0000000000..d589694fce --- /dev/null +++ b/testing/web-platform/tests/encoding/streams/decode-split-character.any.js @@ -0,0 +1,50 @@ +// META: global=window,worker +// META: script=resources/readable-stream-from-array.js +// META: script=resources/readable-stream-to-array.js + +'use strict'; + +const inputBytes = [73, 32, 240, 159, 146, 153, 32, 115, 116, 114, 101, + 97, 109, 115]; +for (const splitPoint of [2, 3, 4, 5]) { + promise_test(async () => { + const input = readableStreamFromArray( + [new Uint8Array(inputBytes.slice(0, splitPoint)), + new Uint8Array(inputBytes.slice(splitPoint))]); + const expectedOutput = ['I ', '\u{1F499} streams']; + const output = input.pipeThrough(new TextDecoderStream()); + const array = await readableStreamToArray(output); + assert_array_equals(array, expectedOutput, + 'the split code point should be in the second chunk ' + + 'of the output'); + }, 'a code point split between chunks should not be emitted until all ' + + 'bytes are available; split point = ' + splitPoint); +} + +promise_test(async () => { + const splitPoint = 6; + const input = readableStreamFromArray( + [new Uint8Array(inputBytes.slice(0, splitPoint)), + new Uint8Array(inputBytes.slice(splitPoint))]); + const output = input.pipeThrough(new TextDecoderStream()); + const array = await readableStreamToArray(output); + assert_array_equals(array, ['I \u{1F499}', ' streams'], + 'the multibyte character should be in the first chunk ' + + 'of the output'); +}, 'a code point should be emitted as soon as all bytes are available'); + +for (let splitPoint = 1; splitPoint < 7; ++splitPoint) { + promise_test(async () => { + const input = readableStreamFromArray( + [new Uint8Array(inputBytes.slice(0, splitPoint)), + new Uint8Array([]), + new Uint8Array(inputBytes.slice(splitPoint))]); + const concatenatedOutput = 'I \u{1F499} streams'; + const output = input.pipeThrough(new TextDecoderStream()); + const array = await readableStreamToArray(output); + assert_equals(array.length, 2, 'two chunks should be output'); + assert_equals(array[0].concat(array[1]), concatenatedOutput, + 'output should be unchanged by the empty chunk'); + }, 'an empty chunk inside a code point split between chunks should not ' + + 'change the output; split point = ' + splitPoint); +} |