зеркало из https://github.com/mozilla/gecko-dev.git
47 строки
1.7 KiB
HTML
47 строки
1.7 KiB
HTML
<!DOCTYPE html>
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<meta charset="utf-8">
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<title>Blob/Unicode interaction: normalization and encoding</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script>
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'use strict';
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const OMICRON_WITH_OXIA = '\u1F79'; // NFC normalized to U+3CC
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const CONTAINS_UNPAIRED_SURROGATES = 'abc\uDC00def\uD800ghi';
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const REPLACED = 'abc\uFFFDdef\uFFFDghi';
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function readBlobAsPromise(blob) {
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return new Promise((resolve, reject) => {
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const reader = new FileReader();
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reader.readAsText(blob);
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reader.onload = () => resolve(reader.result);
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reader.onerror = () => reject(reader.error);
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});
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}
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promise_test(async t => {
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const blob = new Blob([OMICRON_WITH_OXIA]);
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const result = await readBlobAsPromise(blob);
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assert_equals(result, OMICRON_WITH_OXIA, 'String should not be normalized');
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}, 'Test that strings are not NFC normalized by Blob constructor');
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promise_test(async t => {
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const file = new File([OMICRON_WITH_OXIA], 'name');
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const result = await readBlobAsPromise(file);
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assert_equals(result, OMICRON_WITH_OXIA, 'String should not be normalized');
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}, 'Test that strings are not NFC normalized by File constructor');
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promise_test(async t => {
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const blob = new Blob([CONTAINS_UNPAIRED_SURROGATES]);
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const result = await readBlobAsPromise(blob);
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assert_equals(result, REPLACED, 'Unpaired surrogates should be replaced.');
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}, 'Test that unpaired surrogates are replaced by Blob constructor');
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promise_test(async t => {
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const file = new File([CONTAINS_UNPAIRED_SURROGATES], 'name');
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const result = await readBlobAsPromise(file);
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assert_equals(result, REPLACED, 'Unpaired surrogates should be replaced.');
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}, 'Test that unpaired surrogates are replaced by File constructor');
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</script>
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