зеркало из https://github.com/mozilla/gecko-dev.git
53 строки
1.6 KiB
HTML
53 строки
1.6 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<title>IndexedDB: Detached buffers supplied as binary keys</title>
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<meta name="help" href="http://w3c.github.io/IndexedDB/#convert-a-value-to-a-key">
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<meta name="help" href="https://heycam.github.io/webidl/#dfn-get-buffer-source-copy">
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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 src="support.js"></script>
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<script>
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indexeddb_test(
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(t, db) => { db.createObjectStore('store'); },
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(t, db) => {
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const tx = db.transaction('store', 'readwrite');
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const store = tx.objectStore('store');
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const array = new Uint8Array([1,2,3,4]);
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const buffer = array.buffer;
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assert_equals(array.byteLength, 4);
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// Detach the ArrayBuffer by transferring it to a worker.
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const worker = new Worker(URL.createObjectURL(new Blob([])));
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worker.postMessage('', [buffer]);
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assert_equals(array.byteLength, 0);
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assert_throws(new TypeError, () => { store.put('', buffer); });
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t.done();
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},
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'Detached ArrayBuffer'
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);
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indexeddb_test(
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(t, db) => { db.createObjectStore('store'); },
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(t, db) => {
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const tx = db.transaction('store', 'readwrite');
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const store = tx.objectStore('store');
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const array = new Uint8Array([1,2,3,4]);
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assert_equals(array.length, 4);
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// Detach the ArrayBuffer by transferring it to a worker.
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const worker = new Worker(URL.createObjectURL(new Blob([])));
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worker.postMessage('', [array.buffer]);
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assert_equals(array.length, 0);
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assert_throws(new TypeError, () => { store.put('', array); });
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t.done();
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},
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'Detached TypedArray'
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);
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</script>
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