idb-binary-key-detached.htm

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This test has a WPT meta file that expects 2 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /IndexedDB/idb-binary-key-detached.htm - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset=utf-8>

<title>IndexedDB: Detached buffers supplied as binary keys</title>

<meta name="help" href="http://w3c.github.io/IndexedDB/#convert-a-value-to-a-key">

<meta name="help" href="https://webidl.spec.whatwg.org/#dfn-get-buffer-source-copy">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="resources/support.js"></script>

<script>

indexeddb_test(

  (t, db) => { db.createObjectStore('store'); },

  (t, db) => {

    const tx = db.transaction('store', 'readwrite', {durability: 'relaxed'});

    const store = tx.objectStore('store');

    const array = new Uint8Array([1,2,3,4]);

    const buffer = array.buffer;

    assert_equals(array.byteLength, 4);

    // Detach the ArrayBuffer by transferring it to a worker.

    const worker = new Worker(URL.createObjectURL(new Blob([])));

    worker.postMessage('', [buffer]);

    assert_equals(array.byteLength, 0);

    assert_throws_dom("DataError", () => { store.put('', buffer); });

    t.done();

},

  'Detached ArrayBuffer'

);

indexeddb_test(

  (t, db) => { db.createObjectStore('store'); },

  (t, db) => {

    const tx = db.transaction('store', 'readwrite', {durability: 'relaxed'});

    const store = tx.objectStore('store');

    const array = new Uint8Array([1,2,3,4]);

    assert_equals(array.length, 4);

    // Detach the ArrayBuffer by transferring it to a worker.

    const worker = new Worker(URL.createObjectURL(new Blob([])));

    worker.postMessage('', [array.buffer]);

    assert_equals(array.length, 0);

    assert_throws_dom("DataError", () => { store.put('', array); });

    t.done();

},

  'Detached TypedArray'

);

</script>