indexeddb.html - mozsearch

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This WPT test may be referenced by the following Test IDs:
- /speculation-rules/prerender/indexeddb.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Same-origin prerendering can access Indexed Database</title>

<meta name="timeout" content="long">

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

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

<script src="/common/utils.js"></script>

<script src="/common/dispatcher/dispatcher.js"></script>

<script src="resources/indexedb-utils.js"></script>

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

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

<body>

<script>

setup(() => assertSpeculationRulesIsSupported());

promise_test(async t => {

  const db = await openIndexedDatabase(t);

  assert_not_equals(db, null, 'Failed to open database.');

  await addData(db, INITIATOR_KEY, INITIATOR_VALUE);

  const {exec} = await create_prerendered_page(t);

  const result = await exec(async () => {

    await import_script_to_prerendered_page("indexedb-utils.js");

    const db = await openIndexedDatabase();

    await addData(db, PRERENDER_KEY, PRERENDER_VALUE);

    const result = await readData(db, INITIATOR_KEY);

    db.close();

    return result;

});

  assert_equals(

    result, INITIATOR_VALUE,

    'prerendering page should be able to read from Indexed DataBase');

  const initiatorReadResult = await readData(db, PRERENDER_KEY);

  assert_equals(

    initiatorReadResult, PRERENDER_VALUE,

    'prerendering page should be able to write to Indexed DataBase');

  db.close();

}, 'prerendering page should be able to access Indexed DataBase')

</script>