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content / test / data / indexeddb / write_and_read_blob.html [blame]

<!DOCTYPE html>
<html>
<!--
Copyright 2020 The Chromium Authors
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->
<head>
<!-- Create a database. Write & read a blob. -->
<title>IDB test for blob key corruption</title>
<script type="text/javascript" src="common.js"></script>
<script>

function upgradeCallback(db) {
  deleteAllObjectStores(db);
  db.createObjectStore('storeName', { autoIncrement : true });
}
let db;

async function test() {
  db = await promiseOpenDb('blob_corrupt_db', upgradeCallback);

  const transaction = db.transaction('storeName', 'readwrite');
  transaction.onabort = unexpectedAbortCallback;
  transaction.onerror = unexpectedErrorCallback;
  transaction.oncomplete = getBlob;
  const objectStore = transaction.objectStore('storeName');
  const request = objectStore.put({blob: new Blob(['abc'])}, 'key-0');
  request.onerror = unexpectedErrorCallback;
}

let gcWhenDone = false;

function getBlob() {
  const transaction = db.transaction('storeName', 'readwrite');
  transaction.onabort = unexpectedAbortCallback;
  transaction.onerror = unexpectedErrorCallback;
  const objectStore = transaction.objectStore('storeName');
  const request = objectStore.get('key-0');
  request.onerror = unexpectedErrorCallback;
  request.onsuccess = () => {
    const reader = new FileReader();
    reader.addEventListener("loadend", () => {
      if (reader.result !== "abc") {
        fail(`expected blob to contain 'abc', got '${reader.result}'`);
        return;
      }
      if (gcWhenDone) gc();
      done();
    });
    reader.readAsText(request.result.blob);
  }
}

function testThenGc() {
  document.location.hash = '';
  gcWhenDone = true;
  test();
}

</script>
</head>
<body onLoad="test()">
<div id="status">Starting...</div>
</body>
</html>