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products/Sources/formale Sprachen/C/Firefox/dom/indexedDB/test/ (Firefox Browser Version 153.0.1^©) Datei vom 27.6.2026 mit Größe 3 kB

Quelle test_file_resurrection_delete.html

Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/indexedDB/test/test_file_resurrection_delete.html

<html>
<head>
  <title>Indexed Database Property Test</title>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>

  <script type="text/javascript">
  function* testSteps()
  {
    const READ_WRITE = "readwrite";

    const name = window.location.pathname;

    const objectStoreName = "Blobs";

    const fileData = { key: 1, file: getRandomFile("random.bin", 100000) };

    {
      let request = indexedDB.open(name, 1);
      request.onerror = errorHandler;
      request.onupgradeneeded = grabEventAndContinueHandler;
      request.onsuccess = grabEventAndContinueHandler;
      let event = yield undefined;

      is(event.type, "upgradeneeded", "Got correct event type");

      let db = event.target.result;
      db.onerror = errorHandler;

      let objectStore = db.createObjectStore(objectStoreName, { });

      objectStore.add(fileData.file, fileData.key);

      event = yield undefined;

      is(event.type, "success", "Got correct event type");

      let trans = db.transaction([objectStoreName], READ_WRITE);
      objectStore = trans.objectStore(objectStoreName);

      objectStore.delete(fileData.key);

      trans.oncomplete = grabEventAndContinueHandler;
      event = yield undefined;

      is(getFileDBRefCount(name, 1), 0, "Correct db ref count");

      trans = db.transaction([objectStoreName], READ_WRITE);
      objectStore = trans.objectStore(objectStoreName);

      request = objectStore.add(fileData.file, fileData.key);
      request.onsuccess = grabEventAndContinueHandler;
      event = yield undefined;

      trans.oncomplete = grabEventAndContinueHandler;
      event = yield undefined;

      is(getFileDBRefCount(name, 1), 1, "Correct db ref count");

      fileData.file = null;
    }

    yield* assertEventuallyFileRefCount(name, 1, 0);

    {
      let request = indexedDB.open(name, 1);
      request.onerror = errorHandler;
      request.onsuccess = grabEventAndContinueHandler;
      let event = yield undefined;

      is(event.type, "success", "Got correct event type");

      let db = event.target.result;
      db.onerror = errorHandler;

      let trans = db.transaction([objectStoreName], READ_WRITE);
      let objectStore = trans.objectStore(objectStoreName);

      request = objectStore.get(fileData.key);
      request.onsuccess = grabEventAndContinueHandler;
      event = yield undefined;

      let result = event.target.result;
      ok(result, "Got result");

      objectStore.delete(fileData.key);

      trans.oncomplete = grabEventAndContinueHandler;
      event = yield undefined;

      is(getFileDBRefCount(name, 1), 0, "Correct db ref count");

      trans = db.transaction([objectStoreName], READ_WRITE);
      objectStore = trans.objectStore(objectStoreName);

      request = objectStore.add(result, fileData.key);
      request.onsuccess = grabEventAndContinueHandler;
      event = yield undefined;

      trans.oncomplete = grabEventAndContinueHandler;
      event = yield undefined;

      is(getFileDBRefCount(name, 1), 1, "Correct db ref count");

      event = null;
      result = null;
    }

    yield* assertEventuallyFileRefCount(name, 1, 0);

    finishTest();
  }
  </script>
  <script type="text/javascript" src="file.js"></script>
  <script type="text/javascript" src="helpers.js"></script>

</head>

<body onload="runTest();"></body>

</html>

Messung V0.5 in Prozent

¤ Dauer der Verarbeitung: 0.3 Sekunden ¤

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