The Tor Browser: dom/indexedDB/test/test_file_resurrection_transaction

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 <!--

     2   Any copyright is dedicated to the Public Domain.

     3   http://creativecommons.org/publicdomain/zero/1.0/

     4 -->

     5 <html>

     6 <head>

     7   <title>Indexed Database Property Test</title>

     9   <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>

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

    12   <script type="text/javascript;version=1.7">

    13   function testSteps()

    14   {

    15     const READ_WRITE = "readwrite";

    17     const name = window.location.pathname;

    19     const objectStoreName = "Blobs";

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

    23     {

    24       let request = indexedDB.open(name, 1);

    25       request.onerror = errorHandler;

    26       request.onupgradeneeded = grabEventAndContinueHandler;

    27       request.onsuccess = grabEventAndContinueHandler;

    28       let event = yield undefined;

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

    32       let db = event.target.result;

    33       db.onerror = errorHandler;

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

    37       event = yield undefined;

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

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

    42       objectStore = trans.objectStore(objectStoreName);

    44       request = objectStore.add(fileData.file, fileData.key);

    45       request.onsuccess = grabEventAndContinueHandler;

    46       event = yield undefined;

    48       request = objectStore.get(fileData.key);

    49       request.onsuccess = grabEventAndContinueHandler;

    50       event = yield undefined;

    52       let result = event.target.result;

    53       ok(result, "Got result");

    55       trans.onabort = grabEventAndContinueHandler;

    56       trans.abort();

    57       event = yield undefined;

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

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

    62       objectStore = trans.objectStore(objectStoreName);

    64       request = objectStore.add(result, fileData.key);

    65       request.onsuccess = grabEventAndContinueHandler;

    66       event = yield undefined;

    68       trans.oncomplete = grabEventAndContinueHandler;

    69       event = yield undefined;

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

    73       fileData.file = null;

    74     }

    76     scheduleGC();

    77     yield undefined;

    79     is(getFileRefCount(name, 1), 0, "Correct ref count");

    81     finishTest();

    82     yield undefined;

    83   }

    84   </script>

    85   <script type="text/javascript;version=1.7" src="file.js"></script>

    86   <script type="text/javascript;version=1.7" src="helpers.js"></script>

    88 </head>

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

    92 </html>

The Tor Browser / file revision