third_party/WebKit/LayoutTests/storage/indexeddb/blob-valid-before-commit.html

   1 <html>
   2 <head>
   3 <script src="../../resources/js-test.js"></script>
   4 <script src="resources/shared.js"></script>
   5 </head>
   6 <body>
   7 <iframe id="frame0"></iframe>
   8 <iframe id="frame1"></iframe>
   9 <iframe id="frame2"></iframe>
  10 <script>
  11
  12 description("Confirm that blobs can be read back before their records are committed.");
  13
  14 indexedDBTest(prepareDatabase);
  15 function prepareDatabase()
  16 {
  17     db = event.target.result;
  18     event.target.transaction.onabort = unexpectedAbortCallback;
  19     evalAndLog("store = db.createObjectStore('store')");
  20     blobAContent = "Blob A content";
  21     blobBContent = "Blob B content";
  22     var blobA = new Blob([blobAContent], {"type" : "text/plain"});
  23     var blobB = new Blob([blobBContent], {"type" : "text/plain"});
  24     key = "key"
  25     value = { a0: blobA, a1: blobA, b0: blobB };
  26     evalAndLog("store.put(value, key)");
  27     evalAndLog("request = store.get(key)");
  28     request.onsuccess = didRead;
  29 }
  30
  31 function didRead()
  32 {
  33     record = request.result;
  34     urlA0 = URL.createObjectURL(record.a0);
  35     urlA1 = URL.createObjectURL(record.a1);
  36     urlB = URL.createObjectURL(record.b0);
  37     document.getElementById('frame0').src = urlA0;
  38     document.getElementById('frame0').onload = verification;
  39     document.getElementById('frame1').src = urlA1;
  40     document.getElementById('frame1').onload = verification;
  41     document.getElementById('frame2').src = urlB;
  42     document.getElementById('frame2').onload = verification;
  43 }
  44
  45 var loadCount = 0;
  46 function verification()
  47 {
  48     if (++loadCount < 3)
  49         return;
  50     URL.revokeObjectURL(urlA0);
  51     URL.revokeObjectURL(urlA1);
  52     URL.revokeObjectURL(urlB);
  53     shouldBe("document.getElementById('frame0').contentDocument.body.innerText",
  54         "blobAContent");
  55     shouldBe("document.getElementById('frame1').contentDocument.body.innerText",
  56         "blobAContent");
  57     shouldBe("document.getElementById('frame2').contentDocument.body.innerText",
  58         "blobBContent");
  59     finishJSTest();
  60 }
  61
  62 </script>
  63 </body>
  64 </html>
  65