third_party/WebKit/LayoutTests/storage/indexeddb/connection-leak.html

   1 <!DOCTYPE html>
   2 <script src="../../resources/js-test.js"></script>
   3 <script src="resources/shared.js"></script>
   4 <script>
   5
   6 description("Regression test to ensure that IndexedDB connections don't leak");
   7
   8 setDBNameFromPath();
   9 waitForRequests([
  10     indexedDB.deleteDatabase(dbname)
  11 ], doFirstOpen);
  12
  13 function doFirstOpen()
  14 {
  15     preamble();
  16
  17     evalAndLog("request = indexedDB.open(dbname, 1)");
  18     evalAndLog("sawUpgradeNeeded1 = false");
  19     request.onerror = unexpectedErrorCallback;
  20     request.onblocked = unexpectedBlockedCallback;
  21     request.onupgradeneeded = function onUpgradeNeeded1() {
  22         preamble();
  23         evalAndLog("sawUpgradeNeeded1 = true");
  24     };
  25     request.onsuccess = function onOpenSuccess1() {
  26         preamble();
  27         shouldBeTrue("sawUpgradeNeeded1");
  28         evalAndLog("db = request.result");
  29         evalAndLog("db.close()");
  30
  31         doSecondOpen();
  32     };
  33 }
  34
  35 function doSecondOpen()
  36 {
  37     preamble();
  38
  39     evalAndLog("request = indexedDB.open(dbname, 1)");
  40     request.onerror = unexpectedErrorCallback;
  41     request.onblocked = unexpectedBlockedCallback;
  42     request.onupgradeneeded = unexpectedUpgradeNeededCallback;
  43     request.onsuccess = function onOpenSuccess2() {
  44         preamble();
  45         evalAndLog("db = request.result");
  46
  47         evalAndLog("db = null");
  48         evalAndLog("request = null");
  49
  50         debug("Run GC outside of request's callback via setTimeout()");
  51         setTimeout( function() {
  52             evalAndLog("window.gc()");
  53             doThirdOpen();
  54         }, 0);
  55     };
  56 }
  57
  58 function doThirdOpen()
  59 {
  60     preamble();
  61
  62     evalAndLog("request = indexedDB.open(dbname, 2)");
  63     evalAndLog("sawUpgradeNeeded3 = false");
  64     request.onerror = unexpectedErrorCallback;
  65     request.onblocked = unexpectedBlockedCallback;
  66     request.onupgradeneeded = function onUpgradeNeeded2() {
  67         preamble();
  68         evalAndLog("sawUpgradeNeeded3 = true");
  69     };
  70     request.onsuccess = function onOpenSuccess3() {
  71         preamble();
  72         shouldBeTrue("sawUpgradeNeeded3");
  73         evalAndLog("db = request.result");
  74         evalAndLog("db.close()");
  75
  76         finishJSTest();
  77     };
  78 }
  79
  80 </script>