third_party/WebKit/LayoutTests/storage/indexeddb/resources/transaction-readwrite-exclusive.js

   1 if (this.importScripts) {
   2     importScripts('../../../resources/js-test.js');
   3     importScripts('shared.js');
   4 }
   5
   6 description("Check that readwrite transactions with overlapping scopes do not run in parallel.");
   7
   8 function test()
   9 {
  10     setDBNameFromPath();
  11
  12     request = evalAndLog("indexedDB.deleteDatabase(dbname)");
  13     request.onerror = unexpectedBlockedCallback;
  14     request.onblocked = unexpectedBlockedCallback;
  15     request.onsuccess = openConnection1;
  16 }
  17
  18 function openConnection1()
  19 {
  20     preamble();
  21     request = evalAndLog("indexedDB.open(dbname, 1)");
  22     request.onerror = unexpectedBlockedCallback;
  23     request.onblocked = unexpectedBlockedCallback;
  24     request.onupgradeneeded = function openOnUpgradeNeeded1(evt) {
  25         preamble(evt);
  26         evalAndLog("db = event.target.result");
  27         evalAndLog("store = db.createObjectStore('store')");
  28     };
  29     request.onsuccess = function openOnSuccess(evt) {
  30         preamble(evt);
  31         evalAndLog("db1 = event.target.result");
  32         openConnection2();
  33     };
  34 }
  35
  36 function openConnection2()
  37 {
  38     preamble();
  39     request = evalAndLog("indexedDB.open(dbname, 1)");
  40     request.onerror = unexpectedBlockedCallback;
  41     request.onblocked = unexpectedBlockedCallback;
  42     request.onupgradeneeded = unexpectedUpgradeNeededCallback;
  43     request.onsuccess = function openOnSuccess2(evt) {
  44         preamble(evt);
  45         evalAndLog("db2 = event.target.result");
  46         startWork();
  47     };
  48 }
  49
  50 function startWork()
  51 {
  52     preamble();
  53     evalAndLog("transaction1 = db1.transaction('store', 'readwrite')");
  54     transaction1.onabort = unexpectedAbortCallback;
  55     evalAndLog("transaction2 = db2.transaction('store', 'readwrite')");
  56     transaction1.onabort = unexpectedAbortCallback;
  57
  58     evalAndLog("transaction1PutSuccess = false");
  59     evalAndLog("transaction1Complete = false");
  60     evalAndLog("transaction2PutSuccess = false");
  61     evalAndLog("transaction2Complete = false");
  62
  63     debug("");
  64     debug("Keep transaction1 alive for a while and ensure transaction2 doesn't start");
  65
  66     evalAndLog("count = 0");
  67
  68     (function doTransaction1Put() {
  69         request = evalAndLog("transaction1.objectStore('store').put(1, count++)");
  70         request.onerror = unexpectedErrorCallback;
  71         request.onsuccess = function put1OnSuccess(evt) {
  72             preamble(evt);
  73             evalAndLog("transaction1PutSuccess = true");
  74             if (count < 5) {
  75                 doTransaction1Put();
  76             }
  77         };
  78     }());
  79
  80     transaction1.oncomplete = function onTransaction1Complete(evt) {
  81         preamble(evt);
  82         evalAndLog("transaction1Complete = true");
  83         shouldBeFalse("transaction2PutSuccess");
  84         shouldBeFalse("transaction2Complete");
  85     };
  86
  87     request = evalAndLog("transaction2.objectStore('store').put(2, 0)");
  88     request.onerror = unexpectedErrorCallback;
  89     request.onsuccess = function put2OnSuccess(evt) {
  90         preamble(evt);
  91         evalAndLog("transaction2PutSuccess = true");
  92         shouldBeTrue("transaction1Complete");
  93     };
  94
  95     transaction2.oncomplete = function onTransaction2Complete(evt) {
  96         preamble(evt);
  97         evalAndLog("transaction2Complete = true");
  98         shouldBeTrue("transaction1PutSuccess");
  99         shouldBeTrue("transaction1Complete");
 100         shouldBeTrue("transaction2PutSuccess");
 101
 102         finishJSTest();
 103     };
 104 }
 105
 106 test();