content/test/data/indexeddb/version_change_crash.js

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 function test()
   6 {
   7   if (document.location.hash === '#part1') {
   8     testPart1();
   9   } else if (document.location.hash === '#part2') {
  10     testPart2();
  11   } else if (document.location.hash === '#part3') {
  12     testPart3();
  13   } else {
  14     result('fail - unexpected hash');
  15   }
  16 }
  17
  18 function testPart1()
  19 {
  20   // Prepare the database, then exit normally
  21
  22   // Set version 1, create store1
  23   var delreq = window.indexedDB.deleteDatabase('version-change-crash');
  24   delreq.onerror = unexpectedErrorCallback;
  25   delreq.onsuccess = function() {
  26     var openreq = window.indexedDB.open('version-change-crash', 1);
  27     openreq.onerror = unexpectedErrorCallback;
  28     openreq.onblocked = unexpectedBlockedCallback;
  29     openreq.onupgradeneeded = function(e) {
  30       openreq.result.createObjectStore('store1');
  31     };
  32     openreq.onsuccess = function(e) {
  33       result('pass - part1 - complete');
  34     };
  35   };
  36 }
  37
  38 function testPart2()
  39 {
  40   // Start a VERSION_CHANGE then crash
  41
  42   // Set version 2, twiddle stores and crash
  43   var openreq = window.indexedDB.open('version-change-crash', 2);
  44   openreq.onerror = unexpectedErrorCallback;
  45   openreq.onblocked = unexpectedBlockedCallback;
  46   openreq.onsuccess = unexpectedSuccessCallback;
  47   openreq.onupgradeneeded = function(e) {
  48     var db = openreq.result;
  49     var transaction = openreq.transaction;
  50     transaction.onabort = unexpectedAbortCallback;
  51     transaction.oncomplete = unexpectedCompleteCallback;
  52
  53     var store = db.createObjectStore('store2');
  54     result('pass - part2 - crash me');
  55
  56     // Keep adding to the transaction so it can't commit
  57     (function loop() { store.put(0, 0).onsuccess = loop; }());
  58   };
  59 }
  60
  61 function testPart3()
  62 {
  63   // Validate that Part 2 never committed
  64
  65   // Check version
  66   var openreq = window.indexedDB.open('version-change-crash');
  67   openreq.onerror = unexpectedErrorCallback;
  68   openreq.onblocked = unexpectedBlockedCallback;
  69   openreq.onupgradeneeded = unexpectedUpgradeNeededCallback;
  70   openreq.onsuccess = function(e) {
  71     var db = openreq.result;
  72     if (db.version !== 1) {
  73       result('fail - version incorrect');
  74       return;
  75     }
  76
  77     if (!db.objectStoreNames.contains('store1')) {
  78       result('fail - store1 does not exist');
  79       return;
  80     }
  81
  82     if (db.objectStoreNames.contains('store2')) {
  83       result('fail - store2 exists');
  84       return;
  85     }
  86
  87     result('pass - part3 - rolled back');
  88   };
  89 }