src/third_party/WebKit/LayoutTests/imported/web-platform-tests/IndexedDB/support.js

   1 var databaseName = "database";
   2 var databaseVersion = 1;
   3
   4 if (!window.indexedDB)
   5 {
   6     if (window.msIndexedDB)
   7     {
   8         window.indexedDB = window.msIndexedDB;
   9     }
  10     else if (window.mozIndexedDB)
  11     {
  12         window.indexedDB = window.mozIndexedDB;
  13     }
  14     else if (window.webkitIndexedDB)
  15     {
  16         window.indexedDB        = webkitIndexedDB;
  17         IDBCursor               = webkitIDBCursor;
  18         IDBDatabaseException    = webkitIDBDatabaseException;
  19         IDBIndex                = webkitIDBIndex;
  20         IDBObjectStore          = webkitIDBObjectStore;
  21         IDBRequest              = webkitIDBRequest;
  22         IDBKeyRange             = webkitIDBKeyRange;
  23         IDBTransaction          = webkitIDBTransaction;
  24     }
  25 }
  26
  27 /* Delete created databases
  28  *
  29  * Go through each finished test, see if it has an associated database. Close
  30  * that and delete the database. */
  31 add_completion_callback(function(tests)
  32 {
  33     for (var i in tests)
  34     {
  35         if(tests[i].db)
  36         {
  37             tests[i].db.close();
  38             window.indexedDB.deleteDatabase(tests[i].db.name);
  39         }
  40     }
  41 });
  42
  43 function fail(test, desc) {
  44     return test.step_func(function(e) {
  45         if (e && e.message && e.target.error)
  46             assert_unreached(desc + " (" + e.target.error.name + ": " + e.message + ")");
  47         else if (e && e.message)
  48             assert_unreached(desc + " (" + e.message + ")");
  49         else if (e && e.target.readyState === 'done' && e.target.error)
  50             assert_unreached(desc + " (" + e.target.error.name + ")");
  51         else
  52             assert_unreached(desc);
  53     });
  54 }
  55
  56 function createdb(test, dbname, version)
  57 {
  58     var rq_open = createdb_for_multiple_tests(dbname, version);
  59     return rq_open.setTest(test);
  60 }
  61
  62 function createdb_for_multiple_tests(dbname, version) {
  63     var rq_open,
  64         fake_open = {},
  65         test = null,
  66         dbname = (dbname ? dbname : "testdb-" + new Date().getTime() + Math.random() );
  67
  68     if (version)
  69         rq_open = window.indexedDB.open(dbname, version);
  70     else
  71         rq_open = window.indexedDB.open(dbname);
  72
  73     function auto_fail(evt, current_test) {
  74         /* Fail handlers, if we haven't set on/whatever/, don't
  75          * expect to get event whatever. */
  76         rq_open.manually_handled = {}
  77
  78         rq_open.addEventListener(evt, function(e) {
  79             if (current_test !== test) {
  80                 return;
  81             }
  82
  83             test.step(function() {
  84                 if (!rq_open.manually_handled[evt]) {
  85                     assert_unreached("unexpected open." + evt + " event");
  86                 }
  87
  88                 if (e.target.result + "" == "[object IDBDatabase]" && !this.db) {
  89                     this.db = e.target.result;
  90
  91                     this.db.onerror = fail(test, "unexpected db.error");
  92                     this.db.onabort = fail(test, "unexpected db.abort");
  93                     this.db.onversionchange = fail(test, "unexpected db.versionchange");
  94                 }
  95             })
  96         })
  97         rq_open.__defineSetter__("on" + evt, function(h) {
  98             rq_open.manually_handled[evt] = true;
  99             if (!h)
 100                 rq_open.addEventListener(evt, function() {});
 101             else
 102                 rq_open.addEventListener(evt, test.step_func(h));
 103         })
 104     }
 105
 106     // add a .setTest method to the DB object
 107     Object.defineProperty(rq_open, 'setTest', {
 108         enumerable: false,
 109         value: function(t) {
 110             test = t;
 111
 112             auto_fail("upgradeneeded", test);
 113             auto_fail("success", test);
 114             auto_fail("blocked", test);
 115             auto_fail("error", test);
 116
 117             return this;
 118         }
 119     });
 120
 121     return rq_open;
 122 }