third_party/WebKit/LayoutTests/storage/indexeddb/cursor-cast.html

   1 <!DOCTYPE html>
   2 <script src="../../resources/js-test.js"></script>
   3 <script src="resources/shared.js"></script>
   4 <script>
   5
   6 description("Ensure cursor wrappers are created correctly.");
   7
   8 indexedDBTest(prepareDatabase, verifyWrappers);
   9 function prepareDatabase(evt)
  10 {
  11     preamble(evt);
  12     evalAndLog("db = event.target.result");
  13     evalAndLog("store = db.createObjectStore('store')");
  14     evalAndLog("store.put(0, 0)");
  15 }
  16
  17 function verifyWrappers(evt)
  18 {
  19     preamble(evt);
  20     evalAndLog("db = event.target.result");
  21     evalAndLog("tx = db.transaction('store', 'readwrite')");
  22     evalAndLog("request = tx.objectStore('store').openCursor()");
  23
  24     request.onsuccess = function onOpenCursorSuccess(evt) {
  25         preamble(evt);
  26         evalAndLog("cursor = event.target.result");
  27         evalAndLog("request = cursor.update(1)");
  28
  29         request.onsuccess = function onUpdateSuccess(evt) {
  30             preamble(evt);
  31             evalAndLog("cursor = null");
  32             gc();
  33             setTimeout(checkCursorType, 0);
  34         };
  35     };
  36 }
  37
  38 function checkCursorType() {
  39     shouldBeEqualToString("request.source.toString()", "[object IDBCursorWithValue]");
  40     finishJSTest();
  41 }
  42
  43 </script>