third_party/WebKit/ManualTests/database-threading-stress-test-2.html

   1 <!doctype html>
   2 <html>
   3 <head>
   4 <script>
   5 var db;
   6
   7 try {
   8     if (window.openDatabase) {
   9         db = openDatabase("StressTest2", "1.0", "Database stress test", 200000);
  10         if (!db)
  11             alert("Failed to open the database on disk.  This is probably because the version was bad or there is not enough space left in this domain's quota");
  12     } else
  13         alert("Couldn't open the database.  Please try with a WebKit nightly with this feature enabled");
  14 } catch(err) { }
  15
  16 function loaded()
  17 {
  18     db.transaction(function(tx) {
  19         tx.executeSql("SELECT COUNT(*) FROM WebkitStickyNotes", [], function(result) {
  20             loadNotes();
  21         }, function(tx, error) {
  22             tx.executeSql("CREATE TABLE WebKitStickyNotes (id REAL UNIQUE, note TEXT)", [], function(result) {
  23                 tx.executeSql("INSERT INTO WebKitStickyNotes (id, note) VALUES (?, ?)", [1, 'Text'], function(result) {
  24                     tx.executeSql("INSERT INTO WebKitStickyNotes (id, note) VALUES (?, ?)", [2, 'More Text'], function(result) {
  25                         loadNotes();
  26                     });
  27                 });
  28             });
  29         });
  30     });
  31 }
  32
  33 function loadNotes()
  34 {
  35     db.transaction(function(tx) {
  36         tx.executeSql("SELECT id, note FROM WebKitStickyNotes", [], function(tx, result) {
  37             loadNotes();
  38         }, function(tx, error) {
  39             alert('Failed to retrieve notes from database - ' + error.message);
  40             return;
  41         });
  42     });
  43 }
  44
  45 addEventListener('load', loaded, false);
  46 </script>
  47 </head>
  48 <body>
  49 <p>This test needs to run without crashes and assertion failures for a while.<p>
  50 </body>
  51 </html>