third_party/WebKit/LayoutTests/storage/websql/multiple-databases-garbage-collection.js

   1 function GC()
   2 {
   3     // Force GC.
   4     if (window.GCController)
   5         GCController.collectAll();
   6     else {
   7         for (var i = 0; i < 10000; ++i) {
   8             ({ });
   9         }
  10     }
  11 }
  12
  13 // Variable for the database that will never be forgotten
  14 var persistentDB = 0;
  15 // Variable for the forgotten database
  16 var forgottenDB = 0;
  17
  18 var completed = 0;
  19 function checkCompletion()
  20 {
  21     if (++completed == 2 && window.testRunner)
  22         testRunner.notifyDone();
  23 }
  24
  25 function runTest()
  26 {
  27     persistentDB = openDatabaseWithSuffix("MultipleDatabasesTest1", "1.0", "Test one out of a set of databases being destroyed (1)", 32768);
  28     forgottenDB = openDatabaseWithSuffix("MultipleDatabasesTest2", "1.0", "Test one out of a set of databases being destroyed (2)", 32768);
  29
  30     forgottenDB.transaction(function(tx) {
  31         tx.executeSql("CREATE TABLE IF NOT EXISTS EmptyTable (unimportantData)", []);
  32     }, function(err) {
  33         log("Forgotten Database Transaction Errored - " + err);
  34         forgottenDB = 0;
  35         GC();
  36         checkCompletion();
  37     }, function() {
  38         log("Forgotten Database Transaction Complete");
  39         forgottenDB = 0;
  40         GC();
  41         checkCompletion();
  42     });
  43
  44     persistentDB.transaction(function(tx) {
  45         tx.executeSql("CREATE TABLE IF NOT EXISTS DataTest (randomData)", [], function(tx, result) {
  46             for (var i = 0; i < 25; ++i)
  47                 tx.executeSql("INSERT INTO DataTest (randomData) VALUES (1)", []);
  48         });
  49     }, function(err) {
  50         log("Persistent Database Transaction Errored - " + err);
  51         checkCompletion();
  52     }, function() {
  53         log("Persistent Database Transaction Complete");
  54         checkCompletion();
  55     });
  56 }