third_party/WebKit/LayoutTests/storage/indexeddb/resources/index-unique.js

   1 if (this.importScripts) {
   2     importScripts('../../../resources/js-test.js');
   3     importScripts('shared.js');
   4 }
   5
   6 description("Test features of IndexedDB's unique indices.");
   7
   8 indexedDBTest(prepareDatabase, setVersionCompleted);
   9 function prepareDatabase()
  10 {
  11     db = event.target.result;
  12     event.target.transaction.onabort = unexpectedAbortCallback;
  13
  14     self.store = evalAndLog("db.createObjectStore('store')");
  15     self.indexObject = evalAndLog("store.createIndex('index', 'x', {unique: true})");
  16 }
  17
  18 function setVersionCompleted()
  19 {
  20     debug("setVersionCompleted():");
  21     self.transaction = evalAndLog("transaction = db.transaction(['store'], 'readwrite')");
  22
  23     request = evalAndLog("transaction.objectStore('store').put({x: 1}, 'foo')");
  24     request.onerror = unexpectedErrorCallback;
  25     request.onsuccess = addMoreData;
  26 }
  27
  28 function addMoreData()
  29 {
  30     debug("addMoreData():");
  31
  32     // The x value violates the uniqueness constraint of the index.
  33     request = evalAndLog("transaction.objectStore('store').put({x: 1}, 'bar')");
  34     request.onerror = addMoreDataFailed;
  35     request.onsuccess = unexpectedSuccessCallback;
  36 }
  37
  38 function addMoreDataFailed()
  39 {
  40     debug("addMoreDataFailed():");
  41
  42     // Don't abort the transaction.
  43     evalAndLog("event.preventDefault()");
  44
  45     shouldBe("event.target.error.name", "'ConstraintError'");
  46
  47     // Update the 'foo' entry in object store, changing the value of x.
  48     request = evalAndLog("transaction.objectStore('store').put({x: 0}, 'foo')");
  49     request.onerror = unexpectedErrorCallback;
  50     request.onsuccess = changeDataSuccess;
  51 }
  52
  53 function changeDataSuccess()
  54 {
  55     debug("changeDataSuccess():");
  56
  57     // An index cursor starting at 1 should not find anything.
  58     var request = evalAndLog("transaction.objectStore('store').index('index').openCursor(IDBKeyRange.lowerBound(1))");
  59     request.onsuccess = cursorSuccess;
  60     request.onerror = unexpectedErrorCallback;
  61 }
  62
  63 function cursorSuccess()
  64 {
  65     debug("cursorSuccess():");
  66     shouldBeNull("event.target.result");
  67
  68     // A key cursor starting at 1 should not find anything.
  69     var request = evalAndLog("transaction.objectStore('store').index('index').openKeyCursor(IDBKeyRange.lowerBound(1))");
  70     request.onsuccess = keyCursorSuccess;
  71     request.onerror = unexpectedErrorCallback;
  72 }
  73
  74 function keyCursorSuccess()
  75 {
  76     debug("keyCursorSuccess():");
  77     shouldBeNull("event.target.result");
  78
  79     // Now we should be able to add a value with x: 1.
  80     request = evalAndLog("transaction.objectStore('store').put({x: 1}, 'bar')");
  81     request.onerror = unexpectedErrorCallback;
  82     request.onsuccess = addMoreDataSucces;
  83 }
  84
  85 function addMoreDataSucces()
  86 {
  87     debug("addMoreDataSucces():");
  88
  89     request = evalAndLog("transaction.objectStore('store').delete('bar')");
  90     request.onerror = unexpectedErrorCallback;
  91     request.onsuccess = deleteSuccess;
  92 }
  93
  94 function deleteSuccess()
  95 {
  96     debug("deleteSuccess():");
  97
  98     // Now we should be able to add a value with x: 1 again.
  99     request = evalAndLog("transaction.objectStore('store').put({x: 1}, 'baz')");
 100     request.onerror = unexpectedErrorCallback;
 101     request.onsuccess = finalAddSuccess;
 102 }
 103
 104 function finalAddSuccess() {
 105     debug("finalAddSuccess():");
 106
 107     // An overwrite should be ok.
 108     request = evalAndLog("transaction.objectStore('store').put({x: 1}, 'baz')");
 109     request.onerror = unexpectedErrorCallback;
 110     request.onsuccess = finishJSTest;
 111 }