Next IndexedDB test - scan with a cursor.

Review URL: https://chromiumcodereview.appspot.com//10079028

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@6609 260f80e4-7a28-3924-810f-c04153c831b5

client/tests/client/client-leg.status

@@ -25,6 +25,7 @@ dom/IsolatesTest: Skip # Timeout because leg does not support web workers.
 
 dom/IndexedDB1Test: Skip # Timeout because callbacks don't appear to be called.
 dom/IndexedDB2Test: Skip # Timeout because callbacks don't appear to be called.
+dom/IndexedDB3Test: Skip # Timeout because callbacks don't appear to be called.
 
 [ $compiler == dart2js && $runtime == none ]
 *: Fail, Pass # TODO(ahe): Triage these tests.

client/tests/client/client.status

@@ -6,6 +6,7 @@ dom/WebGL1Test: Skip  # Issue 1495
 
 [ $compiler == none && ($runtime == drt || $runtime == dartium) ]
 html/html_tests: Pass, Fail   # Issue 1946.
+dom/IndexedDB3Test: Fail  # UnsupportedOperationException 'IDBCursorImplementation.get:key'
 
 [ $compiler == none && ($runtime == drt || $runtime == dartium) && $checked ]
 html/TypedArrays1Test: Fail   # Fails only on checked mode.
@@ -53,6 +54,7 @@ dom/HiddenDom1Test: Fail
 dom/HiddenDom2Test: Fail
 dom/IndexedDB1Test: Fail     # Need window.mozIndexedDB instead of window.webkitIndexedDB
 dom/IndexedDB2Test: Fail     # Need window.mozIndexedDB instead of window.webkitIndexedDB
+dom/IndexedDB3Test: Fail     # Need window.mozIndexedDB instead of window.webkitIndexedDB
 dom/InstanceOfTest: Fail     # Issue 2535
 # setup code fails. prepare. (DOM callback has errors) Caught [object Event] 
 dom/InnerFrameTest: Fail
@@ -106,8 +108,11 @@ html/frog_html_tests: Skip # Issue 1884
 *: Skip
 
 [ $checked ]
-dom/IndexedDB1Test: Skip  # Type check fails for IDBKey, causing Fail or Timeout.  Needs to be renamed to Object or Dynamic.
-dom/IndexedDB2Test: Skip  # Type check fails for IDBKey, causing Fail or Timeout.  Needs to be renamed to Object or Dynamic.
+# IndexedDB tests: type check fails for IDBKey, causing Fail or Timeout.  Needs
+# to be renamed to Dynamic.
+dom/IndexedDB1Test: Skip
+dom/IndexedDB2Test: Skip
+dom/IndexedDB3Test: Skip
 
 [ ($compiler == frog || $compiler == frogsh) && $runtime == none ]
 *: Skip

client/tests/client/dom/IndexedDB3Test.dart

@@ -0,0 +1,119 @@
+#library('IndexedDB3Test');
+#import('../../../../lib/unittest/unittest.dart');
+#import('../../../../lib/unittest/dom_config.dart');
+#import('dart:dom');
+#import('dart:coreimpl');
+
+// Read with cursor.
+
+final String DB_NAME = 'Test';
+final String STORE_NAME = 'TEST';
+final String VERSION = '1';
+
+class Test {
+  var db;
+
+  start() {
+    var request = window.webkitIndexedDB.open(DB_NAME);
+    Expect.isNotNull(request);
+    request.addEventListener('success', initDb);
+    request.addEventListener('error', fail('open'));
+  }
+
+  initDb(e) {
+    db = e.target.result;
+    // TODO.  Some browsers do this the w3 way - passing the VERSION to the
+    // open call and listening to onversionchange.  Can we feature-detect the
+    // difference and make it work?
+    var request = db.setVersion(VERSION);
+    request.addEventListener('success', (e) {
+        try {
+          // Nuke object store if it already exists.
+          db.deleteObjectStore(STORE_NAME);
+        } catch (IDBDatabaseException e) { }
+        db.createObjectStore(STORE_NAME);
+        writeItems(0);
+      });
+      request.addEventListener('blocked', fail('setVersion blocked'));
+      request.addEventListener('error', fail('setVersion error'));
+  }
+
+  writeItems(int index) {
+    if (index < 100) {
+      var transaction = db.transaction([STORE_NAME], IDBTransaction.READ_WRITE);
+      var request = transaction.objectStore(STORE_NAME)
+          .put('Item $index', index);
+      request.addEventListener('success', (e) { writeItems(index + 1); });
+      request.addEventListener('error', fail('put'));
+    } else {
+      callbackDone();
+    }
+  }
+
+  fail(message) => (e) {
+    callbackDone();
+    Expect.fail('IndexedDB failure: $message');
+  };
+
+  readAllViaCursor() {
+    IDBTransaction txn = db.transaction(STORE_NAME, IDBTransaction.READ_ONLY);
+    IDBObjectStore objectStore = txn.objectStore(STORE_NAME);
+    IDBRequest cursorRequest = objectStore.openCursor();
+    int itemCount = 0;
+    int sumKeys = 0;
+    int lastKey = null;
+    cursorRequest.addEventListener("success", (e) {
+        var cursor = e.target.result;
+        if (cursor != null) {
+          lastKey = cursor.key;
+          itemCount += 1;
+          sumKeys += cursor.key;
+          Expect.equals('Item ${cursor.key}', cursor.value);
+          cursor.continueFunction();
+        } else {
+          // Done
+          Expect.equals(99, lastKey);
+          Expect.equals(100, itemCount);
+          Expect.equals((100 * 99) ~/ 2, sumKeys);
+          callbackDone();
+        }
+      });
+    cursorRequest.addEventListener('error', fail('openCursor'));
+  }
+
+  readAllReversedViaCursor() {
+    IDBTransaction txn = db.transaction(STORE_NAME, IDBTransaction.READ_ONLY);
+    IDBObjectStore objectStore = txn.objectStore(STORE_NAME);
+    // TODO: create a IDBKeyRange(0,100)
+    IDBRequest cursorRequest = objectStore.openCursor(null, IDBCursor.PREV);
+    int itemCount = 0;
+    int sumKeys = 0;
+    int lastKey = null;
+    cursorRequest.addEventListener("success", (e) {
+        var cursor = e.target.result;
+        if (cursor != null) {
+          lastKey = cursor.key;
+          itemCount += 1;
+          sumKeys += cursor.key;
+          Expect.equals('Item ${cursor.key}', cursor.value);
+          cursor.continueFunction();
+        } else {
+          // Done
+          Expect.equals(0, lastKey);  // i.e. first key (scanned in reverse).
+          Expect.equals(100, itemCount);
+          Expect.equals((100 * 99) ~/ 2, sumKeys);
+          callbackDone();
+        }
+      });
+    cursorRequest.addEventListener('error', fail('openCursor'));
+  }
+}
+
+main() {
+  useDomConfiguration();
+
+  var test = new Test();
+  asyncTest('prepare', 1, test.start);
+  asyncTest('readAll1', 1, test.readAllViaCursor);
+  asyncTest('readAll2', 1, test.readAllReversedViaCursor);
+}