original

[gb-231r1-is01/GB_2.3_IS01.git] / cts / tests / tests / database / src / android / database / cts / DataSetObservableTest.java

diff --git a/cts/tests/tests/database/src/android/database/cts/DataSetObservableTest.java b/cts/tests/tests/database/src/android/database/cts/DataSetObservableTest.java
new file mode 100644 (file)
index 0000000..8347bcb
--- /dev/null
+++ b/cts/tests/tests/database/src/android/database/cts/DataSetObservableTest.java
@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.database.cts;
+
+import android.database.DataSetObservable;
+import android.database.DataSetObserver;
+import android.test.AndroidTestCase;
+import dalvik.annotation.TestTargets;
+import dalvik.annotation.TestLevel;
+import dalvik.annotation.TestTargetNew;
+import dalvik.annotation.TestTargetClass;
+
+@TestTargetClass(android.database.DataSetObservable.class)
+public class DataSetObservableTest extends AndroidTestCase {
+
+    @TestTargets({
+        @TestTargetNew(
+            level = TestLevel.COMPLETE,
+            notes = "Test notifyChanged and notifyInvalidated.",
+            method = "notifyChanged",
+            args = {}
+        ),
+        @TestTargetNew(
+            level = TestLevel.COMPLETE,
+            notes = "Test notifyChanged and notifyInvalidated.",
+            method = "notifyInvalidated",
+            args = {}
+        )
+    })
+    public void testNotifyMethods() {
+        DataSetObservable dataSetObservalbe = new DataSetObservable();
+        MockDataSetObserver dataSetObserver1 = new MockDataSetObserver();
+        MockDataSetObserver dataSetObserver2 = new MockDataSetObserver();
+
+        dataSetObservalbe.registerObserver(dataSetObserver1);
+        dataSetObservalbe.registerObserver(dataSetObserver2);
+
+        assertFalse(dataSetObserver1.hasChanged());
+        assertFalse(dataSetObserver2.hasChanged());
+        dataSetObservalbe.notifyChanged();
+        assertTrue(dataSetObserver1.hasChanged());
+        assertTrue(dataSetObserver2.hasChanged());
+
+        assertFalse(dataSetObserver1.hasInvalidated());
+        assertFalse(dataSetObserver2.hasInvalidated());
+        dataSetObservalbe.notifyInvalidated();
+        assertTrue(dataSetObserver1.hasInvalidated());
+        assertTrue(dataSetObserver2.hasInvalidated());
+
+        // After unregistering, all the observers can not be notified.
+        dataSetObservalbe.unregisterAll();
+        dataSetObserver1.resetStatus();
+        dataSetObserver2.resetStatus();
+
+        // notifyChanged is not working on dataSetObserver1 & 2 anymore.
+        dataSetObservalbe.notifyChanged();
+        assertFalse(dataSetObserver1.hasChanged());
+        assertFalse(dataSetObserver2.hasChanged());
+
+        // notifyInvalidated is not working on dataSetObserver1 & 2 anymore.
+        dataSetObservalbe.notifyInvalidated();
+        assertFalse(dataSetObserver1.hasInvalidated());
+        assertFalse(dataSetObserver2.hasInvalidated());
+    }
+
+    private class MockDataSetObserver extends DataSetObserver {
+        private boolean mHasChanged = false;
+        private boolean mHasInvalidated = false;
+
+        @Override
+        public void onChanged() {
+            super.onChanged();
+            mHasChanged = true;
+        }
+
+        @Override
+        public void onInvalidated() {
+            super.onInvalidated();
+            mHasInvalidated = true;
+        }
+
+        protected boolean hasChanged() {
+            return mHasChanged;
+        }
+
+        protected boolean hasInvalidated() {
+            return mHasInvalidated;
+        }
+
+        protected void resetStatus() {
+            mHasChanged = false;
+            mHasInvalidated = false;
+        }
+    }
+}