original

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

diff --git a/cts/tests/tests/database/src/android/database/cts/ContentObservableTest.java b/cts/tests/tests/database/src/android/database/cts/ContentObservableTest.java
new file mode 100644 (file)
index 0000000..f9b3338
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+++ b/cts/tests/tests/database/src/android/database/cts/ContentObservableTest.java
@@ -0,0 +1,144 @@
+/*
+ * 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 dalvik.annotation.TestLevel;
+import dalvik.annotation.TestTargetClass;
+import dalvik.annotation.TestTargetNew;
+import dalvik.annotation.TestTargets;
+import dalvik.annotation.ToBeFixed;
+
+import android.database.ContentObservable;
+import android.database.ContentObserver;
+import android.test.InstrumentationTestCase;
+
+@TestTargetClass(ContentObservable.class)
+public class ContentObservableTest extends InstrumentationTestCase {
+    ContentObservable mContentObservable;
+    MyContentObserver mObserver;
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+
+        mContentObservable = new ContentObservable();
+        mObserver = new MyContentObserver();
+    }
+
+    @TestTargets({
+        @TestTargetNew(
+            level = TestLevel.COMPLETE,
+            method = "registerObserver",
+            args = {android.database.ContentObserver.class}
+        ),
+        @TestTargetNew(
+            level = TestLevel.COMPLETE,
+            method = "notifyChange",
+            args = {boolean.class}
+        )
+    })
+    @ToBeFixed(bug = "1486189", explanation = "registerObserver is a redundant override method")
+    public void testNotifyChange() {
+        mContentObservable.registerObserver(mObserver);
+        mObserver.resetStatus();
+        assertFalse(mObserver.hasChanged());
+        mContentObservable.notifyChange(false);
+        assertTrue(mObserver.hasChanged());
+
+        try {
+            mContentObservable.registerObserver(mObserver);
+            fail("Re-registering observer did not cause exception.");
+        } catch (IllegalStateException expected) {
+            // expected
+        }
+
+        try {
+            mContentObservable.registerObserver(null);
+            fail("Registering null observer did not cause exception.");
+        } catch (IllegalArgumentException expected) {
+            // expected
+        }
+
+        MyContentObserver second = new MyContentObserver();
+        mContentObservable.registerObserver(second);
+
+        mContentObservable.unregisterObserver(mObserver);
+        mObserver.resetStatus();
+        assertFalse(mObserver.hasChanged());
+        mContentObservable.notifyChange(false);
+        assertFalse(mObserver.hasChanged());
+        assertTrue(second.hasChanged());
+    }
+
+    @TestTargetNew(
+        level = TestLevel.COMPLETE,
+        method = "dispatchChange",
+        args = {boolean.class}
+    )
+    public void testDispatchChange() {
+        mContentObservable.registerObserver(mObserver);
+        mObserver.resetStatus();
+        assertFalse(mObserver.hasChanged());
+        mContentObservable.dispatchChange(false);
+        assertTrue(mObserver.hasChanged());
+
+        mObserver.resetStatus();
+        assertFalse(mObserver.hasChanged());
+        mContentObservable.dispatchChange(true);
+        assertFalse(mObserver.hasChanged());
+        mObserver.setDeliverSelfNotifications(true);
+        mContentObservable.dispatchChange(true);
+        assertTrue(mObserver.hasChanged());
+
+        mContentObservable.unregisterObserver(mObserver);
+        mObserver.resetStatus();
+        assertFalse(mObserver.hasChanged());
+        mContentObservable.dispatchChange(false);
+        assertFalse(mObserver.hasChanged());
+    }
+
+    private static class MyContentObserver extends ContentObserver {
+        private boolean mHasChanged = false;
+        private boolean mDeliverSelfNotifications = false;
+
+        public MyContentObserver() {
+            super(null);
+        }
+
+        @Override
+        public void onChange(boolean selfChange) {
+            super.onChange(selfChange);
+            mHasChanged = true;
+        }
+
+        public boolean deliverSelfNotifications() {
+            return mDeliverSelfNotifications ;
+        }
+
+        protected boolean hasChanged() {
+            return mHasChanged;
+        }
+
+        protected void resetStatus() {
+            mHasChanged = false;
+        }
+
+        protected void setDeliverSelfNotifications(boolean b) {
+            mDeliverSelfNotifications = b;
+        }
+    }
+}