| /* |
| * Copyright (C) 2007 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.widget.focus; |
| |
| import static org.mockito.Mockito.inOrder; |
| import static org.mockito.Mockito.mock; |
| |
| import android.os.Handler; |
| import android.test.ActivityInstrumentationTestCase2; |
| import android.test.UiThreadTest; |
| import android.test.suitebuilder.annotation.LargeTest; |
| import android.test.suitebuilder.annotation.MediumTest; |
| import android.util.AndroidRuntimeException; |
| import android.view.View; |
| import android.view.View.OnFocusChangeListener; |
| import android.view.ViewTreeObserver.OnGlobalFocusChangeListener; |
| import android.widget.Button; |
| |
| import com.android.frameworks.coretests.R; |
| import org.mockito.InOrder; |
| |
| /** |
| * {@link RequestFocusTest} is set up to exercise cases where the views that |
| * have focus become invisible or GONE. |
| */ |
| public class RequestFocusTest extends ActivityInstrumentationTestCase2<RequestFocus> { |
| |
| private Button mTopLeftButton; |
| private Button mBottomLeftButton; |
| private Button mTopRightButton; |
| private Button mBottomRightButton; |
| private Handler mHandler; |
| |
| public RequestFocusTest() { |
| super(RequestFocus.class); |
| } |
| |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| |
| final RequestFocus a = getActivity(); |
| mHandler = a.getHandler(); |
| mTopLeftButton = (Button) a.findViewById(R.id.topLeftButton); |
| mBottomLeftButton = (Button) a.findViewById(R.id.bottomLeftButton); |
| mTopRightButton = (Button) a.findViewById(R.id.topRightButton); |
| mBottomRightButton = (Button) a.findViewById(R.id.bottomRightButton); |
| } |
| |
| // Test that setUp did what we expect it to do. These asserts |
| // can't go in SetUp, or the test will hang. |
| @MediumTest |
| public void testSetUpConditions() throws Exception { |
| assertNotNull(mHandler); |
| assertNotNull(mTopLeftButton); |
| assertNotNull(mTopRightButton); |
| assertNotNull(mBottomLeftButton); |
| assertNotNull(mBottomRightButton); |
| assertTrue("requestFocus() should work from onCreate.", mBottomRightButton.hasFocus()); |
| } |
| |
| // Test that a posted requestFocus works. |
| @LargeTest |
| public void testPostedRequestFocus() throws Exception { |
| mHandler.post(new Runnable() { public void run() { |
| mBottomLeftButton.requestFocus(); |
| }}); |
| synchronized(this) { |
| try { |
| wait(500); |
| } catch (InterruptedException e) { |
| // Don't care. |
| } |
| } |
| assertTrue("Focus should move to bottom left", mBottomLeftButton.hasFocus()); |
| } |
| |
| // Test that a requestFocus from the wrong thread fails. |
| @MediumTest |
| public void testWrongThreadRequestFocusFails() throws Exception { |
| try { |
| mTopRightButton.requestFocus(); |
| fail("requestFocus from wrong thread should raise exception."); |
| } catch (AndroidRuntimeException e) { |
| // Expected. The actual exception is not public, so we can't catch it. |
| assertEquals("android.view.ViewRootImpl$CalledFromWrongThreadException", |
| e.getClass().getName()); |
| } |
| } |
| |
| /** |
| * This tests checks the case in which the first focusable View clears focus. |
| * In such a case the framework tries to give the focus to another View starting |
| * from the top. Hence, the framework will try to give focus to the view that |
| * wants to clear its focus. |
| * |
| * @throws Exception If an error occurs. |
| */ |
| @UiThreadTest |
| public void testOnFocusChangeCallbackOrderWhenClearingFocusOfFirstFocusable() |
| throws Exception { |
| // Get the first focusable. |
| Button clearingFocusButton = mTopLeftButton; |
| Button gainingFocusButton = mTopLeftButton; |
| |
| // Make sure that the clearing focus View is the first focusable. |
| View focusCandidate = clearingFocusButton.getRootView().getParent().focusSearch(null, |
| View.FOCUS_FORWARD); |
| assertSame("The clearing focus button is the first focusable.", |
| clearingFocusButton, focusCandidate); |
| assertSame("The gaining focus button is the first focusable.", |
| gainingFocusButton, focusCandidate); |
| |
| // Focus the clearing focus button. |
| clearingFocusButton.requestFocus(); |
| assertTrue(clearingFocusButton.hasFocus()); |
| |
| // Register the invocation order checker. |
| CombinedListeners mock = mock(CombinedListeners.class); |
| clearingFocusButton.setOnFocusChangeListener(mock); |
| gainingFocusButton.setOnFocusChangeListener(mock); |
| clearingFocusButton.getViewTreeObserver().addOnGlobalFocusChangeListener(mock); |
| |
| // Try to clear focus. |
| clearingFocusButton.clearFocus(); |
| |
| // Check that no callback was invoked since focus did not move. |
| InOrder inOrder = inOrder(mock); |
| inOrder.verify(mock).onFocusChange(clearingFocusButton, false); |
| inOrder.verify(mock).onGlobalFocusChanged(clearingFocusButton, gainingFocusButton); |
| inOrder.verify(mock).onFocusChange(gainingFocusButton, true); |
| } |
| |
| public interface CombinedListeners extends OnFocusChangeListener, OnGlobalFocusChangeListener {} |
| |
| /** |
| * This tests check whether the on focus change callbacks are invoked in |
| * the proper order when a View loses focus and the framework gives it to |
| * the fist focusable one. |
| * |
| * @throws Exception |
| */ |
| @UiThreadTest |
| public void testOnFocusChangeCallbackOrderWhenClearingFocusOfNotFirstFocusable() |
| throws Exception { |
| Button clearingFocusButton = mTopRightButton; |
| Button gainingFocusButton = mTopLeftButton; |
| |
| // Make sure that the clearing focus View is not the first focusable. |
| View focusCandidate = clearingFocusButton.getRootView().getParent().focusSearch(null, |
| View.FOCUS_FORWARD); |
| assertNotSame("The clearing focus button is not the first focusable.", |
| clearingFocusButton, focusCandidate); |
| assertSame("The gaining focus button is the first focusable.", |
| gainingFocusButton, focusCandidate); |
| |
| // Focus the clearing focus button. |
| clearingFocusButton.requestFocus(); |
| assertTrue(clearingFocusButton.hasFocus()); |
| |
| // Register the invocation order checker. |
| CombinedListeners mock = mock(CombinedListeners.class); |
| clearingFocusButton.setOnFocusChangeListener(mock); |
| gainingFocusButton.setOnFocusChangeListener(mock); |
| clearingFocusButton.getViewTreeObserver().addOnGlobalFocusChangeListener(mock); |
| |
| // Try to clear focus. |
| clearingFocusButton.clearFocus(); |
| |
| // Check that no callback was invoked since focus did not move. |
| InOrder inOrder = inOrder(mock); |
| inOrder.verify(mock).onFocusChange(clearingFocusButton, false); |
| inOrder.verify(mock).onGlobalFocusChanged(clearingFocusButton, gainingFocusButton); |
| inOrder.verify(mock).onFocusChange(gainingFocusButton, true); |
| } |
| } |