| /* |
| * 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.view; |
| |
| import android.content.Context; |
| import android.test.AndroidTestCase; |
| |
| import androidx.test.filters.SmallTest; |
| |
| public class ViewGroupAttributesTest extends AndroidTestCase { |
| |
| private MyViewGroup mViewGroup; |
| |
| private static final class MyViewGroup extends ViewGroup { |
| |
| public MyViewGroup(Context context) { |
| super(context); |
| } |
| |
| @Override |
| protected void onLayout(boolean changed, int l, int t, int r, int b) { |
| } |
| |
| @Override |
| public boolean isChildrenDrawnWithCacheEnabled() { |
| return super.isChildrenDrawnWithCacheEnabled(); |
| } |
| } |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| mViewGroup = new MyViewGroup(getContext()); |
| } |
| |
| @SmallTest |
| public void testDescendantFocusabilityEnum() { |
| assertEquals("expected ViewGroup.FOCUS_BEFORE_DESCENDANTS to be default", |
| ViewGroup.FOCUS_BEFORE_DESCENDANTS, mViewGroup.getDescendantFocusability()); |
| |
| // remember some state before we muck with flags |
| final boolean isAnimationCachEnabled = mViewGroup.isAnimationCacheEnabled(); |
| final boolean isAlwaysDrawnWithCacheEnabled = mViewGroup.isAlwaysDrawnWithCacheEnabled(); |
| final boolean isChildrenDrawnWithCacheEnabled = mViewGroup.isChildrenDrawnWithCacheEnabled(); |
| |
| mViewGroup.setDescendantFocusability(ViewGroup.FOCUS_AFTER_DESCENDANTS); |
| assertEquals(ViewGroup.FOCUS_AFTER_DESCENDANTS, mViewGroup.getDescendantFocusability()); |
| |
| mViewGroup.setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS); |
| assertEquals(ViewGroup.FOCUS_BLOCK_DESCENDANTS, mViewGroup.getDescendantFocusability()); |
| |
| mViewGroup.setDescendantFocusability(ViewGroup.FOCUS_BEFORE_DESCENDANTS); |
| assertEquals(ViewGroup.FOCUS_BEFORE_DESCENDANTS, mViewGroup.getDescendantFocusability()); |
| |
| // verify we didn't change something unrelated |
| final String msg = "setDescendantFocusability messed with an unrelated flag"; |
| assertEquals(msg, isAnimationCachEnabled, mViewGroup.isAnimationCacheEnabled()); |
| assertEquals(msg, isAlwaysDrawnWithCacheEnabled, mViewGroup.isAlwaysDrawnWithCacheEnabled()); |
| assertEquals(msg, isChildrenDrawnWithCacheEnabled, mViewGroup.isChildrenDrawnWithCacheEnabled()); |
| } |
| |
| @SmallTest |
| public void testWrongIntSetForDescendantFocusabilityEnum() { |
| try { |
| mViewGroup.setDescendantFocusability(0); |
| fail("expected setting wrong flag to throw an exception"); |
| } catch (IllegalArgumentException expected) { |
| } |
| } |
| } |