| /* |
| * Copyright (C) 2021 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.server.wm; |
| |
| import static android.window.DisplayAreaOrganizer.FEATURE_DEFAULT_TASK_CONTAINER; |
| import static android.window.DisplayAreaOrganizer.FEATURE_ROOT; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import android.platform.test.annotations.Presubmit; |
| import android.server.wm.WindowManagerState.DisplayArea; |
| import android.server.wm.WindowManagerState.DisplayContent; |
| import android.view.Display; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| /** |
| * Build/Install/Run: |
| * atest CtsWindowManagerDeviceTestCases:DisplayAreaPolicyTests |
| */ |
| @Presubmit |
| public class DisplayAreaPolicyTests extends ActivityManagerTestBase { |
| |
| private List<DisplayContent> mDisplays; |
| |
| @Before |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| |
| // Verify on all displays. |
| mWmState.computeState(); |
| mDisplays = mWmState.getDisplays(); |
| } |
| |
| private boolean isTrustedDisplay(DisplayContent displayContent) { |
| return (displayContent.getFlags() & Display.FLAG_TRUSTED) != 0; |
| } |
| |
| /** |
| * DisplayContent should have feature id of FEATURE_ROOT. |
| */ |
| @Test |
| public void testDisplayContent() { |
| for (DisplayContent displayContent : mDisplays) { |
| assertThat(displayContent.getFeatureId()).isEqualTo(FEATURE_ROOT); |
| } |
| } |
| |
| /** |
| * There must be exactly one default TaskDisplayArea per display. |
| */ |
| @Test |
| public void testDefaultTaskDisplayArea() { |
| for (DisplayContent displayContent : mDisplays) { |
| final List<DisplayArea> taskDisplayAreas = displayContent.getAllTaskDisplayAreas(); |
| final List<DisplayArea> defaultTda = new ArrayList<>(); |
| for (DisplayArea taskDisplayArea : taskDisplayAreas) { |
| if (taskDisplayArea.getFeatureId() == FEATURE_DEFAULT_TASK_CONTAINER) { |
| defaultTda.add(taskDisplayArea); |
| } |
| } |
| assertThat(defaultTda).hasSize(1); |
| } |
| } |
| |
| /** |
| * TaskDisplayArea and RootDisplayArea must have unique feature ids per display. |
| */ |
| @Test |
| public void testDisplayAreaUniqueId() { |
| for (DisplayContent displayContent : mDisplays) { |
| // TaskDisplayArea and RootDisplayArea must have unique feature ids. |
| final Set<Integer> uniqueIds = new HashSet<>(); |
| uniqueIds.add(displayContent.getFeatureId()); |
| // Other DisplayAreas can have non-unique feature ids, but shouldn't be the same with |
| // any TaskDisplayArea or RootDisplayArea. |
| final Set<Integer> nonUniqueIds = new HashSet<>(); |
| final List<DisplayArea> displayAreas = displayContent.getAllChildDisplayAreas(); |
| |
| for (DisplayArea displayArea : displayAreas) { |
| final int featureId = displayArea.getFeatureId(); |
| if (displayArea.isRootDisplayArea() || displayArea.isTaskDisplayArea()) { |
| assertThat(uniqueIds.add(featureId)).isTrue(); |
| assertThat(nonUniqueIds).doesNotContain(featureId); |
| } else { |
| nonUniqueIds.add(featureId); |
| assertThat(uniqueIds).doesNotContain(featureId); |
| } |
| } |
| } |
| } |
| } |