| /* |
| * Copyright (C) 2020 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 com.android.server.wm; |
| |
| import static com.android.server.wm.testing.Assert.assertThrows; |
| |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.when; |
| |
| import android.content.res.Resources; |
| import android.platform.test.annotations.Presubmit; |
| |
| import org.hamcrest.Matchers; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| @Presubmit |
| public class DisplayAreaProviderTest { |
| |
| @Test |
| public void testFromResources_emptyProvider() { |
| Assert.assertThat(DisplayAreaPolicy.Provider.fromResources(resourcesWithProvider("")), |
| Matchers.instanceOf(DisplayAreaPolicy.DefaultProvider.class)); |
| } |
| |
| @Test |
| public void testFromResources_nullProvider() { |
| Assert.assertThat(DisplayAreaPolicy.Provider.fromResources(resourcesWithProvider(null)), |
| Matchers.instanceOf(DisplayAreaPolicy.DefaultProvider.class)); |
| } |
| |
| @Test |
| public void testFromResources_customProvider() { |
| Assert.assertThat(DisplayAreaPolicy.Provider.fromResources(resourcesWithProvider( |
| TestProvider.class.getName())), Matchers.instanceOf(TestProvider.class)); |
| } |
| |
| @Test |
| public void testFromResources_badProvider_notImplementingProviderInterface() { |
| assertThrows(IllegalStateException.class, () -> { |
| DisplayAreaPolicy.Provider.fromResources(resourcesWithProvider( |
| Object.class.getName())); |
| }); |
| } |
| |
| @Test |
| public void testFromResources_badProvider_doesntExist() { |
| assertThrows(IllegalStateException.class, () -> { |
| DisplayAreaPolicy.Provider.fromResources(resourcesWithProvider( |
| "com.android.wmtests.nonexistent.Provider")); |
| }); |
| } |
| |
| private static Resources resourcesWithProvider(String provider) { |
| Resources mock = mock(Resources.class); |
| when(mock.getString( |
| com.android.internal.R.string.config_deviceSpecificDisplayAreaPolicyProvider)) |
| .thenReturn(provider); |
| return mock; |
| } |
| |
| static class TestProvider implements DisplayAreaPolicy.Provider { |
| |
| @Override |
| public DisplayAreaPolicy instantiate(WindowManagerService wmService, DisplayContent content, |
| DisplayArea.Root root, DisplayArea<? extends WindowContainer> imeContainer, |
| DisplayContent.TaskContainers taskContainers) { |
| throw new RuntimeException("test stub"); |
| } |
| } |
| } |