| /* |
| * Copyright (C) 2017 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.arch.lifecycle; |
| |
| import static org.hamcrest.CoreMatchers.is; |
| import static org.hamcrest.CoreMatchers.nullValue; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| @RunWith(JUnit4.class) |
| public class ViewModelStoreTest { |
| |
| @Test |
| public void testClear() { |
| ViewModelStore store = new ViewModelStore(); |
| TestViewModel viewModel1 = new TestViewModel(); |
| TestViewModel viewModel2 = new TestViewModel(); |
| store.put("a", viewModel1); |
| store.put("b", viewModel2); |
| assertThat(viewModel1.mCleared, is(false)); |
| assertThat(viewModel2.mCleared, is(false)); |
| store.clear(); |
| assertThat(viewModel1.mCleared, is(true)); |
| assertThat(viewModel2.mCleared, is(true)); |
| assertThat(store.get("a"), nullValue()); |
| assertThat(store.get("b"), nullValue()); |
| } |
| |
| static class TestViewModel extends ViewModel { |
| boolean mCleared = false; |
| |
| @Override |
| protected void onCleared() { |
| mCleared = true; |
| } |
| } |
| } |