| /* |
| * Copyright (C) 2019 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.systemui.shared.recents.model; |
| |
| |
| import static junit.framework.TestCase.assertEquals; |
| import static junit.framework.TestCase.assertNull; |
| |
| import android.test.suitebuilder.annotation.SmallTest; |
| |
| import com.android.systemui.SysuiTestCase; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| @SmallTest |
| @RunWith(JUnit4.class) |
| public class TaskKeyLruCacheTest extends SysuiTestCase { |
| private static int sCacheSize = 3; |
| private static int sIdTask1 = 1; |
| private static int sIdTask2 = 2; |
| private static int sIdTask3 = 3; |
| private static int sIdUser1 = 1; |
| |
| TaskKeyCache<Integer> mCache = new TaskKeyLruCache<>(sCacheSize, null); |
| Task.TaskKey mKey1; |
| Task.TaskKey mKey2; |
| Task.TaskKey mKey3; |
| |
| @Before |
| public void setup() { |
| mKey1 = new Task.TaskKey(sIdTask1, 0, null, null, sIdUser1, System.currentTimeMillis()); |
| mKey2 = new Task.TaskKey(sIdTask2, 0, null, null, sIdUser1, System.currentTimeMillis()); |
| mKey3 = new Task.TaskKey(sIdTask3, 0, null, null, sIdUser1, System.currentTimeMillis()); |
| } |
| |
| @Test |
| public void addSingleItem_get_success() { |
| mCache.put(mKey1, 1); |
| |
| assertEquals(1, (int) mCache.get(mKey1)); |
| } |
| |
| @Test |
| public void addSingleItem_getUninsertedItem_returnsNull() { |
| mCache.put(mKey1, 1); |
| |
| assertNull(mCache.get(mKey2)); |
| } |
| |
| @Test |
| public void emptyCache_get_returnsNull() { |
| assertNull(mCache.get(mKey1)); |
| } |
| |
| @Test |
| public void updateItem_get_returnsSecond() { |
| mCache.put(mKey1, 1); |
| mCache.put(mKey1, 2); |
| |
| assertEquals(2, (int) mCache.get(mKey1)); |
| assertEquals(1, mCache.mKeys.size()); |
| } |
| |
| @Test |
| public void fillCache_put_evictsOldest() { |
| mCache.put(mKey1, 1); |
| mCache.put(mKey2, 2); |
| mCache.put(mKey3, 3); |
| Task.TaskKey key4 = new Task.TaskKey(sIdTask3 + 1, 0, |
| null, null, sIdUser1, System.currentTimeMillis()); |
| mCache.put(key4, 4); |
| |
| assertNull(mCache.get(mKey1)); |
| assertEquals(3, mCache.mKeys.size()); |
| assertEquals(mKey2, mCache.mKeys.valueAt(0)); |
| } |
| |
| @Test |
| public void fillCache_remove_success() { |
| mCache.put(mKey1, 1); |
| mCache.put(mKey2, 2); |
| mCache.put(mKey3, 3); |
| |
| mCache.remove(mKey2); |
| |
| assertNull(mCache.get(mKey2)); |
| assertEquals(2, mCache.mKeys.size()); |
| } |
| } |