| /* |
| * 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.helpers.tests; |
| |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import com.android.helpers.FreeMemHelper; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.util.Map; |
| |
| /** |
| * Android Unit tests for {@link FreeMemHelper}. |
| * |
| * To run: |
| * atest CollectorsHelperTest:com.android.helpers.tests.FreeMemHelperTest |
| */ |
| @RunWith(AndroidJUnit4.class) |
| public class FreeMemHelperTest { |
| private FreeMemHelper mFreeMemHelper; |
| |
| @Before |
| public void setUp() { |
| mFreeMemHelper = new FreeMemHelper(); |
| } |
| |
| @Test |
| public void testGetMetrics() { |
| assertTrue(mFreeMemHelper.startCollecting()); |
| Map<String, Long> freeMemMetrics = mFreeMemHelper.getMetrics(); |
| assertFalse(freeMemMetrics.isEmpty()); |
| assertTrue(freeMemMetrics.containsKey(FreeMemHelper.MEM_AVAILABLE_CACHE_PROC_DIRTY)); |
| assertTrue(freeMemMetrics.containsKey(FreeMemHelper.PROC_MEMINFO_MEM_AVAILABLE)); |
| assertTrue(freeMemMetrics.containsKey(FreeMemHelper.DUMPSYS_CACHED_PROC_MEMORY)); |
| assertTrue(freeMemMetrics.get(FreeMemHelper.MEM_AVAILABLE_CACHE_PROC_DIRTY) > 0); |
| assertTrue(freeMemMetrics.get(FreeMemHelper.PROC_MEMINFO_MEM_AVAILABLE) > 0); |
| assertTrue(freeMemMetrics.get(FreeMemHelper.DUMPSYS_CACHED_PROC_MEMORY) > 0); |
| } |
| } |