1/* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License 15 */ 16 17package com.android.systemui.util.leak; 18 19import static org.junit.Assert.assertEquals; 20 21import android.support.test.filters.SmallTest; 22import android.support.test.runner.AndroidJUnit4; 23 24import com.android.systemui.SysuiTestCase; 25 26import org.junit.Test; 27import org.junit.runner.RunWith; 28 29@SmallTest 30@RunWith(AndroidJUnit4.class) 31public class ReferenceTestUtilsTest extends SysuiTestCase { 32 33 @Test 34 public void testCollectionWaiter_doesntBlockIndefinitely() { 35 ReferenceTestUtils.createCollectionWaiter(new Object()).waitForCollection(); 36 } 37 38 @Test 39 public void testConditionWaiter_doesntBlockIndefinitely() { 40 ReferenceTestUtils.waitForCondition(() -> true); 41 } 42 43 @Test 44 public void testConditionWaiter_waitsUntilConditionIsTrue() { 45 int[] countHolder = new int[]{0}; 46 47 ReferenceTestUtils.waitForCondition(() -> { 48 countHolder[0] += 1; 49 return countHolder[0] >= 5; 50 }); 51 52 assertEquals(5, countHolder[0]); 53 } 54} 55