1 /* 2 * Copyright (C) 2009 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 17 package com.android.modules.utils; 18 19 import androidx.test.filters.SmallTest; 20 import junit.framework.TestCase; 21 22 import org.junit.Assert; 23 import org.junit.Test; 24 import org.junit.runner.RunWith; 25 import org.junit.runners.JUnit4; 26 27 import java.time.Duration; 28 import java.util.concurrent.TimeoutException; 29 30 @RunWith(JUnit4.class) 31 @SmallTest 32 public class SynchronousResultReceiverTest extends TestCase { 33 private static final Duration OK_TIME = Duration.ofMillis(100); 34 private static final Duration NEG_TIME = Duration.ofSeconds(-1); 35 36 @Test testSimpleData()37 public void testSimpleData() throws Exception { 38 final SynchronousResultReceiver<Boolean> recv = SynchronousResultReceiver.get(); 39 recv.send(true); 40 final boolean result = recv.awaitResultNoInterrupt(OK_TIME).getValue(false); 41 assertTrue(result); 42 } 43 44 @Test testDoubleComplete()45 public void testDoubleComplete() throws Exception { 46 final SynchronousResultReceiver<Boolean> recv = SynchronousResultReceiver.get(); 47 recv.send(true); 48 Assert.assertThrows(IllegalStateException.class, 49 () -> recv.send(true)); 50 } 51 52 @Test testDefaultValue()53 public void testDefaultValue() throws Exception { 54 final SynchronousResultReceiver<Boolean> recv = SynchronousResultReceiver.get(); 55 recv.send(null); 56 assertTrue(recv.awaitResultNoInterrupt(OK_TIME).getValue(true)); 57 } 58 59 @Test testPropagateException()60 public void testPropagateException() throws Exception { 61 final SynchronousResultReceiver<Boolean> recv = SynchronousResultReceiver.get(); 62 recv.propagateException(new RuntimeException("Placeholder exception")); 63 Assert.assertThrows(RuntimeException.class, 64 () -> recv.awaitResultNoInterrupt(OK_TIME).getValue(false)); 65 } 66 67 @Test testTimeout()68 public void testTimeout() throws Exception { 69 final SynchronousResultReceiver<Boolean> recv = SynchronousResultReceiver.get(); 70 Assert.assertThrows(TimeoutException.class, 71 () -> recv.awaitResultNoInterrupt(OK_TIME)); 72 } 73 74 @Test testNegativeTime()75 public void testNegativeTime() throws Exception { 76 final SynchronousResultReceiver<Boolean> recv = SynchronousResultReceiver.get(); 77 recv.send(false); 78 Assert.assertThrows(TimeoutException.class, 79 () -> recv.awaitResultNoInterrupt(NEG_TIME)); 80 } 81 } 82