1 /* 2 * Copyright (C) 2022 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 android.car.os; 18 19 import static com.google.common.truth.Truth.assertThat; 20 import static com.google.common.truth.Truth.assertWithMessage; 21 22 import static org.junit.Assert.assertThrows; 23 24 import org.junit.Test; 25 import org.junit.runner.RunWith; 26 import org.mockito.junit.MockitoJUnitRunner; 27 28 @RunWith(MockitoJUnitRunner.class) 29 public final class ThreadPolicyWithPriorityUnitTest { 30 31 @Test testThreadPolicyWithPriorityMinPriority()32 public void testThreadPolicyWithPriorityMinPriority() { 33 int expectedPolicy = ThreadPolicyWithPriority.SCHED_FIFO; 34 int expectedPriority = ThreadPolicyWithPriority.PRIORITY_MIN; 35 36 ThreadPolicyWithPriority gotPolicyPriority = new ThreadPolicyWithPriority( 37 expectedPolicy, expectedPriority); 38 39 assertThat(gotPolicyPriority.getPolicy()).isEqualTo(expectedPolicy); 40 assertThat(gotPolicyPriority.getPriority()).isEqualTo(expectedPriority); 41 } 42 43 @Test testThreadPolicyWithPriorityMaxPriority()44 public void testThreadPolicyWithPriorityMaxPriority() { 45 int expectedPolicy = ThreadPolicyWithPriority.SCHED_FIFO; 46 int expectedPriority = ThreadPolicyWithPriority.PRIORITY_MAX; 47 48 ThreadPolicyWithPriority gotPolicyPriority = new ThreadPolicyWithPriority( 49 expectedPolicy, expectedPriority); 50 51 assertThat(gotPolicyPriority.getPolicy()).isEqualTo(expectedPolicy); 52 assertThat(gotPolicyPriority.getPriority()).isEqualTo(expectedPriority); 53 } 54 55 @Test testThreadPolicyWithPriorityInvalidPolicy()56 public void testThreadPolicyWithPriorityInvalidPolicy() { 57 int policy = -1; 58 int priority = ThreadPolicyWithPriority.PRIORITY_MIN; 59 60 IllegalArgumentException thrown = assertThrows(IllegalArgumentException.class, 61 () -> new ThreadPolicyWithPriority(policy, priority)); 62 63 assertWithMessage("thrown exception has expected message").that(thrown).hasMessageThat() 64 .contains("invalid policy"); 65 } 66 67 @Test testThreadPolicyWithPriorityPriorityTooSmall()68 public void testThreadPolicyWithPriorityPriorityTooSmall() { 69 int policy = ThreadPolicyWithPriority.SCHED_FIFO; 70 int priority = ThreadPolicyWithPriority.PRIORITY_MIN - 1; 71 72 IllegalArgumentException thrown = assertThrows(IllegalArgumentException.class, 73 () -> new ThreadPolicyWithPriority(policy, priority)); 74 75 assertWithMessage("thrown exception has expected message").that(thrown).hasMessageThat() 76 .contains("invalid priority"); 77 } 78 79 @Test testThreadPolicyWithPriorityPriorityTooLarge()80 public void testThreadPolicyWithPriorityPriorityTooLarge() { 81 int policy = ThreadPolicyWithPriority.SCHED_FIFO; 82 int priority = ThreadPolicyWithPriority.PRIORITY_MAX + 1; 83 84 IllegalArgumentException thrown = assertThrows(IllegalArgumentException.class, 85 () -> new ThreadPolicyWithPriority(policy, priority)); 86 87 assertWithMessage("thrown exception has expected message").that(thrown).hasMessageThat() 88 .contains("invalid priority"); 89 } 90 91 @Test testDefaultThreadPolicy()92 public void testDefaultThreadPolicy() { 93 ThreadPolicyWithPriority gotPolicyPriority = new ThreadPolicyWithPriority( 94 ThreadPolicyWithPriority.SCHED_DEFAULT, /* priority= */ 1); 95 96 assertThat(gotPolicyPriority.getPolicy()).isEqualTo(ThreadPolicyWithPriority.SCHED_DEFAULT); 97 assertThat(gotPolicyPriority.getPriority()).isEqualTo(0); 98 } 99 } 100