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 17 package android.app.timezone; 18 19 import static org.junit.Assert.assertEquals; 20 import static org.junit.Assert.assertFalse; 21 import static org.junit.Assert.assertTrue; 22 23 import android.os.Parcel; 24 import android.support.test.filters.LargeTest; 25 26 import org.junit.Test; 27 28 /** 29 * Tests for {@link DistroFormatVersion}. 30 */ 31 @LargeTest 32 public class DistroFormatVersionTest { 33 34 @Test 35 public void equalsAndHashCode() { 36 DistroFormatVersion one = new DistroFormatVersion(1, 2); 37 assertEqualsContract(one, one); 38 39 DistroFormatVersion two = new DistroFormatVersion(1, 2); 40 assertEqualsContract(one, two); 41 42 DistroFormatVersion three = new DistroFormatVersion(2, 1); 43 assertFalse(one.equals(three)); 44 } 45 46 @Test 47 public void parcelable() { 48 DistroFormatVersion version = new DistroFormatVersion(2, 3); 49 50 Parcel parcel = Parcel.obtain(); 51 version.writeToParcel(parcel, 0 /* flags */); 52 parcel.setDataPosition(0); 53 54 DistroFormatVersion newVersion = DistroFormatVersion.CREATOR.createFromParcel(parcel); 55 56 assertEquals(version, newVersion); 57 } 58 59 @Test 60 public void supportsVersion() { 61 DistroFormatVersion deviceVersion = new DistroFormatVersion(2, 2); 62 assertTrue(deviceVersion.supports(deviceVersion)); 63 64 DistroFormatVersion sameVersion = new DistroFormatVersion(2, 2); 65 assertTrue(deviceVersion.supports(sameVersion)); 66 67 // Minor versions are backwards compatible. 68 DistroFormatVersion sameMajorNewerMinor = new DistroFormatVersion(2, 3); 69 assertTrue(deviceVersion.supports(sameMajorNewerMinor)); 70 DistroFormatVersion sameMajorOlderMinor = new DistroFormatVersion(2, 1); 71 assertFalse(deviceVersion.supports(sameMajorOlderMinor)); 72 73 // Major versions are not backwards compatible. 74 DistroFormatVersion newerMajor = new DistroFormatVersion(1, 2); 75 assertFalse(deviceVersion.supports(newerMajor)); 76 DistroFormatVersion olderMajor = new DistroFormatVersion(3, 2); 77 assertFalse(deviceVersion.supports(olderMajor)); 78 } 79 80 private static void assertEqualsContract(DistroFormatVersion one, DistroFormatVersion two) { 81 assertEquals(one, two); 82 assertEquals(one.hashCode(), two.hashCode()); 83 } 84 } 85
