1 /*
2  * Copyright 2019 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.view.inspector.cts;
18 
19 
20 import static org.junit.Assert.assertEquals;
21 import static org.junit.Assert.assertNotNull;
22 import static org.junit.Assert.assertNull;
23 import static org.junit.Assert.assertTrue;
24 
25 import android.view.View;
26 import android.view.inspector.InspectionCompanion;
27 import android.view.inspector.PropertyMapper;
28 import android.view.inspector.PropertyReader;
29 import android.view.inspector.StaticInspectionCompanionProvider;
30 import android.widget.RelativeLayout;
31 
32 import androidx.test.filters.SmallTest;
33 import androidx.test.runner.AndroidJUnit4;
34 
35 import org.junit.Before;
36 import org.junit.Test;
37 import org.junit.runner.RunWith;
38 
39 /**
40  * Tests for {@link StaticInspectionCompanionProvider}
41  */
42 @SmallTest
43 @RunWith(AndroidJUnit4.class)
44 public class StaticInspectionCompanionProviderTest {
45     private StaticInspectionCompanionProvider mProvider;
46 
47     @Before
setup()48     public void setup() {
49         mProvider = new StaticInspectionCompanionProvider();
50     }
51 
52     @Test
testViewWorks()53     public void testViewWorks() {
54         InspectionCompanion<View> companion = mProvider.provide(View.class);
55         assertNotNull(companion);
56         assertEquals("android.view.View$InspectionCompanion", companion.getClass().getName());
57     }
58 
59     @Test
testRelativeLayoutWorks()60     public void testRelativeLayoutWorks() {
61         InspectionCompanion<RelativeLayout.LayoutParams> companion =
62                 mProvider.provide(RelativeLayout.LayoutParams.class);
63         assertNotNull(companion);
64         assertEquals(
65                 "android.widget.RelativeLayout$LayoutParams$InspectionCompanion",
66                 companion.getClass().getName());
67     }
68 
69     static class NestedClassTest {
70         public static final class InspectionCompanion
71                 implements android.view.inspector.InspectionCompanion<NestedClassTest> {
72             @Override
mapProperties(PropertyMapper propertyMapper)73             public void mapProperties(PropertyMapper propertyMapper) {
74 
75             }
76 
77             @Override
readProperties(NestedClassTest inspectable, PropertyReader propertyReader)78             public void readProperties(NestedClassTest inspectable, PropertyReader propertyReader) {
79 
80             }
81         }
82     }
83 
84     @Test
testNestedClassLoading()85     public void testNestedClassLoading() {
86         InspectionCompanion<NestedClassTest> companion = mProvider.provide(NestedClassTest.class);
87         assertNotNull(companion);
88         assertTrue(companion instanceof NestedClassTest.InspectionCompanion);
89     }
90 
91     static class NonImplementingNestedClassTest {
92         public static final class InspectionCompanion {
93         }
94     }
95 
96     @Test
testNonImplementingNestedClass()97     public void testNonImplementingNestedClass() {
98         InspectionCompanion<NonImplementingNestedClassTest> companion =
99                 mProvider.provide(NonImplementingNestedClassTest.class);
100         assertNull(companion);
101     }
102 
103     class NoCompanionTest {
104     }
105 
106     @Test
testNoCompanion()107     public void testNoCompanion() {
108         InspectionCompanion<NoCompanionTest> companion = mProvider.provide(NoCompanionTest.class);
109         assertNull(companion);
110     }
111 }
112