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.platform.test.annotations.AppModeSdkSandbox;
26 import android.view.View;
27 import android.view.inspector.InspectionCompanion;
28 import android.view.inspector.PropertyMapper;
29 import android.view.inspector.PropertyReader;
30 import android.view.inspector.StaticInspectionCompanionProvider;
31 import android.widget.RelativeLayout;
32 
33 import androidx.test.filters.SmallTest;
34 import androidx.test.runner.AndroidJUnit4;
35 
36 import org.junit.Before;
37 import org.junit.Test;
38 import org.junit.runner.RunWith;
39 
40 /**
41  * Tests for {@link StaticInspectionCompanionProvider}
42  */
43 @SmallTest
44 @RunWith(AndroidJUnit4.class)
45 @AppModeSdkSandbox(reason = "Allow test in the SDK sandbox (does not prevent other modes).")
46 public class StaticInspectionCompanionProviderTest {
47     private StaticInspectionCompanionProvider mProvider;
48 
49     @Before
setup()50     public void setup() {
51         mProvider = new StaticInspectionCompanionProvider();
52     }
53 
54     @Test
testViewWorks()55     public void testViewWorks() {
56         InspectionCompanion<View> companion = mProvider.provide(View.class);
57         assertNotNull(companion);
58         assertEquals("android.view.View$InspectionCompanion", companion.getClass().getName());
59     }
60 
61     @Test
testRelativeLayoutWorks()62     public void testRelativeLayoutWorks() {
63         InspectionCompanion<RelativeLayout.LayoutParams> companion =
64                 mProvider.provide(RelativeLayout.LayoutParams.class);
65         assertNotNull(companion);
66         assertEquals(
67                 "android.widget.RelativeLayout$LayoutParams$InspectionCompanion",
68                 companion.getClass().getName());
69     }
70 
71     static class NestedClassTest {
72         public static final class InspectionCompanion
73                 implements android.view.inspector.InspectionCompanion<NestedClassTest> {
74             @Override
mapProperties(PropertyMapper propertyMapper)75             public void mapProperties(PropertyMapper propertyMapper) {
76 
77             }
78 
79             @Override
readProperties(NestedClassTest inspectable, PropertyReader propertyReader)80             public void readProperties(NestedClassTest inspectable, PropertyReader propertyReader) {
81 
82             }
83         }
84     }
85 
86     @Test
testNestedClassLoading()87     public void testNestedClassLoading() {
88         InspectionCompanion<NestedClassTest> companion = mProvider.provide(NestedClassTest.class);
89         assertNotNull(companion);
90         assertTrue(companion instanceof NestedClassTest.InspectionCompanion);
91     }
92 
93     static class NonImplementingNestedClassTest {
94         public static final class InspectionCompanion {
95         }
96     }
97 
98     @Test
testNonImplementingNestedClass()99     public void testNonImplementingNestedClass() {
100         InspectionCompanion<NonImplementingNestedClassTest> companion =
101                 mProvider.provide(NonImplementingNestedClassTest.class);
102         assertNull(companion);
103     }
104 
105     class NoCompanionTest {
106     }
107 
108     @Test
testNoCompanion()109     public void testNoCompanion() {
110         InspectionCompanion<NoCompanionTest> companion = mProvider.provide(NoCompanionTest.class);
111         assertNull(companion);
112     }
113 }
114