EventIdsTest.java revision 0b6d118e6eeb3bc100fc6a6e66016ab812cb2783 
1/*
2 * Copyright (C) 2015 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
17package android.databinding.multimoduletestapp;
18
19import android.databinding.testlibrary.ObservableInLibrary;
20
21import android.databinding.Observable;
22import android.databinding.Observable.OnPropertyChangedCallback;
23import android.test.AndroidTestCase;
24
25import java.util.HashMap;
26import java.util.Map;
27
28import android.databinding.multimoduletestapp.BR;
29
30public class EventIdsTest extends AndroidTestCase {
31    public void testLibraryObservable() {
32        ObservableInLibrary observableInLibrary = new ObservableInLibrary();
33        EventCounter ec = new EventCounter();
34        observableInLibrary.addOnPropertyChangedCallback(ec);
35        ec.assertProperty(BR.libField1, 0);
36        ec.assertProperty(BR.libField2, 0);
37        ec.assertProperty(BR.sharedField, 0);
38
39        observableInLibrary.setLibField1("a");
40        ec.assertProperty(BR.libField1, 1);
41        ec.assertProperty(BR.libField2, 0);
42        ec.assertProperty(BR.sharedField, 0);
43
44        observableInLibrary.setLibField2("b");
45        ec.assertProperty(BR.libField1, 1);
46        ec.assertProperty(BR.libField2, 1);
47        ec.assertProperty(BR.sharedField, 0);
48
49        observableInLibrary.setSharedField(3);
50        ec.assertProperty(BR.libField1, 1);
51        ec.assertProperty(BR.libField2, 1);
52        ec.assertProperty(BR.sharedField, 1);
53    }
54
55    public void testAppObservable() {
56        ObservableInMainApp observableInMainApp = new ObservableInMainApp();
57        EventCounter ec = new EventCounter();
58        observableInMainApp.addOnPropertyChangedCallback(ec);
59        ec.assertProperty(BR.appField1, 0);
60        ec.assertProperty(BR.appField2, 0);
61        ec.assertProperty(BR.sharedField, 0);
62
63        observableInMainApp.setAppField2(3);
64        ec.assertProperty(BR.appField1, 0);
65        ec.assertProperty(BR.appField2, 1);
66        ec.assertProperty(BR.sharedField, 0);
67
68        observableInMainApp.setAppField1("b");
69        ec.assertProperty(BR.appField1, 1);
70        ec.assertProperty(BR.appField2, 1);
71        ec.assertProperty(BR.sharedField, 0);
72
73        observableInMainApp.setSharedField(5);
74        ec.assertProperty(BR.appField1, 1);
75        ec.assertProperty(BR.appField2, 1);
76        ec.assertProperty(BR.sharedField, 1);
77    }
78
79    public void testExtendingObservable() {
80        ObservableExtendingLib observable = new ObservableExtendingLib();
81        EventCounter ec = new EventCounter();
82        observable.addOnPropertyChangedCallback(ec);
83
84        ec.assertProperty(BR.childClassField, 0);
85        ec.assertProperty(BR.libField1, 0);
86        ec.assertProperty(BR.libField2, 0);
87        ec.assertProperty(BR.sharedField, 0);
88
89        observable.setChildClassField("a");
90        ec.assertProperty(BR.childClassField, 1);
91        ec.assertProperty(BR.libField1, 0);
92        ec.assertProperty(BR.libField2, 0);
93        ec.assertProperty(BR.sharedField, 0);
94
95        observable.setLibField1("b");
96        ec.assertProperty(BR.childClassField, 1);
97        ec.assertProperty(BR.libField1, 1);
98        ec.assertProperty(BR.libField2, 0);
99        ec.assertProperty(BR.sharedField, 0);
100
101        observable.setLibField2("c");
102        ec.assertProperty(BR.childClassField, 1);
103        ec.assertProperty(BR.libField1, 1);
104        ec.assertProperty(BR.libField2, 1);
105        ec.assertProperty(BR.sharedField, 0);
106
107        observable.setSharedField(2);
108        ec.assertProperty(BR.childClassField, 1);
109        ec.assertProperty(BR.libField1, 1);
110        ec.assertProperty(BR.libField2, 1);
111        ec.assertProperty(BR.sharedField, 1);
112    }
113
114    private static class EventCounter extends OnPropertyChangedCallback {
115        Map<Integer, Integer> mCounter = new HashMap<Integer, Integer>();
116
117        @Override
118        public void onPropertyChanged(Observable observable, int propertyId) {
119            mCounter.put(propertyId, get(propertyId) + 1);
120        }
121
122        public int get(int propertyId) {
123            Integer val = mCounter.get(propertyId);
124            return val == null ? 0 : val;
125        }
126
127        private void assertProperty(int propertyId, int value) {
128            assertEquals(get(propertyId), value);
129        }
130    }
131}
132