MapChangeRegistryTest.java revision 4d4979490e1fa374c0d7f3599fed0a9e83a579d0 
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 */
16package android.databinding.testapp;
17
18import android.databinding.MapChangeRegistry;
19import android.databinding.ObservableArrayMap;
20import android.databinding.ObservableMap.OnMapChangedCallback;
21import android.databinding.testapp.databinding.BasicBindingBinding;
22
23import android.databinding.ObservableMap;
24
25public class MapChangeRegistryTest extends BaseDataBinderTest<BasicBindingBinding> {
26
27    private int notificationCount = 0;
28
29    public MapChangeRegistryTest() {
30        super(BasicBindingBinding.class);
31    }
32
33    public void testNotifyAllChanged() {
34        MapChangeRegistry mapChangeRegistry = new MapChangeRegistry();
35
36        final ObservableMap<String, Integer> observableObj = new ObservableArrayMap<>();
37
38        final String expectedKey = "key";
39        OnMapChangedCallback listener = new OnMapChangedCallback<ObservableMap<String, Integer>,
40                String, Integer>() {
41            @Override
42            public void onMapChanged(ObservableMap sender, String key) {
43                notificationCount++;
44                assertEquals(observableObj, sender);
45                assertEquals(key, expectedKey);
46            }
47        };
48        mapChangeRegistry.add(listener);
49
50        assertEquals(0, notificationCount);
51        mapChangeRegistry.notifyChange(observableObj, expectedKey);
52        assertEquals(1, notificationCount);
53    }
54}
55