FragmentTest.java revision ff22d81f6561f6cdd2a91eb63238c41079927a22 
1/*
2 * Copyright (C) 2016 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.support.v4.app;
17
18import android.os.Bundle;
19import android.support.fragment.test.R;
20import android.support.v4.app.test.FragmentTestActivity;
21import android.test.ActivityInstrumentationTestCase2;
22import android.test.UiThreadTest;
23import android.test.suitebuilder.annotation.MediumTest;
24import android.test.suitebuilder.annotation.SmallTest;
25import android.view.LayoutInflater;
26import android.view.View;
27import android.view.ViewGroup;
28
29import java.util.concurrent.atomic.AtomicInteger;
30
31/**
32 * Miscellaneous tests for fragments that aren't big enough to belong to their own classes.
33 */
34public class FragmentTest extends
35        ActivityInstrumentationTestCase2<FragmentTestActivity> {
36    private FragmentTestActivity mActivity;
37
38    public FragmentTest() {
39        super(FragmentTestActivity.class);
40    }
41
42    @Override
43    protected void setUp() throws Exception {
44        super.setUp();
45        mActivity = getActivity();
46    }
47
48    @SmallTest
49    @UiThreadTest
50    public void testOnCreateOrder() throws Throwable {
51        OrderFragment fragment1 = new OrderFragment();
52        OrderFragment fragment2 = new OrderFragment();
53        mActivity.getSupportFragmentManager()
54                .beginTransaction()
55                .add(R.id.content, fragment1)
56                .add(R.id.content, fragment2)
57                .commitNow();
58        assertEquals(0, fragment1.createOrder);
59        assertEquals(1, fragment2.createOrder);
60    }
61
62    @SmallTest
63    public void testChildFragmentManagerGone() throws Throwable {
64        final FragmentA fragmentA = new FragmentA();
65        final FragmentB fragmentB = new FragmentB();
66        runTestOnUiThread(new Runnable() {
67            @Override
68            public void run() {
69                mActivity.getSupportFragmentManager().beginTransaction()
70                        .add(R.id.content, fragmentA)
71                        .commitNow();
72            }
73        });
74        getInstrumentation().waitForIdleSync();
75        runTestOnUiThread(new Runnable() {
76            @Override
77            public void run() {
78                mActivity.getSupportFragmentManager().beginTransaction()
79                        .setCustomAnimations(R.anim.long_fade_in, R.anim.long_fade_out,
80                                R.anim.long_fade_in, R.anim.long_fade_out)
81                        .replace(R.id.content, fragmentB)
82                        .addToBackStack(null)
83                        .commit();
84            }
85        });
86        // Wait for the middle of the animation
87        Thread.sleep(150);
88        runTestOnUiThread(new Runnable() {
89            @Override
90            public void run() {
91                mActivity.getSupportFragmentManager().beginTransaction()
92                        .setCustomAnimations(R.anim.long_fade_in, R.anim.long_fade_out,
93                                R.anim.long_fade_in, R.anim.long_fade_out)
94                        .replace(R.id.content, fragmentA)
95                        .addToBackStack(null)
96                        .commit();
97            }
98        });
99        // Wait for the middle of the animation
100        Thread.sleep(150);
101        getInstrumentation().waitForIdleSync();
102        runTestOnUiThread(new Runnable() {
103            @Override
104            public void run() {
105                mActivity.getSupportFragmentManager().popBackStack();
106            }
107        });
108        // Wait for the middle of the animation
109        Thread.sleep(150);
110        getInstrumentation().waitForIdleSync();
111        runTestOnUiThread(new Runnable() {
112            @Override
113            public void run() {
114                mActivity.getSupportFragmentManager().popBackStack();
115            }
116        });
117    }
118
119    @MediumTest
120    @UiThreadTest
121    public void testViewOrder() throws Throwable {
122        FragmentA fragmentA = new FragmentA();
123        FragmentB fragmentB = new FragmentB();
124        FragmentC fragmentC = new FragmentC();
125        mActivity.getSupportFragmentManager()
126                .beginTransaction()
127                .add(R.id.content, fragmentA)
128                .add(R.id.content, fragmentB)
129                .add(R.id.content, fragmentC)
130                .commitNow();
131        ViewGroup content = (ViewGroup) mActivity.findViewById(R.id.content);
132        assertEquals(3, content.getChildCount());
133        assertNotNull(content.getChildAt(0).findViewById(R.id.textA));
134        assertNotNull(content.getChildAt(1).findViewById(R.id.textB));
135        assertNotNull(content.getChildAt(2).findViewById(R.id.textC));
136    }
137
138    public static class OrderFragment extends Fragment {
139        private static AtomicInteger sOrder = new AtomicInteger();
140        public int createOrder = -1;
141
142        public OrderFragment() {}
143
144        @Override
145        public void onCreate(Bundle savedInstanceState) {
146            createOrder = sOrder.getAndIncrement();
147            super.onCreate(savedInstanceState);
148        }
149    }
150
151    public static class FragmentA extends Fragment {
152        @Override
153        public View onCreateView(LayoutInflater inflater, ViewGroup container,
154                Bundle savedInstanceState) {
155            return inflater.inflate(R.layout.fragment_a, container, false);
156        }
157    }
158
159    public static class FragmentB extends Fragment {
160        @Override
161        public View onCreateView(LayoutInflater inflater, ViewGroup container,
162                Bundle savedInstanceState) {
163            return inflater.inflate(R.layout.fragment_b, container, false);
164        }
165    }
166
167    public static class FragmentC extends Fragment {
168        @Override
169        public View onCreateView(LayoutInflater inflater, ViewGroup container,
170                Bundle savedInstanceState) {
171            return inflater.inflate(R.layout.fragment_c, container, false);
172        }
173    }
174}
175