1 /*
2  * Copyright 2017 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 androidx.lifecycle;
18 
19 import androidx.fragment.app.Fragment;
20 import androidx.fragment.app.FragmentActivity;
21 
22 import org.junit.Test;
23 import org.junit.runner.RunWith;
24 import org.junit.runners.JUnit4;
25 
26 @RunWith(JUnit4.class)
27 public class ViewModelProvidersTest {
28 
29     @Test(expected = IllegalStateException.class)
testNotAttachedActivity()30     public void testNotAttachedActivity() {
31         // This is similar to call ViewModelProviders.of in Activity's constructor
32         ViewModelProviders.of(new FragmentActivity());
33     }
34 
35     @Test(expected = IllegalStateException.class)
testNotAttachedFragment()36     public void testNotAttachedFragment() {
37         // This is similar to call ViewModelProviders.of in Activity's constructor
38         ViewModelProviders.of(new Fragment());
39     }
40 }
41