xref: /aosp_15_r20/external/dagger2/javatests/dagger/internal/InstanceFactoryTest.java (revision f585d8a307d0621d6060bd7e80091fdcbf94fe27)
1 /*
2  * Copyright (C) 2014 The Dagger Authors.
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 dagger.internal;
18 
19 import static com.google.common.truth.Truth.assertThat;
20 import static org.junit.Assert.fail;
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 final class InstanceFactoryTest {
instanceFactory()28   @Test public void instanceFactory() {
29     Object instance = new Object();
30     Factory<Object> factory = InstanceFactory.create(instance);
31     assertThat(factory.get()).isEqualTo(instance);
32     assertThat(factory.get()).isEqualTo(instance);
33     assertThat(factory.get()).isEqualTo(instance);
34   }
35 
create_throwsNullPointerException()36   @Test public void create_throwsNullPointerException() {
37     try {
38       InstanceFactory.create(null);
39       fail();
40     } catch (NullPointerException expected) {
41     }
42   }
43 }
44