1 /*
2  * Copyright (C) 2017 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 org.junit.Assert.fail;
20 
21 import java.util.Arrays;
22 import org.junit.Before;
23 import org.junit.Test;
24 import org.junit.runner.RunWith;
25 import org.junit.runners.JUnit4;
26 
27 @RunWith(JUnit4.class)
28 public class SetBuilderTest {
29   private SetBuilder<String> setBuilder;
30 
31   @Before
setUp()32   public void setUp() {
33     setBuilder = SetBuilder.newSetBuilder(1);
34   }
35 
36   @Test
addNull()37   public void addNull() {
38     try {
39       setBuilder.add(null);
40       fail();
41     } catch (NullPointerException expected) {
42     }
43   }
44 
45   @Test
addNullCollection()46   public void addNullCollection() {
47     try {
48       setBuilder.addAll(null);
49       fail();
50     } catch (NullPointerException expected) {
51     }
52   }
53 
54   @Test
addNullElement()55   public void addNullElement() {
56     try {
57       setBuilder.addAll(Arrays.asList("hello", null, "world"));
58       fail();
59     } catch (NullPointerException expected) {
60     }
61   }
62 }
63