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