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| 1 | +package com.ikook.basic_data_structure; |
| 2 | + |
| 3 | +import static org.junit.Assert.*; |
| 4 | + |
| 5 | +import java.util.Date; |
| 6 | + |
| 7 | +import org.junit.Before; |
| 8 | +import org.junit.Test; |
| 9 | + |
| 10 | +/** |
| 11 | + * 此单元测试只测试了正常情况，一些异常情况没有测试。 |
| 12 | + * @author ikook |
| 13 | + */ |
| 14 | +public class MyLinkedListTest { |
| 15 | + |
| 16 | + private MyLinkedList list; |
| 17 | + |
| 18 | + @Before |
| 19 | + public void setUp() { |
| 20 | + list = new MyLinkedList(); |
| 21 | + list.add("111"); |
| 22 | + list.add(222); |
| 23 | + list.add("333"); |
| 24 | + } |
| 25 | + |
| 26 | + @Test |
| 27 | + public void testAddFirst() { |
| 28 | + list.addFirst(444); |
| 29 | + assertEquals(4, list.size()); |
| 30 | + assertEquals(444, list.get(0)); |
| 31 | + assertEquals(444, list.getFirst()); |
| 32 | + |
| 33 | + } |
| 34 | + |
| 35 | + @Test |
| 36 | + public void testAddLast() { |
| 37 | + list.addLast("444"); |
| 38 | + assertEquals(4, list.size()); |
| 39 | + assertEquals("444", list.getLast()); |
| 40 | + assertEquals("444", list.get(3)); |
| 41 | + } |
| 42 | + |
| 43 | + @Test |
| 44 | + public void testAddObject() { |
| 45 | + list.add(new Date()); |
| 46 | + assertEquals(new Date(), list.get(3)); |
| 47 | + } |
| 48 | + |
| 49 | + @Test |
| 50 | + public void testAddIntObject() { |
| 51 | + list.add(1, "222"); |
| 52 | + assertEquals("222", list.get(1)); |
| 53 | + assertEquals(4, list.size()); |
| 54 | + } |
| 55 | + |
| 56 | + @Test |
| 57 | + public void testSize() { |
| 58 | + assertEquals(3, list.size()); |
| 59 | + } |
| 60 | + |
| 61 | + @Test |
| 62 | + public void testIsEmpty() { |
| 63 | + assertEquals(false, list.isEmpty()); |
| 64 | + |
| 65 | + MyLinkedList list = new MyLinkedList(); |
| 66 | + assertEquals(true, list.isEmpty()); |
| 67 | + } |
| 68 | + |
| 69 | + @Test |
| 70 | + public void testGetFirst() { |
| 71 | + assertEquals("111", list.getFirst()); |
| 72 | + } |
| 73 | + |
| 74 | + @Test |
| 75 | + public void testGetLast() { |
| 76 | + assertEquals("333", list.getLast()); |
| 77 | + } |
| 78 | + |
| 79 | + @Test |
| 80 | + public void testGet() { |
| 81 | + assertEquals(222, list.get(1)); |
| 82 | + } |
| 83 | + |
| 84 | + @Test |
| 85 | + public void testSet() { |
| 86 | + assertEquals(222, list.set(1, new Date())); |
| 87 | + assertEquals(new Date(), list.get(1)); |
| 88 | + } |
| 89 | + |
| 90 | + @Test |
| 91 | + public void testRemoveFirst() { |
| 92 | + assertEquals("111", list.removeFirst()); |
| 93 | + assertEquals(222, list.getFirst()); |
| 94 | + } |
| 95 | + |
| 96 | + @Test |
| 97 | + public void testRemoveLast() { |
| 98 | + assertEquals("333", list.removeLast()); |
| 99 | + assertEquals(222, list.getLast()); |
| 100 | + } |
| 101 | + |
| 102 | + @Test |
| 103 | + public void testRemoveObject() { |
| 104 | + assertEquals(true, list.remove((Integer) 222)); |
| 105 | + assertEquals("333", list.get(1)); |
| 106 | + } |
| 107 | + |
| 108 | + @Test |
| 109 | + public void testRemoveInt() { |
| 110 | + assertEquals(222, list.remove(1)); |
| 111 | + assertEquals("333", list.get(1)); |
| 112 | + |
| 113 | + } |
| 114 | + |
| 115 | +} |
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