✅ Adding tests.

crossoverJie · crossoverJie · commit 8edb71dd0513 · 2018-02-10T11:02:08.000+08:00
diff --git a/src/test/java/com/crossoverjie/algorithm/MergeTwoSortedListsTest.java b/src/test/java/com/crossoverjie/algorithm/MergeTwoSortedListsTest.java
@@ -0,0 +1,93 @@
+package com.crossoverjie.algorithm;
+
+import com.crossoverjie.algorithm.MergeTwoSortedLists.ListNode;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+public class MergeTwoSortedListsTest {
+    MergeTwoSortedLists mergeTwoSortedLists ;
+    @Before
+    public void setUp() throws Exception {
+        mergeTwoSortedLists = new MergeTwoSortedLists();
+    }
+
+    @Test
+    public void mergeTwoLists() throws Exception {
+        ListNode l1 = new ListNode(1) ;
+        ListNode l1_2 = new ListNode(4);
+        l1.next = l1_2 ;
+        ListNode l1_3 = new ListNode(5) ;
+        l1_2.next = l1_3 ;
+
+        ListNode l2 = new ListNode(1) ;
+        ListNode l2_2 = new ListNode(3) ;
+        l2.next = l2_2 ;
+        ListNode l2_3 = new ListNode(6) ;
+        l2_2.next = l2_3 ;
+        ListNode l2_4 = new ListNode(9) ;
+        l2_3.next = l2_4 ;
+        ListNode listNode = mergeTwoSortedLists.mergeTwoLists(l1, l2);
+
+
+        ListNode node1 = new ListNode(1) ;
+        ListNode node2 = new ListNode(1);
+        node1.next = node2;
+        ListNode node3 = new ListNode(3) ;
+        node2.next= node3 ;
+        ListNode node4 = new ListNode(4) ;
+        node3.next = node4 ;
+        ListNode node5 = new ListNode(5) ;
+        node4.next = node5 ;
+        ListNode node6 = new ListNode(6) ;
+        node5.next = node6 ;
+        ListNode node7 = new ListNode(9) ;
+        node6.next = node7 ;
+        Assert.assertEquals(node1.toString(),listNode.toString());
+
+
+    }
+
+    @Test
+    public void mergeTwoLists2() throws Exception {
+
+        ListNode l2 = new ListNode(1) ;
+        ListNode l2_2 = new ListNode(3) ;
+        l2.next = l2_2 ;
+        ListNode l2_3 = new ListNode(6) ;
+        l2_2.next = l2_3 ;
+        ListNode l2_4 = new ListNode(9) ;
+        l2_3.next = l2_4 ;
+        ListNode listNode = mergeTwoSortedLists.mergeTwoLists(null, l2);
+
+        System.out.println(listNode.toString());
+
+
+    }
+
+    @Test
+    public void mergeTwoLists3() throws Exception {
+
+        ListNode l2 = new ListNode(1) ;
+        ListNode l2_2 = new ListNode(3) ;
+        l2.next = l2_2 ;
+        ListNode l2_3 = new ListNode(6) ;
+        l2_2.next = l2_3 ;
+        ListNode l2_4 = new ListNode(9) ;
+        l2_3.next = l2_4 ;
+        ListNode listNode = mergeTwoSortedLists.mergeTwoLists(l2, null);
+
+
+        ListNode node1 = new ListNode(1) ;
+        ListNode node2 = new ListNode(3);
+        node1.next = node2;
+        ListNode node3 = new ListNode(6) ;
+        node2.next= node3 ;
+        ListNode node4 = new ListNode(9) ;
+        node3.next = node4 ;
+
+        Assert.assertEquals(node1.toString(),listNode.toString());
+
+    }
+
+}
