refactor 144

fishercoder1534 · fishercoder1534 · commit a1067c0b377c · 2020-01-25T13:34:20.000-08:00
diff --git a/src/test/java/com/fishercoder/_144Test.java b/src/test/java/com/fishercoder/_144Test.java
@@ -0,0 +1,40 @@
+package com.fishercoder;
+
+import com.fishercoder.common.classes.TreeNode;
+import com.fishercoder.common.utils.CommonUtils;
+import com.fishercoder.common.utils.TreeUtils;
+import com.fishercoder.solutions._144;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import java.util.Arrays;
+import java.util.List;
+
+public class _144Test {
+    private static _144.Solution1 solution1;
+    private static _144.Solution2 solution2;
+    private static TreeNode root;
+    private static List<Integer> inorder;
+
+    @BeforeClass
+    public static void setup() {
+        solution1 = new _144.Solution1();
+        solution2 = new _144.Solution2();
+    }
+
+    @Test
+    public void test1() {
+        root = TreeUtils.constructBinaryTree(Arrays.asList(3, 1, null, null, 5, 2, null, null, 4));
+        inorder = solution1.preorderTraversal(root);
+        CommonUtils.printList(inorder);
+    }
+
+    @Test
+    public void test2() {
+        root = TreeUtils.constructBinaryTree(Arrays.asList(1, 2, 3, 4, null, 5, 6, null, 7, null, null, null, null, 8, 9));
+        TreeUtils.printBinaryTree(root);
+        inorder = solution1.preorderTraversal(root);
+        CommonUtils.printList(inorder);
+    }
+
+}
