migrate _222 test to Junit5

fishercoder1534 · fishercoder1534 · commit 9177d162cfb8 · 2024-01-26T16:58:58.000-08:00
diff --git a/src/test/java/com/fishercoder/_222Test.java b/src/test/java/com/fishercoder/_222Test.java
@@ -5,21 +5,21 @@
 import com.fishercoder.common.utils.TreeUtils;
 import com.fishercoder.solutions._2007;
 import com.fishercoder.solutions._222;
-import org.junit.BeforeClass;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 
 import java.util.Arrays;
 
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 public class _222Test {
     private static _222.Solution1 solution1;
     private static _222.Solution2 solution2;
     private static int expected;
     private static TreeNode root;
 
-    @BeforeClass
-    public static void setup() {
+    @BeforeEach
+    public void setup() {
         solution1 = new _222.Solution1();
         solution2 = new _222.Solution2();
     }
@@ -42,4 +42,13 @@ public void test2() {
         assertEquals(expected, solution2.countNodes(root));
     }
 
+    @Test
+    public void test3() {
+        root = TreeUtils.constructBinaryTree(Arrays.asList());
+        TreeUtils.printBinaryTree(root);
+        expected = 3;
+        assertEquals(expected, solution1.countNodes(root));
+        assertEquals(expected, solution2.countNodes(root));
+    }
+
 }
