add a test for 270

fishercoder1534 · fishercoder1534 · commit dd52268f10af · 2021-11-20T12:59:54.000-08:00
diff --git a/src/test/java/com/fishercoder/_270Test.java b/src/test/java/com/fishercoder/_270Test.java
@@ -0,0 +1,32 @@
+package com.fishercoder;
+
+import com.fishercoder.common.classes.TreeNode;
+import com.fishercoder.common.utils.TreeUtils;
+import com.fishercoder.solutions._270;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import java.util.Arrays;
+
+import static junit.framework.Assert.assertEquals;
+
+public class _270Test {
+    private static _270.Solution1 solution1;
+    private static int expected;
+    private static TreeNode root;
+    private static double target;
+
+    @BeforeClass
+    public static void setup() {
+        solution1 = new _270.Solution1();
+    }
+
+    @Test
+    public void test1() {
+        root = TreeUtils.constructBinaryTree(Arrays.asList(4, 2, 5, 1, 3));
+        expected = 4;
+        target = 3.714286;
+        assertEquals(expected, solution1.closestValue(root, target));
+    }
+
+}
