diff --git a/src/main/java/MyStack.java b/src/main/java/MyStack.java
index cfea14e150f996a178939c257c5986e9189c62aa..110662965b569a8eb557c280d90fd08165aece9f 100644
--- a/src/main/java/MyStack.java
+++ b/src/main/java/MyStack.java
@@ -2,4 +2,8 @@ public class MyStack {
     public MyStack() {
         super();
     }
+
+    public int size() {
+        return Integer.MIN_VALUE;
+    }
 }
diff --git a/src/test/java/MyStackTest.java b/src/test/java/MyStackTest.java
index 797ec60f60b408236f392dfa8a65f7ba77575ab7..ff808119e966ceb9b212724061224365a5537efa 100644
--- a/src/test/java/MyStackTest.java
+++ b/src/test/java/MyStackTest.java
@@ -1,5 +1,6 @@
 import org.junit.After;
 import org.junit.Before;
+import org.junit.Test;
 
 import static org.junit.Assert.*;
 
@@ -15,4 +16,9 @@ public class MyStackTest {
     @After
     public void tearDown() {
     }
+
+    @Test
+    public void testEmptyStack() {
+        fail("need to ");
+    }
 }
\ No newline at end of file