diff --git a/double-dispatch/src/test/java/com/iluwatar/RectangleTest.java b/double-dispatch/src/test/java/com/iluwatar/RectangleTest.java
new file mode 100644
index 000000000..88d940220
--- /dev/null
+++ b/double-dispatch/src/test/java/com/iluwatar/RectangleTest.java
@@ -0,0 +1,15 @@
+package com.iluwatar;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class RectangleTest {
+
+	@Test
+	public void test() {
+		Assert.assertTrue(new Rectangle(0,0,1,1).intersectsWith(new Rectangle(0,0,1,1)));
+		Assert.assertTrue(new Rectangle(0,0,1,1).intersectsWith(new Rectangle(-1,-5,7,8)));
+		Assert.assertFalse(new Rectangle(0,0,1,1).intersectsWith(new Rectangle(2,2,3,3)));
+		Assert.assertFalse(new Rectangle(0,0,1,1).intersectsWith(new Rectangle(-2,-2,-1,-1)));
+	}
+}