diff --git a/src/test/kotlin/CalculatorTest.kt b/src/test/kotlin/CalculatorTest.kt
new file mode 100644
index 0000000..a27c673
--- /dev/null
+++ b/src/test/kotlin/CalculatorTest.kt
@@ -0,0 +1,9 @@
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class CalculatorTest {
+    @Test
+    fun testAdd() {
+        assertEquals(3, 1 + 2)
+    }
+}
\ No newline at end of file