diff --git a/example/simple.go b/example/simple.go
deleted file mode 100644
index 00f2bba..0000000
--- a/example/simple.go
+++ /dev/null
@@ -1,17 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"github.com/phamhongviet/godsv"
-)
-
-func main() {
-	row := godsv.Row{
-		"this",
-		"is",
-		"a:simple",
-		"test",
-		"te\\st",
-	}
-	fmt.Println(godsv.Marshal(row))
-}
diff --git a/example/simple_test.go b/example/simple_test.go
new file mode 100644
index 0000000..0bfd15d
--- /dev/null
+++ b/example/simple_test.go
@@ -0,0 +1,26 @@
+package example
+
+import (
+	"fmt"
+
+	"github.com/phamhongviet/godsv"
+)
+
+func ExampleMarshal() {
+	row := godsv.Row{
+		"this",
+		"is",
+		"a:simple",
+		"test",
+		"te\\st",
+	}
+	fmt.Println(godsv.Marshal(row))
+	// Output:
+	// this:is:a\:simple:test:te\\st
+}
+
+func ExampleUnmarshal() {
+	fmt.Println(godsv.Unmarshal("this:is:a\\:simple:test:te\\\\st"))
+	// Output:
+	// [this is a:simple test te\st]
+}