diff --git a/typeconverter/src/test/java/hello/typeconverter/conveter/ConversionServiceTest.java b/typeconverter/src/test/java/hello/typeconverter/conveter/ConversionServiceTest.java
new file mode 100644
index 00000000..18fd4392
--- /dev/null
+++ b/typeconverter/src/test/java/hello/typeconverter/conveter/ConversionServiceTest.java
@@ -0,0 +1,35 @@
+package hello.typeconverter.conveter;
+
+import hello.typeconverter.converter.IntegerToStringConverter;
+import hello.typeconverter.converter.IpPortToStringConverter;
+import hello.typeconverter.converter.StringToIntegerConverter;
+import hello.typeconverter.converter.StringToIpPortConverter;
+import hello.typeconverter.type.IpPort;
+import org.assertj.core.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.springframework.core.convert.support.DefaultConversionService;
+
+import static org.assertj.core.api.Assertions.*;
+
+public class ConversionServiceTest {
+
+    @Test
+    void conversionService() {
+        // 등록
+        DefaultConversionService conversionService = new DefaultConversionService();
+        conversionService.addConverter(new StringToIntegerConverter());
+        conversionService.addConverter(new IntegerToStringConverter());
+        conversionService.addConverter(new StringToIpPortConverter());
+        conversionService.addConverter(new IpPortToStringConverter());
+
+        // 사용
+        assertThat(conversionService.convert("10", Integer.class)).isEqualTo(10);
+        assertThat(conversionService.convert(10, String.class)).isEqualTo("10");
+
+        IpPort ipPort = conversionService.convert("127.0.0.1:8080", IpPort.class);
+        assertThat(ipPort).isEqualTo(new IpPort("127.0.0.1", 8080));
+
+        String ipPortString = conversionService.convert(new IpPort("127.0.0.1", 8080), String.class);
+        assertThat(ipPortString).isEqualTo("127.0.0.1:8080");
+    }
+}