diff --git a/src/test/java/fr/u_paris/gla/project/utils/GPSTest.java b/src/test/java/fr/u_paris/gla/project/utils/GPSTest.java
new file mode 100644
index 0000000..de63357
--- /dev/null
+++ b/src/test/java/fr/u_paris/gla/project/utils/GPSTest.java
@@ -0,0 +1,39 @@
+package fr.u_paris.gla.project.utils;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class GPSTest {
+
+
+    @Test
+    void distance_SameLat(){
+        assertDoesNotThrow(
+                () -> {
+                    GPS.distance(5, 3, 5, 11);
+                }
+        );
+    }
+
+    @Test
+    void distance_SameLon(){
+        assertDoesNotThrow(
+                () -> {
+                    GPS.distance(5, 3, 7, 3);
+                }
+        );
+    }
+
+    @Test
+    void distance_SamePoint() {
+        assertEquals(0.0, GPS.distance(5, 3, 5, 3) );
+    }
+
+    @Test
+    void distance_NegativePoint(){
+        assertNotEquals(0.0, GPS.distance(-5, 7, -13, 4));
+    }
+
+
+}
\ No newline at end of file