diff --git a/src/test/java/fr/nancy/iut/SphereTest.java b/src/test/java/fr/nancy/iut/SphereTest.java
index cd55e7c8d066d6a5e463db204e945ec9506e65de..9030fc888fcca1ba6efe8d289bd02dadfb11e15f 100644
--- a/src/test/java/fr/nancy/iut/SphereTest.java
+++ b/src/test/java/fr/nancy/iut/SphereTest.java
@@ -33,4 +33,11 @@ public class SphereTest {
     assertEquals(3.0, mySphere.distanceSquaredTo(otherSphere), 0.0);
   }
 
+  @Test
+  public void testDistanceTo(){
+    Sphere mySphere = new Sphere(1.5);
+    Sphere otherSphere = new Sphere(1.5, new Point3d(1.0, 1.0, 1.0));
+    assertEquals(1.7320508075688772, mySphere.distanceTo(otherSphere), 0.0);
+  }
+
 }
\ No newline at end of file