diff --git a/src/test/java/fr/nancy/iut/SphereTest.java b/src/test/java/fr/nancy/iut/SphereTest.java
index 9030fc888fcca1ba6efe8d289bd02dadfb11e15f..7c130e682cf797294f6d33d47b9c45c6124f0f02 100644
--- a/src/test/java/fr/nancy/iut/SphereTest.java
+++ b/src/test/java/fr/nancy/iut/SphereTest.java
@@ -40,4 +40,11 @@ public class SphereTest {
     assertEquals(1.7320508075688772, mySphere.distanceTo(otherSphere), 0.0);
   }
 
+  @Test
+  public void testInContactWith(){
+    Sphere mySphere = new Sphere(1.5);
+    Sphere otherSphere = new Sphere(1.5, new Point3d(1.0, 1.0, 1.0));
+    assertTrue(mySphere.inContactWith(otherSphere));
+  }
+
 }
\ No newline at end of file