Gleichschenklige Dreiecke werden erkannt

src/TriangleChecker.java

   public static TriangleType checkTriangle(float a, float b, float c) {
 
     if( (a+b>c) && (c+b>a) && (a+c>b)) {
-      if(a==b && b==c && a==c) return TriangleType.ISOSCELES;
+      if(a==b || b==c|| a==c) {
+        if (a == b && b == c && a == c) return TriangleType.EQUILATERAL;
+        return TriangleType.ISOSCELES;
+      }
       return TriangleType.NORMAL;
     }
 
-
     return TriangleType.NONE;
   }
 

test/TriangleCheckerTest.java

     }
 
     @Test
-    public void testEqualTriangle(){
+    public void testIsoTriangle(){
         // Arrange
         float a = 3;
         float b = 3;
-        float c = 3;
+        float c = 2;
 
         // Act
         TriangleChecker.TriangleType type = TriangleChecker.checkTriangle(a, b, c);
         assertEquals(TriangleChecker.TriangleType.ISOSCELES, type);
     }
 
+    @Test
+    public void testEqualTriangle(){
+        // Arrange
+        float a = 3;
+        float b = 3;
+        float c = 3;
+
+        // Act
+        TriangleChecker.TriangleType type = TriangleChecker.checkTriangle(a, b, c);
 
+        // Assert
+        assertEquals(TriangleChecker.TriangleType.EQUILATERAL, type);
+    }
 
 }