Version der Triangle Checker Aufgabe

src/TriangleChecker.java

@@ -47,7 +47,15 @@ public class TriangleChecker {
 
   // Analyse der Dreiecksart
   public static TriangleType checkTriangle(float a, float b, float c) {
-    return TriangleType.NONE;
+    if(a==b && a==c){
+      return TriangleType.EQUILATERAL;
+      }
+    if(a<=0 || b<=0 || c<=0){
+      return TriangleType.NONE;
+    }
+    else{
+      return TriangleType.NORMAL;
+    }
   }
 
 

test/TriangleCheckerTest.java

@@ -19,4 +19,65 @@ public class TriangleCheckerTest {
 
     }
 
+    @Test
+    public void testValidEquilateralTriangle() {
+
+        // 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);
+    }
+
+    @Test
+    public void testValidNoTriangle1() {
+
+        // Arrange
+        float a = 0;
+        float b = 1;
+        float c = 0;
+
+        // Act
+        TriangleChecker.TriangleType type = TriangleChecker.checkTriangle(a, b, c);
+
+        // Assert
+        assertEquals(TriangleChecker.TriangleType.NONE, type);
+
+    }
+
+    @Test
+    public void testValidNoTriangle2() {
+
+        // Arrange
+        float a = 2;
+        float b = 1;
+        float c = -2;
+
+        // Act
+        TriangleChecker.TriangleType type = TriangleChecker.checkTriangle(a, b, c);
+
+        // Assert
+        assertEquals(TriangleChecker.TriangleType.NONE, type);
+
+    }
+    @Test
+    public void testValidNoTriangle3() {
+
+        // Arrange
+        float a = 1;
+        float b = 2;
+        float c = 13;
+
+        // Act
+        TriangleChecker.TriangleType type = TriangleChecker.checkTriangle(a, b, c);
+
+        // Assert
+        assertEquals(TriangleChecker.TriangleType.NONE, type);
+
+    }
 }