added EquivalenceClassTest

src/test/java/de/hsel/sqs/EquivalenceClassTest.java

@@ -0,0 +1,37 @@
+package de.hsel.sqs;
+
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+/**
+ * @author Julian Hinxlage
+ * @version 0.1
+ * @since 0.1
+ **/
+public class EquivalenceClassTest {
+
+    @Test
+    public void noTriangle() {
+        TriangleChecker tc = new TriangleChecker();
+        assertEquals(TriangleType.NO_TRIANGLE, TriangleChecker.checkTriangle(-1, 1, 2));
+    }
+
+    @Test
+    public void equilateralTriangle() {
+        TriangleChecker tc = new TriangleChecker();
+        assertEquals(TriangleType.EQUILATERAL_TRIANGLE, TriangleChecker.checkTriangle(2, 2, 2));
+    }
+
+    @Test
+    public void isocelessTriangle() {
+        TriangleChecker tc = new TriangleChecker();
+        assertEquals(TriangleType.ISOSCELESS_TRIANGLE, TriangleChecker.checkTriangle(2, 2, 3));
+    }
+
+    @Test
+    public void scaleneTriangle() {
+        TriangleChecker tc = new TriangleChecker();
+        assertEquals(TriangleType.SCALENE_TRIANGLE, TriangleChecker.checkTriangle(2, 3, 4));
+    }
+
+}