refactoring: summarized tests

test/ggT/test_ggT.c

@@ -5,66 +5,21 @@ void setUp(){}
 void tearDown(){}
 
 void test_ggTOf5And10(){
-    //arrange
-    int a = 5;
-    int b = 10;
-    int expected = 5;
-
-    //act
-    int result = ggT(a,b);
-
-    //assert
-    TEST_ASSERT_EQUAL_INT(expected, result);
+    TEST_ASSERT_EQUAL_INT(5, ggT(5, 10));
 }
 
 void test_ggTOfFirstNumberZero(){
-    //arrange
-    int a = 0;
-    int b = 5;
-    int expected = 5;
-
-    //act
-    int result = ggT(a,b);
-
-    //assert
-    TEST_ASSERT_EQUAL_INT(expected, result);
+    TEST_ASSERT_EQUAL_INT(5, ggT(0, 5));
 }
 
 void test_ggTOfSecondNumberZero(){
-    //arrange
-    int a = 10;
-    int b = 0;
-    int expected = 10;
-
-    //act
-    int result = ggT(a,b);
-
-    //assert
-    TEST_ASSERT_EQUAL_INT(expected, result);
+    TEST_ASSERT_EQUAL_INT(10, ggT(10, 0));
 }
 
 void test_ggTOfBothNumbersZero(){
-    //arrange
-    int a = 0;
-    int b = 0;
-    int expected = 0;
-
-    //act
-    int result = ggT(a,b);
-
-    //assert
-    TEST_ASSERT_EQUAL_INT(expected,result);
+    TEST_ASSERT_EQUAL_INT(0, ggT(0, 0));
 }
 
 void test_ggTOfCoprimes(){
-    //arrange
-    int a = 13;
-    int b = 27;
-    int expected = 1;
-
-    //act
-    int result = ggT(a,b);
-
-    //assert
-    TEST_ASSERT_EQUAL_INT(expected,result);
+    TEST_ASSERT_EQUAL_INT(1, ggT(13, 27));
 }