refactoring: modification of unit tests for function generateID(), add array for values and for-loop to check assertions

src/CreateCustomer.c

@@ -1,15 +1,18 @@
 #include "CreateCustomer.h"
+/*Code written by Julius Philipp Engel, fdai7057*/
+
+/*
+int main()
+{
+	collectCustomerProperties();
+}*/
 
 int generateID()
 {
-	srand(time(0));
-	const int MIN = 1000000, MAX = 10000000;
-	int p_val = rand() % (MAX);
-	if(p_val<MIN)
-	{
-	       	p_val += MIN;
-	}
-	return p_val;
+	srand(clock());
+	const int MIN = 1000000, MAX = 9000001;
+	int pseudoRandomIDForCustomer = (rand() % MAX) + MIN;
+	return pseudoRandomIDForCustomer;
 }
 
 void collectCustomerProperties()

tests/test_main.c → tests/test_CreateCustomer.c

@@ -1,10 +1,12 @@
-#include "unity.h"
+#include <unity.h>
 #include <limits.h>
 #include "CreateCustomer.h"
 
+void setUp(){}
+void tearDown(){}
+
 void test_generateID(){
 	
-	srand(time(0));
 	const int test_values = USHRT_MAX;
 	
 	/*initialize blocks by calling generateID()*/
@@ -15,6 +17,7 @@ void test_generateID(){
 		 printf("%d\n", *(numbers+i));
 	}
 
+	/*assertions, range checking*/
 	int delta = 5000000, expected = 5000000;
 	for(int i=0;i<test_values;++i) 
 	{