Started with test this time

Author: Ankononenko

For loop/52. Sum of GP series.c

@@ -10,7 +10,7 @@ The numbers for the G.P. series:
 3.000000 6.000000 12.000000 24.000000 48.000000
 The Sum of the G.P. series : 93.000000
 
-1. Write tests (run tests function + body of a test)
++ 1. Write tests (run tests function + body of a test)
 2. Input
 3. Invalid input
 4. Finction to print out and find the sum
@@ -21,6 +21,31 @@ The Sum of the G.P. series : 93.000000
 
 #include <stdio.h>
 
+void test(int first_number, int number_of_terms, int common_ratio, int expected_result, int test_number);
+void run_tests();
+int find_gp_series(int first, int number_of_terms, int common_ratio);
+
 int main() {
+    run_test();
     return 0;
 }
+
+int find_gp_series(int first, int number_of_terms, int common_ratio) {
+    int sum = 0;
+    return sum;
+}
+
+void test(int first_number, int number_of_terms, int common_ratio, int expected_result, int test_number) {
+    int actual_result = find_gp_series(first_number, number_of_terms, common_ratio);
+    if (actual_result == expected_result) {
+        printf("Test #%d: Success\n", test_number);
+    } else {
+        printf("Test #%d: Failed\nFirst_number = %d, number_of_terms = %d, common_ratio = %d, expected_result = %d, actual_result = %d\n",
+        test_number, first_number, number_of_terms, common_ratio, expected_result, actual_result);
+    }
+}
+
+void run_tests() {
+    // Normal value tests
+    test(3, 5, 2, 93, 1);
+}