Refactoring: Add more data and organise code

tests/test_withdrawMoney.c

@@ -12,20 +12,30 @@ void tearDown(void)
 }
 
 void test_initiateWithdraw(void) {
-    float amountToWithdraw[] = {200.5, 340, 244.5, 340};
-    float availableAccountBalance[] = {2000, 3400, 2445, 3400};
-    float expectedValue[4];
-    float result[4];
 
-    for (int i = 0; i < 4; i++) {
-        expectedValue[i] = ( availableAccountBalance[i] - amountToWithdraw[i] );
-    }
+    /* Arrange */
+
+    int length                      = 10;
+
+    float amountToWithdraw[]        = {200.5, 340, 244.5, 340, 1200, 3232, 1123, 460.5, 900, 1005};
+    float availableAccountBalance[] = {2000, 3400, 2445, 3400, 6000, 5000, 1000, 2000, 2000, 9000};
+
+    float expectedValue[length];
+    float result[length];
 
-    for (int i = 0; i < 4; i++) {
+    /* Act */
+
+    for (int i = 0; i < length; i++) {
         result[i] = initiateWithdraw( amountToWithdraw[i], availableAccountBalance[i] );
     }
 
-    for (int i = 0; i < 4; i++) {
+    /* Assert */
+
+    for (int i = 0; i < length; i++) {
+        expectedValue[i] = ( availableAccountBalance[i] - amountToWithdraw[i] );
+    }
+
+    for (int i = 0; i < length; i++) {
         TEST_ASSERT_EQUAL_FLOAT(expectedValue[i],result[i]);
     }