cs Oct 2, 2014

Pointer is taking up 4 bytes ( 4 gigabyte) 2^32 addresses.
char 1 byte
int 4 bytes
double 8 bytes
pass by reference : change and return than more than 1 value.

Lab Portion in the other lab :

credit_Card.h

/*{section{Interface of Credit class}
)*/
class CreditCard
{
   private:
  int balance;
public :
 const unsigned int limit;
  CreditCard(unsigned int);
  void withdraw(unsigned int){};
  void deposit(unsigned int){};
 int withdrawAvail(){};
 int getBalance(){};
private:
 bool check_invariant(){};

};

credit_Card.cpp

/*{section{Interface of Credit class}
)*/
#include "credit_card.h"
CreditCard::CreditCard(unsigned int n)
:limit(n);{
   if (check_invariant() == false) throw "invariant error";
}
  void withdraw(unsigned int){}
  void deposit(unsigned int){}
 int withdrawAvail(){}
 int getBalance(){}
 bool check_invariant(){
    return(limt == 1000 or limit == 2000 or limit == 5000);

}

in lab3.cpp

class CreditCardTest : public TestSuite::Test
{
public:
void run
 {
   // test_(true);  // just to check if the test cases work ok
    //test_(false);
   try{ CreditCard c1(500); } catch (const char *) { succeed_(); } ;
   test_(c1.limit == 1000 or c1.limit == 2000 or c1.limit == 5000);

}

int main()
{
  CreditCardTest t;
  t.run();
 t.report();
}

g++  -o lab3  lab3.cpp test.cpp credit_card.cpp