// ----------------------------------------------------------------------
//
// testZMutility.cc
//
// Validate selected ZMutility header files.
//
// History:
//   28-Oct-1997  WEB  Initial draft.
//   04-Nov-1997  WEB  Updated to correspond to new file names, etc.
//   11-Dec-1997  WEB  Added testing for correctness of "algorithm"
//   12-Jan-1998  WEB  Added testing for "PI.h"
//   14-Feb-2000  WEB  Remove semicolons after USING
//
// ----------------------------------------------------------------------


// [0]
#include "ZMutility/ZMenvironment.h"

// [1]
#include "ZMutility/iosfwd"
#include "ZMutility/iostream"
USING (std::cout)
USING (std::endl)

// [2]
#include <string>
USING (std::string)

// [3]
#include "ZMutility/iomanip"
USING (std::setw)

// [4]
#include "ZMutility/sstream"
USING (std::ostringstream)

// [5]
#include "ZMutility/algorithm"
USING (std::swap)

// [6]
#include "ZMutility/PI.h"


int main()  {

  // [0]  Precautionary

  // [1]  Validate iosfwd and iostream:
  cout << "iosfwd and iostream appear to work" << endl;

  // [2]  Validate string:
  string s = "string appears to work";
  cout << s << endl;

  // [3]  Validate iomanip:
  cout << setw(3) << 9
       << "  iomanip appears to work if the '9' has 2 spaces before it" << endl;

  // [4]  Validate ostream:
  ostringstream * o = new ostringstream;
  (*o) << "ostringstream appears to work";
  cout << o->str() << endl;
  delete o;

  // [5]  Validate algorithm:
  int a = 1, b = 2;
  swap( a, b );
  cout << "algorithm appears to work if " << a << " > " << b << endl;

  // [6]  Validate PI:
  cout << "PI.h appears to work if " << ZMpi << " approximates PI" << endl;

  // [7]  Go home:
  return 0;

}  // main()