//We are including stdlib.h and stddef.h first because under MSVC

//those headers contains a errno macro definition without the underlying value

//definition.

#include <stdlib.h>

#include <stddef.h>

#include <errno.h>

#include <errno.h> // not typo, check errno def/undef/redef

#ifndef _STLP_WCE

#include "cppunit/cppunit_proxy.h"

//

// TestCase class

//

class ErrnoTest : public CPPUNIT_NS::TestCase

{

  CPPUNIT_TEST_SUITE(ErrnoTest);

  CPPUNIT_TEST(check);

  CPPUNIT_TEST_SUITE_END();

protected:

  void check();

};

CPPUNIT_TEST_SUITE_REGISTRATION(ErrnoTest);

void ErrnoTest::check()

{

  //We are using ERANGE as it is part of the C++ ISO (see Table 26 in section 19.3)

  //Using ERANGE improve the test as it means that the native errno.h file has really

  //been included.

  errno = ERANGE;

  CPPUNIT_ASSERT( errno == ERANGE );

  errno = 0;

/* Note: in common, you can't write ::errno or std::errno,

 * due to errno in most cases is just a macro, that frequently

 * (in MT environment errno is a per-thread value) expand to something like

 * (*__errno_location()). I don't know way how masquerade such

 * things: name of macro can't include ::.

 *

 *                - ptr, 2005-03-30

 */

# if 0

  if ( ::errno != 0 ) {

    return 1;

  }

  if ( std::errno != 0 ) {

    return 1;

  }

# endif

}

#endif // _STLP_WCE