#include <fstream>
#include <testsuite_hooks.h>
const char name_01[] = "filebuf_virtuals-1.txt"; const char name_02[] = "filebuf_virtuals-2.txt";
bool overflow_called;
bool underflow_called;
bool uflow_called;
class Close_filebuf : public std::filebuf
{
public:
int_type overflow(int_type c)
{
overflow_called = true;
return std::filebuf::overflow(c);
}
int_type underflow()
{
underflow_called = true;
return std::filebuf::underflow();
}
int_type uflow()
{
uflow_called = true;
return std::filebuf::uflow();
}
};
void test_05()
{
bool test __attribute__((unused)) = true;
Close_filebuf fb_01, fb_02;
char buffer[] = "xxxxxxxxxx";
fb_01.open(name_01, std::ios_base::in);
fb_01.sgetc();
fb_01.close();
underflow_called = false;
fb_01.sgetc();
VERIFY( underflow_called == true );
uflow_called = false;
fb_01.sbumpc();
VERIFY( uflow_called == true );
uflow_called = false;
fb_01.snextc();
VERIFY( uflow_called == true );
uflow_called = false;
fb_01.sgetn(buffer, sizeof(buffer));
VERIFY( uflow_called == true );
fb_02.open(name_02, std::ios_base::out);
fb_02.close();
overflow_called = false;
fb_02.sputc('T');
VERIFY( overflow_called == true );
overflow_called = false;
fb_02.sputn(buffer, sizeof(buffer));
VERIFY( overflow_called == true );
}
int
main()
{
test_05();
return 0;
}