#include <ostream>
#include <istream>
#include <fstream>
#include <testsuite_hooks.h>
const char* s = " lootpack, peanut butter wolf, rob swift, madlib, quasimoto";
const int times = 10;
void write_rewind(std::iostream& stream)
{
bool test __attribute__((unused)) = true;
for (int j = 0; j < times; j++)
{
std::streampos begin = stream.tellp();
for (int i = 0; i < times; ++i)
stream << j << '-' << i << s << '\n';
stream.seekp(begin);
}
VERIFY( stream.good() );
}
void check_contents(std::iostream& stream)
{
bool test __attribute__((unused)) = true;
stream.clear();
stream.seekg(0, std::ios::beg);
int i = 0;
int loop = times * times + 2;
while (i < loop)
{
stream.ignore(80, '\n');
if (stream.good())
++i;
else
break;
}
VERIFY( i == times );
}
void test02()
{
std::fstream ofstrm;
ofstrm.open("istream_seeks-3.txt", std::ios::out);
if (!ofstrm)
std::abort();
write_rewind(ofstrm);
ofstrm.close();
std::fstream ifstrm;
ifstrm.open("istream_seeks-3.txt", std::ios::in);
check_contents(ifstrm);
ifstrm.close();
}
int main()
{
test02();
return 0;
}