#include <algorithm>
#include <testsuite_hooks.h>
#include <testsuite_iterators.h>
using __gnu_test::test_container;
using __gnu_test::random_access_iterator_wrapper;
using std::nth_element;
typedef test_container<int, random_access_iterator_wrapper> Container;
void
test1()
{
int array[]={0};
Container con(array, array);
partial_sort(con.begin(), con.begin(), con.end());
}
void
test2()
{
int array[]={2,1,0};
Container con(array, array + 2);
partial_sort(con.begin(), con.begin(), con.end());
partial_sort(con.begin(), con.end(), con.end());
}
void
test3()
{
int array[] = {6, 5, 4, 3, 2, 1, 0};
Container con(array, array + 7);
nth_element(con.begin(), con.it(3), con.end());
for(int i = 0; i < 3; ++i)
VERIFY(array[i] < array[3]);
for(int i = 4; i < 7; ++i)
VERIFY(array[3] < array[i]);
}
void
test4()
{
int array[] = {0, 6, 1, 5, 2, 4, 3};
Container con(array,array + 7);
nth_element(con.begin(), con.it(3), con.end());
for(int i = 0; i < 3; ++i)
VERIFY(array[i] < array[3]);
for(int i = 4; i < 7; ++i)
VERIFY(array[3] < array[i]);
}
int
main()
{
test1();
test2();
test3();
test4();
}