#include <debug/deque>
#include <testsuite_hooks.h>
using __gnu_debug::deque;
bool test = true;
void test01()
{
deque<int> v1;
deque<int> v2;
deque<int>::iterator i = v1.end();
VERIFY(!i._M_dereferenceable() && !i._M_singular());
v1 = v2;
VERIFY(i._M_singular());
i = v1.end();
v1.assign(v2.begin(), v2.end());
VERIFY(i._M_singular());
i = v1.end();
v1.assign(17, 42);
VERIFY(i._M_singular());
}
void test02()
{
deque<int> v(10, 17);
deque<int>::iterator before = v.begin() + 6;
deque<int>::iterator at = before + 1;
deque<int>::iterator after = at + 1;
v.resize(7);
VERIFY(before._M_dereferenceable());
VERIFY(at._M_singular());
VERIFY(after._M_singular());
before = v.begin() + 6;
v.resize(17);
VERIFY(before._M_singular());
}
void test03()
{
deque<int> v(10, 17);
deque<int>::iterator before = v.begin() + 6;
deque<int>::iterator at = before + 1;
deque<int>::iterator after = at;
at = v.insert(at, 42);
VERIFY(before._M_singular());
VERIFY(at._M_dereferenceable());
VERIFY(after._M_singular());
before = v.begin() + 6;
at = before + 1;
v.insert(at, 3, 42);
VERIFY(before._M_singular());
VERIFY(at._M_singular());
static int data[] = { 2, 3, 5, 7 };
before = v.begin() + 6;
at = before + 1;
v.insert(at, &data[0], &data[0] + 4);
VERIFY(before._M_singular());
VERIFY(at._M_singular());
}
void test04()
{
deque<int> v(20, 42);
deque<int>::iterator before = v.begin();
deque<int>::iterator at = before + 3;
deque<int>::iterator after = at;
at = v.erase(at);
VERIFY(before._M_singular());
VERIFY(at._M_dereferenceable());
VERIFY(after._M_singular());
before = v.begin();
at = before;
after = at + 1;
at = v.erase(at);
VERIFY(before._M_singular());
VERIFY(at._M_dereferenceable());
VERIFY(after._M_dereferenceable());
before = v.begin();
at = before + 3;
v.erase(at, at + 3);
VERIFY(before._M_singular());
VERIFY(at._M_singular());
before = v.begin();
VERIFY(before._M_dereferenceable());
v.clear();
VERIFY(before._M_singular());
}
int main()
{
test01();
test02();
test03();
test04();
return !test;
}