equal_range_non_const.pass.cpp [plain text]
#include <unordered_set>
#include <cassert>
int main()
{
{
typedef std::unordered_multiset<int> C;
typedef C::iterator I;
typedef int P;
P a[] =
{
P(10),
P(20),
P(30),
P(40),
P(50),
P(50),
P(50),
P(60),
P(70),
P(80)
};
C c(std::begin(a), std::end(a));
std::pair<I, I> r = c.equal_range(30);
assert(std::distance(r.first, r.second) == 1);
assert(*r.first == 30);
r = c.equal_range(5);
assert(std::distance(r.first, r.second) == 0);
r = c.equal_range(50);
assert(std::distance(r.first, r.second) == 3);
assert(*r.first == 50);
++r.first;
assert(*r.first == 50);
++r.first;
assert(*r.first == 50);
}
}