typedef int V;
typedef M::iterator I;
V ar[] =
{
1,
2,
3,
4,
5,
6,
7,
8
};
M m(ar, ar + sizeof(ar)/sizeof(ar[0]));
REQUIRE(m.size() == 8);
I i = m.erase(next(m.cbegin(), 5), next(m.cbegin(), 5));
REQUIRE(m.size() == 8);
REQUIRE(i == next(m.begin(), 5));
REQUIRE(*next(m.begin(), 0) == 1);
REQUIRE(*next(m.begin(), 1) == 2);
REQUIRE(*next(m.begin(), 2) == 3);
REQUIRE(*next(m.begin(), 3) == 4);
REQUIRE(*next(m.begin(), 4) == 5);
REQUIRE(*next(m.begin(), 5) == 6);
REQUIRE(*next(m.begin(), 6) == 7);
REQUIRE(*next(m.begin(), 7) == 8);
i = m.erase(next(m.cbegin(), 3), next(m.cbegin(), 4));
REQUIRE(m.size() == 7);
REQUIRE(i == next(m.begin(), 3));
REQUIRE(*next(m.begin(), 0) == 1);
typedef std::pair<int, double> P;
typedef M::iterator I;
P ar[] =
{
P(1, 1.5),
P(2, 2.5),
P(3, 3.5),
P(4, 4.5),
P(5, 5.5),
P(6, 6.5),
P(7, 7.5),
P(8, 8.5),
};
M m(ar, ar + sizeof(ar)/sizeof(ar[0]));
REQUIRE(m.size() == 8);
I i = m.erase(next(m.cbegin(), 3));
REQUIRE(m.size() == 7);
REQUIRE(i == next(m.begin(), 3));
REQUIRE(m.begin()->first == 1);
REQUIRE(m.begin()->second == 1.5);
REQUIRE(next(m.begin())->first == 2);
REQUIRE(next(m.begin())->second == 2.5);
REQUIRE(next(m.begin(), 2)->first == 3);
REQUIRE(next(m.begin(), 2)->second == 3.5);
REQUIRE(next(m.begin(), 3)->first == 5);
REQUIRE(next(m.begin(), 3)->second == 5.5);
REQUIRE(next(m.begin(), 4)->first == 6);
REQUIRE(next(m.begin(), 4)->second == 6.5);
REQUIRE(next(m.begin(), 5)->first == 7);
REQUIRE(next(m.begin(), 5)->second == 7.5);
REQUIRE(next(m.begin(), 6)->first == 8);