#include <unordered_map>
#include <string>
#include <cassert>
int main()
{
{
typedef std::unordered_map<int, std::string> C;
typedef std::pair<int, std::string> P;
P a[] =
{
P(10, "ten"),
P(20, "twenty"),
P(30, "thirty"),
P(40, "fourty"),
P(50, "fifty"),
P(60, "sixty"),
P(70, "seventy"),
P(80, "eighty"),
};
const C c1(std::begin(a), std::end(a));
const C c2;
assert(!(c1 == c2));
assert( (c1 != c2));
}
{
typedef std::unordered_map<int, std::string> C;
typedef std::pair<int, std::string> P;
P a[] =
{
P(10, "ten"),
P(20, "twenty"),
P(30, "thirty"),
P(40, "fourty"),
P(50, "fifty"),
P(60, "sixty"),
P(70, "seventy"),
P(80, "eighty"),
};
const C c1(std::begin(a), std::end(a));
const C c2 = c1;
assert( (c1 == c2));
assert(!(c1 != c2));
}
{
typedef std::unordered_map<int, std::string> C;
typedef std::pair<int, std::string> P;
P a[] =
{
P(10, "ten"),
P(20, "twenty"),
P(30, "thirty"),
P(40, "fourty"),
P(50, "fifty"),
P(60, "sixty"),
P(70, "seventy"),
P(80, "eighty"),
};
C c1(std::begin(a), std::end(a));
C c2 = c1;
c2.rehash(30);
assert( (c1 == c2));
assert(!(c1 != c2));
c2.insert(P(90, "ninety"));
assert(!(c1 == c2));
assert( (c1 != c2));
c1.insert(P(90, "ninety"));
assert( (c1 == c2));
assert(!(c1 != c2));
}
}