#include <unordered_set>
#include <cassert>
int main()
{
{
typedef std::unordered_set<int> C;
typedef int P;
P a[] =
{
P(10),
P(20),
P(30),
P(40),
P(50),
P(60),
P(70),
P(80)
};
const C c1(std::begin(a), std::end(a));
const C c2;
assert(!(c1 == c2));
assert( (c1 != c2));
}
{
typedef std::unordered_set<int> C;
typedef int P;
P a[] =
{
P(10),
P(20),
P(30),
P(40),
P(50),
P(60),
P(70),
P(80)
};
const C c1(std::begin(a), std::end(a));
const C c2 = c1;
assert( (c1 == c2));
assert(!(c1 != c2));
}
{
typedef std::unordered_set<int> C;
typedef int P;
P a[] =
{
P(10),
P(20),
P(30),
P(40),
P(50),
P(60),
P(70),
P(80)
};
C c1(std::begin(a), std::end(a));
C c2 = c1;
c2.rehash(30);
assert( (c1 == c2));
assert(!(c1 != c2));
c2.insert(P(90));
assert(!(c1 == c2));
assert( (c1 != c2));
c1.insert(P(90));
assert( (c1 == c2));
assert(!(c1 != c2));
}
}