cxx/test/containers/associative/set/set.cons/copy_assign.pass.cpp

//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <set>

// class set

// set& operator=(const set& s);

#include <set>
#include <cassert>

#include "../../../test_compare.h"
#include "../../../test_allocator.h"

int main()
{
    {
        typedef int V;
        V ar[] =
        {
            1,
            1,
            1,
            2,
            2,
            2,
            3,
            3,
            3
        };
        typedef test_compare<std::less<int> > C;
        typedef test_allocator<V> A;
        std::set<int, C, A> mo(ar, ar+sizeof(ar)/sizeof(ar[0]), C(5), A(2));
        std::set<int, C, A> m(ar, ar+sizeof(ar)/sizeof(ar[0])/2, C(3), A(7));
        m = mo;
        assert(m.get_allocator() == A(7));
        assert(m.key_comp() == C(5));
        assert(m.size() == 3);
        assert(distance(m.begin(), m.end()) == 3);
        assert(*m.begin() == 1);
        assert(*next(m.begin()) == 2);
        assert(*next(m.begin(), 2) == 3);
    
        assert(mo.get_allocator() == A(2));
        assert(mo.key_comp() == C(5));
        assert(mo.size() == 3);
        assert(distance(mo.begin(), mo.end()) == 3);
        assert(*mo.begin() == 1);
        assert(*next(mo.begin()) == 2);
        assert(*next(mo.begin(), 2) == 3);
    }
    {
        typedef int V;
        V ar[] =
        {
            1,
            1,
            1,
            2,
            2,
            2,
            3,
            3,
            3
        };
        typedef test_compare<std::less<int> > C;
        typedef other_allocator<V> A;
        std::set<int, C, A> mo(ar, ar+sizeof(ar)/sizeof(ar[0]), C(5), A(2));
        std::set<int, C, A> m(ar, ar+sizeof(ar)/sizeof(ar[0])/2, C(3), A(7));
        m = mo;
        assert(m.get_allocator() == A(2));
        assert(m.key_comp() == C(5));
        assert(m.size() == 3);
        assert(distance(m.begin(), m.end()) == 3);
        assert(*m.begin() == 1);
        assert(*next(m.begin()) == 2);
        assert(*next(m.begin(), 2) == 3);
    
        assert(mo.get_allocator() == A(2));
        assert(mo.key_comp() == C(5));
        assert(mo.size() == 3);
        assert(distance(mo.begin(), mo.end()) == 3);
        assert(*mo.begin() == 1);
        assert(*next(mo.begin()) == 2);
        assert(*next(mo.begin(), 2) == 3);
    }
}