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71 lines
1.6 KiB
C++
71 lines
1.6 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <map>
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// class multimap
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// iterator insert(const value_type& v);
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#include <map>
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#include <cassert>
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#include "test_macros.h"
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#include "min_allocator.h"
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template <class Container>
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void do_insert_test() {
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typedef Container M;
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typedef typename M::iterator R;
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typedef typename M::value_type VT;
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M m;
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const VT v1(2, 2.5);
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R r = m.insert(v1);
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assert(r == m.begin());
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assert(m.size() == 1);
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assert(r->first == 2);
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assert(r->second == 2.5);
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const VT v2(1, 1.5);
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r = m.insert(v2);
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assert(r == m.begin());
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assert(m.size() == 2);
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assert(r->first == 1);
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assert(r->second == 1.5);
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const VT v3(3, 3.5);
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r = m.insert(v3);
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assert(r == prev(m.end()));
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assert(m.size() == 3);
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assert(r->first == 3);
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assert(r->second == 3.5);
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const VT v4(3, 3.5);
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r = m.insert(v4);
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assert(r == prev(m.end()));
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assert(m.size() == 4);
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assert(r->first == 3);
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assert(r->second == 3.5);
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}
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int main(int, char**)
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{
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{
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typedef std::multimap<int, double> Container;
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do_insert_test<Container>();
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}
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#if TEST_STD_VER >= 11
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{
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typedef std::multimap<int, double, std::less<int>, min_allocator<std::pair<const int, double>>> Container;
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do_insert_test<Container>();
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}
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#endif
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return 0;
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}
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