1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 // <map>
11
12 // multimap()
13 // noexcept(
14 // is_nothrow_default_constructible<allocator_type>::value &&
15 // is_nothrow_default_constructible<key_compare>::value &&
16 // is_nothrow_copy_constructible<key_compare>::value);
17
18 // This tests a conforming extension
19
20 #include <map>
21 #include <cassert>
22
23 #include "MoveOnly.h"
24 #include "test_allocator.h"
25
26 template <class T>
27 struct some_comp
28 {
29 typedef T value_type;
30 some_comp();
31 };
32
main()33 int main()
34 {
35 #if __has_feature(cxx_noexcept)
36 {
37 typedef std::multimap<MoveOnly, MoveOnly> C;
38 static_assert(std::is_nothrow_default_constructible<C>::value, "");
39 }
40 {
41 typedef std::multimap<MoveOnly, MoveOnly, std::less<MoveOnly>, test_allocator<MoveOnly>> C;
42 static_assert(std::is_nothrow_default_constructible<C>::value, "");
43 }
44 {
45 typedef std::multimap<MoveOnly, MoveOnly, std::less<MoveOnly>, other_allocator<MoveOnly>> C;
46 static_assert(!std::is_nothrow_default_constructible<C>::value, "");
47 }
48 {
49 typedef std::multimap<MoveOnly, MoveOnly, some_comp<MoveOnly>> C;
50 static_assert(!std::is_nothrow_default_constructible<C>::value, "");
51 }
52 #endif
53 }
54