xref: /llvm-project/libcxx/test/std/containers/associative/set/set.observers/comp.pass.cpp (revision 56c8ad237aa4088e61be09ca30830ee704f10018)
1*56c8ad23SKonstantin Boyarinov //===----------------------------------------------------------------------===//
2*56c8ad23SKonstantin Boyarinov //
3*56c8ad23SKonstantin Boyarinov // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*56c8ad23SKonstantin Boyarinov // See https://llvm.org/LICENSE.txt for license information.
5*56c8ad23SKonstantin Boyarinov // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*56c8ad23SKonstantin Boyarinov //
7*56c8ad23SKonstantin Boyarinov //===----------------------------------------------------------------------===//
8*56c8ad23SKonstantin Boyarinov 
9*56c8ad23SKonstantin Boyarinov // <set>
10*56c8ad23SKonstantin Boyarinov 
11*56c8ad23SKonstantin Boyarinov // key_compare key_comp() const;
12*56c8ad23SKonstantin Boyarinov // value_compare value_comp() const;
13*56c8ad23SKonstantin Boyarinov 
14*56c8ad23SKonstantin Boyarinov #include <set>
15*56c8ad23SKonstantin Boyarinov #include <cassert>
16*56c8ad23SKonstantin Boyarinov 
main(int,char **)17*56c8ad23SKonstantin Boyarinov int main(int, char**) {
18*56c8ad23SKonstantin Boyarinov     typedef std::set<int> set_type;
19*56c8ad23SKonstantin Boyarinov 
20*56c8ad23SKonstantin Boyarinov     set_type s;
21*56c8ad23SKonstantin Boyarinov     std::pair<set_type::iterator, bool> p1 = s.insert(1);
22*56c8ad23SKonstantin Boyarinov     std::pair<set_type::iterator, bool> p2 = s.insert(2);
23*56c8ad23SKonstantin Boyarinov 
24*56c8ad23SKonstantin Boyarinov     const set_type& cs = s;
25*56c8ad23SKonstantin Boyarinov 
26*56c8ad23SKonstantin Boyarinov     assert(cs.key_comp()(*p1.first, *p2.first));
27*56c8ad23SKonstantin Boyarinov     assert(!cs.key_comp()(*p2.first, *p1.first));
28*56c8ad23SKonstantin Boyarinov 
29*56c8ad23SKonstantin Boyarinov     assert(cs.value_comp()(*p1.first, *p2.first));
30*56c8ad23SKonstantin Boyarinov     assert(!cs.value_comp()(*p2.first, *p1.first));
31*56c8ad23SKonstantin Boyarinov 
32*56c8ad23SKonstantin Boyarinov     return 0;
33*56c8ad23SKonstantin Boyarinov }
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