Mercurial > hg > CbC > CbC_gcc

comparison libstdc++-v3/testsuite/25_algorithms/clamp/constrained.cc @ 152:2b5abeee2509

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
update gcc11
author anatofuz
date Mon, 25 May 2020 07:50:57 +0900
parents
children
comparison
equal deleted inserted replaced
145:1830386684a0 152:2b5abeee2509
1 // Copyright (C) 2020 Free Software Foundation, Inc.
2 //
3 // This file is part of the GNU ISO C++ Library. This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 3, or (at your option)
7 // any later version.
8
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
13
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING3. If not see
16 // <http://www.gnu.org/licenses/>.
17
18 // { dg-options "-std=gnu++2a" }
19 // { dg-do run { target c++2a } }
20
21 #include <algorithm>
22 #include <testsuite_hooks.h>
23 #include <testsuite_iterators.h>
24
25 using __gnu_test::test_container;
26 using __gnu_test::test_range;
27 using __gnu_test::input_iterator_wrapper;
28
29 namespace ranges = std::ranges;
30
31 struct X
32 {
33 int i, j;
34 };
35
36 void
37 test01()
38 {
39 VERIFY( ranges::clamp(1, 2, 4) == 2 );
40 VERIFY( ranges::clamp(3, 2, 4) == 3 );
41 VERIFY( ranges::clamp(5, 2, 4) == 4 );
42
43 VERIFY( ranges::clamp(1, 4, 2, ranges::greater{}) == 2 );
44 VERIFY( ranges::clamp(3, 4, 2, ranges::greater{}) == 3 );
45 VERIFY( ranges::clamp(5, 4, 2, ranges::greater{}) == 4 );
46
47 VERIFY( ranges::clamp(1, 2, 4, ranges::greater{}, std::negate<>{}) == 2 );
48 VERIFY( ranges::clamp(3, 2, 4, ranges::greater{}, std::negate<>{}) == 3 );
49 VERIFY( ranges::clamp(5, 2, 4, ranges::greater{}, std::negate<>{}) == 4 );
50
51 static_assert(ranges::clamp(X{1,2}, X{1,3}, X{1,4}, {}, &X::i).j == 2);
52 }
53
54 int
55 main()
56 {
57 test01();
58 }