1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 // <array>
10
11 // bool operator==(array<T, N> const&, array<T, N> const&); // constexpr in C++20
12 // bool operator!=(array<T, N> const&, array<T, N> const&); // constexpr in C++20
13 // bool operator<(array<T, N> const&, array<T, N> const&); // constexpr in C++20
14 // bool operator<=(array<T, N> const&, array<T, N> const&); // constexpr in C++20
15 // bool operator>(array<T, N> const&, array<T, N> const&); // constexpr in C++20
16 // bool operator>=(array<T, N> const&, array<T, N> const&); // constexpr in C++20
17
18
19 #include <array>
20 #include <cassert>
21
22 #include "test_macros.h"
23 #include "test_comparisons.h"
24
tests()25 TEST_CONSTEXPR_CXX20 bool tests()
26 {
27 {
28 typedef std::array<int, 3> C;
29 const C c1 = {1, 2, 3};
30 const C c2 = {1, 2, 3};
31 const C c3 = {3, 2, 1};
32 const C c4 = {1, 2, 1};
33 assert(testComparisons(c1, c2, true, false));
34 assert(testComparisons(c1, c3, false, true));
35 assert(testComparisons(c1, c4, false, false));
36 }
37 {
38 typedef std::array<int, 0> C;
39 const C c1 = {};
40 const C c2 = {};
41 assert(testComparisons(c1, c2, true, false));
42 }
43 {
44 typedef std::array<LessAndEqComp, 3> C;
45 const C c1 = {LessAndEqComp(1), LessAndEqComp(2), LessAndEqComp(3)};
46 const C c2 = {LessAndEqComp(1), LessAndEqComp(2), LessAndEqComp(3)};
47 const C c3 = {LessAndEqComp(3), LessAndEqComp(2), LessAndEqComp(1)};
48 const C c4 = {LessAndEqComp(1), LessAndEqComp(2), LessAndEqComp(1)};
49 assert(testComparisons(c1, c2, true, false));
50 assert(testComparisons(c1, c3, false, true));
51 assert(testComparisons(c1, c4, false, false));
52 }
53 {
54 typedef std::array<LessAndEqComp, 0> C;
55 const C c1 = {};
56 const C c2 = {};
57 assert(testComparisons(c1, c2, true, false));
58 }
59
60 return true;
61 }
62
main(int,char **)63 int main(int, char**)
64 {
65 tests();
66 #if TEST_STD_VER >= 20
67 static_assert(tests(), "");
68 #endif
69 return 0;
70 }
71