compare.pass.cpp (1827B)
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 // <array> 11 12 // These are all constexpr in C++20 13 // bool operator==(array<T, N> const&, array<T, N> const&); 14 // bool operator!=(array<T, N> const&, array<T, N> const&); 15 // bool operator<(array<T, N> const&, array<T, N> const&); 16 // bool operator<=(array<T, N> const&, array<T, N> const&); 17 // bool operator>(array<T, N> const&, array<T, N> const&); 18 // bool operator>=(array<T, N> const&, array<T, N> const&); 19 20 21 #include <array> 22 #include <vector> 23 #include <cassert> 24 25 #include "test_macros.h" 26 #include "test_comparisons.h" 27 28 // std::array is explicitly allowed to be initialized with A a = { init-list };. 29 // Disable the missing braces warning for this reason. 30 #include "disable_missing_braces_warning.h" 31 32 int main() 33 { 34 { 35 typedef int T; 36 typedef std::array<T, 3> C; 37 C c1 = {1, 2, 3}; 38 C c2 = {1, 2, 3}; 39 C c3 = {3, 2, 1}; 40 C c4 = {1, 2, 1}; 41 assert(testComparisons6(c1, c2, true, false)); 42 assert(testComparisons6(c1, c3, false, true)); 43 assert(testComparisons6(c1, c4, false, false)); 44 } 45 { 46 typedef int T; 47 typedef std::array<T, 0> C; 48 C c1 = {}; 49 C c2 = {}; 50 assert(testComparisons6(c1, c2, true, false)); 51 } 52 53 #if TEST_STD_VER > 17 54 { 55 constexpr std::array<int, 3> a1 = {1, 2, 3}; 56 constexpr std::array<int, 3> a2 = {2, 3, 4}; 57 static_assert(testComparisons6(a1, a1, true, false), ""); 58 static_assert(testComparisons6(a1, a2, false, true), ""); 59 static_assert(testComparisons6(a2, a1, false, false), ""); 60 } 61 #endif 62 }