ok.pass.cpp (1458B)
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 // UNSUPPORTED: c++98, c++03, c++11, c++14, c++17 10 11 // <chrono> 12 // class weekday_indexed; 13 14 // constexpr bool ok() const noexcept; 15 // Returns: wd_.ok() && 1 <= index_ && index_ <= 5 16 17 #include <chrono> 18 #include <type_traits> 19 #include <cassert> 20 21 #include "test_macros.h" 22 23 int main() 24 { 25 using weekday = std::chrono::weekday; 26 using weekday_indexed = std::chrono::weekday_indexed; 27 28 ASSERT_NOEXCEPT( std::declval<const weekday_indexed>().ok()); 29 ASSERT_SAME_TYPE(bool, decltype(std::declval<const weekday_indexed>().ok())); 30 31 static_assert(!weekday_indexed{}.ok(), ""); 32 static_assert( weekday_indexed{std::chrono::Sunday, 2}.ok(), ""); 33 34 assert(!(weekday_indexed(std::chrono::Tuesday, 0).ok())); 35 for (unsigned i = 1; i <= 5; ++i) 36 { 37 weekday_indexed wdi(std::chrono::Tuesday, i); 38 assert( wdi.ok()); 39 } 40 41 for (unsigned i = 6; i <= 20; ++i) 42 { 43 weekday_indexed wdi(std::chrono::Tuesday, i); 44 assert(!wdi.ok()); 45 } 46 47 // Not a valid weekday 48 assert(!(weekday_indexed(weekday{9U}, 1).ok())); 49 }