ok.pass.cpp (1532B)
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 year; 13 14 // constexpr bool ok() const noexcept; 15 // Returns: min() <= y_ && y_ <= max(). 16 // 17 // static constexpr year min() noexcept; 18 // Returns year{ 32767}; 19 // static constexpr year max() noexcept; 20 // Returns year{-32767}; 21 22 #include <chrono> 23 #include <type_traits> 24 #include <cassert> 25 26 #include "test_macros.h" 27 28 int main() 29 { 30 using year = std::chrono::year; 31 32 ASSERT_NOEXCEPT( std::declval<const year>().ok()); 33 ASSERT_SAME_TYPE(bool, decltype(std::declval<const year>().ok())); 34 35 ASSERT_NOEXCEPT( year::max()); 36 ASSERT_SAME_TYPE(year, decltype(year::max())); 37 38 ASSERT_NOEXCEPT( year::min()); 39 ASSERT_SAME_TYPE(year, decltype(year::min())); 40 41 static_assert(static_cast<int>(year::min()) == -32767, ""); 42 static_assert(static_cast<int>(year::max()) == 32767, ""); 43 44 assert(year{-20001}.ok()); 45 assert(year{ -2000}.ok()); 46 assert(year{ -1}.ok()); 47 assert(year{ 0}.ok()); 48 assert(year{ 1}.ok()); 49 assert(year{ 2000}.ok()); 50 assert(year{ 20001}.ok()); 51 52 static_assert(!year{-32768}.ok(), ""); 53 }