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 // template <class T, size_t N> constexpr size_type array<T,N>::size(); 13 14 #include <array> 15 #include <cassert> 16 17 // std::array is explicitly allowed to be initialized with A a = { init-list };. 18 // Disable the missing braces warning for this reason. 19 #include "disable_missing_braces_warning.h" 20 21 int main() 22 { 23 { 24 typedef double T; 25 typedef std::array<T, 3> C; 26 C c = {1, 2, 3.5}; 27 assert(c.size() == 3); 28 assert(c.max_size() == 3); 29 assert(!c.empty()); 30 } 31 { 32 typedef double T; 33 typedef std::array<T, 0> C; 34 C c = {}; 35 assert(c.size() == 0); 36 assert(c.max_size() == 0); 37 assert(c.empty()); 38 } 39 #ifndef _LIBCPP_HAS_NO_CONSTEXPR 40 { 41 typedef double T; 42 typedef std::array<T, 3> C; 43 constexpr C c = {1, 2, 3.5}; 44 static_assert(c.size() == 3, ""); 45 static_assert(c.max_size() == 3, ""); 46 static_assert(!c.empty(), ""); 47 } 48 { 49 typedef double T; 50 typedef std::array<T, 0> C; 51 constexpr C c = {}; 52 static_assert(c.size() == 0, ""); 53 static_assert(c.max_size() == 0, ""); 54 static_assert(c.empty(), ""); 55 } 56 #endif 57 } 58
