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 // <string> 11 12 // explicit basic_string(basic_string_view<CharT, traits> sv, const Allocator& a = Allocator()); 13 14 #include <string> 15 #include <string_view> 16 #include <stdexcept> 17 #include <algorithm> 18 #include <cassert> 19 20 #include "test_macros.h" 21 #include "test_allocator.h" 22 #include "min_allocator.h" 23 24 template <class charT> 25 void 26 test(std::basic_string_view<charT> sv) 27 { 28 typedef std::basic_string<charT, std::char_traits<charT>, test_allocator<charT> > S; 29 typedef typename S::traits_type T; 30 typedef typename S::allocator_type A; 31 S s2(sv); 32 LIBCPP_ASSERT(s2.__invariants()); 33 assert(s2.size() == sv.size()); 34 assert(T::compare(s2.data(), sv.data(), sv.size()) == 0); 35 assert(s2.get_allocator() == A()); 36 assert(s2.capacity() >= s2.size()); 37 } 38 39 template <class charT, class A> 40 void 41 test(std::basic_string_view<charT> sv, const A& a) 42 { 43 typedef std::basic_string<charT, std::char_traits<charT>, A> S; 44 typedef typename S::traits_type T; 45 S s2(sv, a); 46 LIBCPP_ASSERT(s2.__invariants()); 47 assert(s2.size() == sv.size()); 48 assert(T::compare(s2.data(), sv.data(), sv.size()) == 0); 49 assert(s2.get_allocator() == a); 50 assert(s2.capacity() >= s2.size()); 51 } 52 53 int main() 54 { 55 { 56 typedef test_allocator<char> A; 57 typedef std::basic_string_view<char, std::char_traits<char> > SV; 58 59 test(SV("")); 60 test(SV(""), A(2)); 61 62 test(SV("1")); 63 test(SV("1") ,A(2)); 64 65 test(SV("1234567980")); 66 test(SV("1234567980"), A(2)); 67 68 test(SV("123456798012345679801234567980123456798012345679801234567980")); 69 test(SV("123456798012345679801234567980123456798012345679801234567980"), A(2)); 70 } 71 #if TEST_STD_VER >= 11 72 { 73 typedef min_allocator<char> A; 74 typedef std::basic_string_view<char, std::char_traits<char> > SV; 75 76 test(SV("")); 77 test(SV(""), A()); 78 79 test(SV("1")); 80 test(SV("1") ,A()); 81 82 test(SV("1234567980")); 83 test(SV("1234567980"), A()); 84 85 test(SV("123456798012345679801234567980123456798012345679801234567980")); 86 test(SV("123456798012345679801234567980123456798012345679801234567980"), A()); 87 } 88 #endif 89 } 90