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 // basic_string<charT,traits,Allocator>& 13 // append(basic_string_view<charT,traits> sv); 14 15 #include <string> 16 #include <string_view> 17 #include <cassert> 18 19 #include "test_macros.h" 20 #include "min_allocator.h" 21 22 template <class S, class SV> 23 void 24 test(S s, SV sv, S expected) 25 { 26 s.append(sv); 27 LIBCPP_ASSERT(s.__invariants()); 28 assert(s == expected); 29 } 30 31 int main() 32 { 33 { 34 typedef std::string S; 35 typedef std::string_view SV; 36 test(S(), SV(), S()); 37 test(S(), SV("12345"), S("12345")); 38 test(S(), SV("1234567890"), S("1234567890")); 39 test(S(), SV("12345678901234567890"), S("12345678901234567890")); 40 41 test(S("12345"), SV(), S("12345")); 42 test(S("12345"), SV("12345"), S("1234512345")); 43 test(S("12345"), SV("1234567890"), S("123451234567890")); 44 test(S("12345"), SV("12345678901234567890"), S("1234512345678901234567890")); 45 46 test(S("1234567890"), SV(), S("1234567890")); 47 test(S("1234567890"), SV("12345"), S("123456789012345")); 48 test(S("1234567890"), SV("1234567890"), S("12345678901234567890")); 49 test(S("1234567890"), SV("12345678901234567890"), S("123456789012345678901234567890")); 50 51 test(S("12345678901234567890"), SV(), S("12345678901234567890")); 52 test(S("12345678901234567890"), SV("12345"), S("1234567890123456789012345")); 53 test(S("12345678901234567890"), SV("1234567890"), S("123456789012345678901234567890")); 54 test(S("12345678901234567890"), SV("12345678901234567890"), 55 S("1234567890123456789012345678901234567890")); 56 } 57 #if TEST_STD_VER >= 11 58 { 59 typedef std::basic_string <char, std::char_traits<char>, min_allocator<char>> S; 60 typedef std::basic_string_view<char, std::char_traits<char> > SV; 61 test(S(), SV(), S()); 62 test(S(), SV("12345"), S("12345")); 63 test(S(), SV("1234567890"), S("1234567890")); 64 test(S(), SV("12345678901234567890"), S("12345678901234567890")); 65 66 test(S("12345"), SV(), S("12345")); 67 test(S("12345"), SV("12345"), S("1234512345")); 68 test(S("12345"), SV("1234567890"), S("123451234567890")); 69 test(S("12345"), SV("12345678901234567890"), S("1234512345678901234567890")); 70 71 test(S("1234567890"), SV(), S("1234567890")); 72 test(S("1234567890"), SV("12345"), S("123456789012345")); 73 test(S("1234567890"), SV("1234567890"), S("12345678901234567890")); 74 test(S("1234567890"), SV("12345678901234567890"), S("123456789012345678901234567890")); 75 76 test(S("12345678901234567890"), SV(), S("12345678901234567890")); 77 test(S("12345678901234567890"), SV("12345"), S("1234567890123456789012345")); 78 test(S("12345678901234567890"), SV("1234567890"), S("123456789012345678901234567890")); 79 test(S("12345678901234567890"), SV("12345678901234567890"), 80 S("1234567890123456789012345678901234567890")); 81 } 82 #endif 83 } 84
