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(const charT* s, size_type n); 14 15 #include <string> 16 #include <stdexcept> 17 #include <cassert> 18 19 #include "min_allocator.h" 20 21 template <class S> 22 void 23 test(S s, const typename S::value_type* str, typename S::size_type n, S expected) 24 { 25 s.append(str, n); 26 assert(s.__invariants()); 27 assert(s == expected); 28 } 29 30 int main() 31 { 32 { 33 typedef std::string S; 34 test(S(), "", 0, S()); 35 test(S(), "12345", 3, S("123")); 36 test(S(), "12345", 4, S("1234")); 37 test(S(), "12345678901234567890", 0, S()); 38 test(S(), "12345678901234567890", 1, S("1")); 39 test(S(), "12345678901234567890", 3, S("123")); 40 test(S(), "12345678901234567890", 20, S("12345678901234567890")); 41 42 test(S("12345"), "", 0, S("12345")); 43 test(S("12345"), "12345", 5, S("1234512345")); 44 test(S("12345"), "1234567890", 10, S("123451234567890")); 45 46 test(S("12345678901234567890"), "", 0, S("12345678901234567890")); 47 test(S("12345678901234567890"), "12345", 5, S("1234567890123456789012345")); 48 test(S("12345678901234567890"), "12345678901234567890", 20, 49 S("1234567890123456789012345678901234567890")); 50 } 51 #if __cplusplus >= 201103L 52 { 53 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; 54 test(S(), "", 0, S()); 55 test(S(), "12345", 3, S("123")); 56 test(S(), "12345", 4, S("1234")); 57 test(S(), "12345678901234567890", 0, S()); 58 test(S(), "12345678901234567890", 1, S("1")); 59 test(S(), "12345678901234567890", 3, S("123")); 60 test(S(), "12345678901234567890", 20, S("12345678901234567890")); 61 62 test(S("12345"), "", 0, S("12345")); 63 test(S("12345"), "12345", 5, S("1234512345")); 64 test(S("12345"), "1234567890", 10, S("123451234567890")); 65 66 test(S("12345678901234567890"), "", 0, S("12345678901234567890")); 67 test(S("12345678901234567890"), "12345", 5, S("1234567890123456789012345")); 68 test(S("12345678901234567890"), "12345678901234567890", 20, 69 S("1234567890123456789012345678901234567890")); 70 } 71 #endif 72 } 73
