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 // iterator insert(const_iterator p, charT c); 13 14 #include <string> 15 #include <stdexcept> 16 #include <cassert> 17 18 #include "test_macros.h" 19 #include "min_allocator.h" 20 21 template <class S> 22 void 23 test(S& s, typename S::const_iterator p, typename S::value_type c, S expected) 24 { 25 bool sufficient_cap = s.size() < s.capacity(); 26 typename S::difference_type pos = p - s.begin(); 27 typename S::iterator i = s.insert(p, c); 28 LIBCPP_ASSERT(s.__invariants()); 29 assert(s == expected); 30 assert(i - s.begin() == pos); 31 assert(*i == c); 32 if (sufficient_cap) 33 assert(i == p); 34 } 35 36 int main() 37 { 38 { 39 typedef std::string S; 40 S s; 41 test(s, s.begin(), '1', S("1")); 42 test(s, s.begin(), 'a', S("a1")); 43 test(s, s.end(), 'b', S("a1b")); 44 test(s, s.end()-1, 'c', S("a1cb")); 45 test(s, s.end()-2, 'd', S("a1dcb")); 46 test(s, s.end()-3, '2', S("a12dcb")); 47 test(s, s.end()-4, '3', S("a132dcb")); 48 test(s, s.end()-5, '4', S("a1432dcb")); 49 test(s, s.begin()+1, '5', S("a51432dcb")); 50 test(s, s.begin()+2, '6', S("a561432dcb")); 51 test(s, s.begin()+3, '7', S("a5671432dcb")); 52 test(s, s.begin()+4, 'A', S("a567A1432dcb")); 53 test(s, s.begin()+5, 'B', S("a567AB1432dcb")); 54 test(s, s.begin()+6, 'C', S("a567ABC1432dcb")); 55 } 56 #if TEST_STD_VER >= 11 57 { 58 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; 59 S s; 60 test(s, s.begin(), '1', S("1")); 61 test(s, s.begin(), 'a', S("a1")); 62 test(s, s.end(), 'b', S("a1b")); 63 test(s, s.end()-1, 'c', S("a1cb")); 64 test(s, s.end()-2, 'd', S("a1dcb")); 65 test(s, s.end()-3, '2', S("a12dcb")); 66 test(s, s.end()-4, '3', S("a132dcb")); 67 test(s, s.end()-5, '4', S("a1432dcb")); 68 test(s, s.begin()+1, '5', S("a51432dcb")); 69 test(s, s.begin()+2, '6', S("a561432dcb")); 70 test(s, s.begin()+3, '7', S("a5671432dcb")); 71 test(s, s.begin()+4, 'A', S("a567A1432dcb")); 72 test(s, s.begin()+5, 'B', S("a567AB1432dcb")); 73 test(s, s.begin()+6, 'C', S("a567ABC1432dcb")); 74 } 75 #endif 76 } 77
