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 // int compare(const charT *s) const; 13 14 #include <string> 15 #include <cassert> 16 17 #include "min_allocator.h" 18 19 int sign(int x) 20 { 21 if (x == 0) 22 return 0; 23 if (x < 0) 24 return -1; 25 return 1; 26 } 27 28 template <class S> 29 void 30 test(const S& s, const typename S::value_type* str, int x) 31 { 32 assert(sign(s.compare(str)) == sign(x)); 33 } 34 35 int main() 36 { 37 { 38 typedef std::string S; 39 test(S(""), "", 0); 40 test(S(""), "abcde", -5); 41 test(S(""), "abcdefghij", -10); 42 test(S(""), "abcdefghijklmnopqrst", -20); 43 test(S("abcde"), "", 5); 44 test(S("abcde"), "abcde", 0); 45 test(S("abcde"), "abcdefghij", -5); 46 test(S("abcde"), "abcdefghijklmnopqrst", -15); 47 test(S("abcdefghij"), "", 10); 48 test(S("abcdefghij"), "abcde", 5); 49 test(S("abcdefghij"), "abcdefghij", 0); 50 test(S("abcdefghij"), "abcdefghijklmnopqrst", -10); 51 test(S("abcdefghijklmnopqrst"), "", 20); 52 test(S("abcdefghijklmnopqrst"), "abcde", 15); 53 test(S("abcdefghijklmnopqrst"), "abcdefghij", 10); 54 test(S("abcdefghijklmnopqrst"), "abcdefghijklmnopqrst", 0); 55 } 56 #if __cplusplus >= 201103L 57 { 58 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; 59 test(S(""), "", 0); 60 test(S(""), "abcde", -5); 61 test(S(""), "abcdefghij", -10); 62 test(S(""), "abcdefghijklmnopqrst", -20); 63 test(S("abcde"), "", 5); 64 test(S("abcde"), "abcde", 0); 65 test(S("abcde"), "abcdefghij", -5); 66 test(S("abcde"), "abcdefghijklmnopqrst", -15); 67 test(S("abcdefghij"), "", 10); 68 test(S("abcdefghij"), "abcde", 5); 69 test(S("abcdefghij"), "abcdefghij", 0); 70 test(S("abcdefghij"), "abcdefghijklmnopqrst", -10); 71 test(S("abcdefghijklmnopqrst"), "", 20); 72 test(S("abcdefghijklmnopqrst"), "abcde", 15); 73 test(S("abcdefghijklmnopqrst"), "abcdefghij", 10); 74 test(S("abcdefghijklmnopqrst"), "abcdefghijklmnopqrst", 0); 75 } 76 #endif 77 } 78
