pointer.pass.cpp revision bc8d3f97eb5c958007f2713238472e0c1c8fe02
1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 3bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// ��������������������The LLVM Compiler Infrastructure 4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 5bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// This file is distributed under the University of Illinois Open Source 6bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// License. See LICENSE.TXT for details. 7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 9bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// <string> 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// int compare(const charT *s) const; 13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <string> 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint sign(int x) 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant if (x == 0) 20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant return 0; 21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant if (x < 0) 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant return -1; 23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant return 1; 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttemplate <class S> 27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantvoid 28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttest(const S& s, const typename S::value_type* str, int x) 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(sign(s.compare(str)) == sign(x)); 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttypedef std::string S; 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test(S(""), "", 0); 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test(S(""), "abcde", -5); 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test(S(""), "abcdefghij", -10); 40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test(S(""), "abcdefghijklmnopqrst", -20); 41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test(S("abcde"), "", 5); 42bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test(S("abcde"), "abcde", 0); 43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test(S("abcde"), "abcdefghij", -5); 44bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test(S("abcde"), "abcdefghijklmnopqrst", -15); 45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test(S("abcdefghij"), "", 10); 46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test(S("abcdefghij"), "abcde", 5); 47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test(S("abcdefghij"), "abcdefghij", 0); 48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test(S("abcdefghij"), "abcdefghijklmnopqrst", -10); 49bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test(S("abcdefghijklmnopqrst"), "", 20); 50bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test(S("abcdefghijklmnopqrst"), "abcde", 15); 51bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test(S("abcdefghijklmnopqrst"), "abcdefghij", 10); 52bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test(S("abcdefghijklmnopqrst"), "abcdefghijklmnopqrst", 0); 53bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 54