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 // template<class charT, class traits, class Allocator> 13 // bool operator==(const charT* lhs, const basic_string<charT,traits> rhs); 14 // template<class charT, class traits, class Allocator> 15 // bool operator==(const basic_string_view<charT,traits> lhs, const CharT* rhs); 16 17 #include <experimental/string_view> 18 #include <cassert> 19 20 #if _LIBCPP_STD_VER > 11 21 22 template <class S> 23 void 24 test(const std::string &lhs, S rhs, bool x) 25 { 26 assert((lhs == rhs) == x); 27 assert((rhs == lhs) == x); 28 } 29 30 int main() 31 { 32 { 33 typedef std::experimental::string_view S; 34 test("", S(""), true); 35 test("", S("abcde"), false); 36 test("", S("abcdefghij"), false); 37 test("", S("abcdefghijklmnopqrst"), false); 38 test("abcde", S(""), false); 39 test("abcde", S("abcde"), true); 40 test("abcde", S("abcdefghij"), false); 41 test("abcde", S("abcdefghijklmnopqrst"), false); 42 test("abcdefghij", S(""), false); 43 test("abcdefghij", S("abcde"), false); 44 test("abcdefghij", S("abcdefghij"), true); 45 test("abcdefghij", S("abcdefghijklmnopqrst"), false); 46 test("abcdefghijklmnopqrst", S(""), false); 47 test("abcdefghijklmnopqrst", S("abcde"), false); 48 test("abcdefghijklmnopqrst", S("abcdefghij"), false); 49 test("abcdefghijklmnopqrst", S("abcdefghijklmnopqrst"), true); 50 } 51 } 52 #else 53 int main () {} 54 #endif 55
