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