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libcxx/test/std/strings/basic.string/string.nonmembers/string_oplt/string_string.pass.cpp

71 lines
2.4 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <string>
// template<class charT, class traits, class Allocator>
// bool operator<(const basic_string<charT,traits,Allocator>& lhs,
// const basic_string<charT,traits,Allocator>& rhs);
#include <string>
#include <cassert>
#include "min_allocator.h"
template <class S>
void
test(const S& lhs, const S& rhs, bool x)
{
assert((lhs < rhs) == x);
}
int main()
{
{
typedef std::string S;
test(S(""), S(""), false);
test(S(""), S("abcde"), true);
test(S(""), S("abcdefghij"), true);
test(S(""), S("abcdefghijklmnopqrst"), true);
test(S("abcde"), S(""), false);
test(S("abcde"), S("abcde"), false);
test(S("abcde"), S("abcdefghij"), true);
test(S("abcde"), S("abcdefghijklmnopqrst"), true);
test(S("abcdefghij"), S(""), false);
test(S("abcdefghij"), S("abcde"), false);
test(S("abcdefghij"), S("abcdefghij"), false);
test(S("abcdefghij"), S("abcdefghijklmnopqrst"), true);
test(S("abcdefghijklmnopqrst"), S(""), false);
test(S("abcdefghijklmnopqrst"), S("abcde"), false);
test(S("abcdefghijklmnopqrst"), S("abcdefghij"), false);
test(S("abcdefghijklmnopqrst"), S("abcdefghijklmnopqrst"), false);
}
#if TEST_STD_VER >= 11
{
typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
test(S(""), S(""), false);
test(S(""), S("abcde"), true);
test(S(""), S("abcdefghij"), true);
test(S(""), S("abcdefghijklmnopqrst"), true);
test(S("abcde"), S(""), false);
test(S("abcde"), S("abcde"), false);
test(S("abcde"), S("abcdefghij"), true);
test(S("abcde"), S("abcdefghijklmnopqrst"), true);
test(S("abcdefghij"), S(""), false);
test(S("abcdefghij"), S("abcde"), false);
test(S("abcdefghij"), S("abcdefghij"), false);
test(S("abcdefghij"), S("abcdefghijklmnopqrst"), true);
test(S("abcdefghijklmnopqrst"), S(""), false);
test(S("abcdefghijklmnopqrst"), S("abcde"), false);
test(S("abcdefghijklmnopqrst"), S("abcdefghij"), false);
test(S("abcdefghijklmnopqrst"), S("abcdefghijklmnopqrst"), false);
}
#endif
}