cxx/test/strings/basic.string/string.nonmembers/string_op+/string_pointer.pass.cpp

83 lines
3.2 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <string>
// template<class charT, class traits, class Allocator>
// basic_string<charT,traits,Allocator>
// operator+(const basic_string<charT,traits,Allocator>& lhs, const charT* rhs);
// template<class charT, class traits, class Allocator>
// basic_string<charT,traits,Allocator>&&
// operator+(basic_string<charT,traits,Allocator>&& lhs, const charT* rhs);
#include <string>
#include <cassert>
template <class S>
void
test0(const S& lhs, const typename S::value_type* rhs, const S& x)
{
assert(lhs + rhs == x);
}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class S>
void
test1(S&& lhs, const typename S::value_type* rhs, const S& x)
{
assert(move(lhs) + rhs == x);
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
typedef std::string S;
int main()
{
test0(S(""), "", S(""));
test0(S(""), "12345", S("12345"));
test0(S(""), "1234567890", S("1234567890"));
test0(S(""), "12345678901234567890", S("12345678901234567890"));
test0(S("abcde"), "", S("abcde"));
test0(S("abcde"), "12345", S("abcde12345"));
test0(S("abcde"), "1234567890", S("abcde1234567890"));
test0(S("abcde"), "12345678901234567890", S("abcde12345678901234567890"));
test0(S("abcdefghij"), "", S("abcdefghij"));
test0(S("abcdefghij"), "12345", S("abcdefghij12345"));
test0(S("abcdefghij"), "1234567890", S("abcdefghij1234567890"));
test0(S("abcdefghij"), "12345678901234567890", S("abcdefghij12345678901234567890"));
test0(S("abcdefghijklmnopqrst"), "", S("abcdefghijklmnopqrst"));
test0(S("abcdefghijklmnopqrst"), "12345", S("abcdefghijklmnopqrst12345"));
test0(S("abcdefghijklmnopqrst"), "1234567890", S("abcdefghijklmnopqrst1234567890"));
test0(S("abcdefghijklmnopqrst"), "12345678901234567890", S("abcdefghijklmnopqrst12345678901234567890"));
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
test1(S(""), "", S(""));
test1(S(""), "12345", S("12345"));
test1(S(""), "1234567890", S("1234567890"));
test1(S(""), "12345678901234567890", S("12345678901234567890"));
test1(S("abcde"), "", S("abcde"));
test1(S("abcde"), "12345", S("abcde12345"));
test1(S("abcde"), "1234567890", S("abcde1234567890"));
test1(S("abcde"), "12345678901234567890", S("abcde12345678901234567890"));
test1(S("abcdefghij"), "", S("abcdefghij"));
test1(S("abcdefghij"), "12345", S("abcdefghij12345"));
test1(S("abcdefghij"), "1234567890", S("abcdefghij1234567890"));
test1(S("abcdefghij"), "12345678901234567890", S("abcdefghij12345678901234567890"));
test1(S("abcdefghijklmnopqrst"), "", S("abcdefghijklmnopqrst"));
test1(S("abcdefghijklmnopqrst"), "12345", S("abcdefghijklmnopqrst12345"));
test1(S("abcdefghijklmnopqrst"), "1234567890", S("abcdefghijklmnopqrst1234567890"));
test1(S("abcdefghijklmnopqrst"), "12345678901234567890", S("abcdefghijklmnopqrst12345678901234567890"));
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
}