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//===----------------------------------------------------------------------===//
//
// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <string>
// basic_string<charT,traits,Allocator>& operator+=(const charT* s);
#include <string>
#include <cassert>
template <class S>
void
test(S s, const typename S::value_type* str, S expected)
{
s += str;
assert(s.__invariants());
assert(s == expected);
}
int main()
{
typedef std::string S;
test(S(), "", S());
test(S(), "12345", S("12345"));
test(S(), "1234567890", S("1234567890"));
test(S(), "12345678901234567890", S("12345678901234567890"));
test(S("12345"), "", S("12345"));
test(S("12345"), "12345", S("1234512345"));
test(S("12345"), "1234567890", S("123451234567890"));
test(S("12345"), "12345678901234567890", S("1234512345678901234567890"));
test(S("1234567890"), "", S("1234567890"));
test(S("1234567890"), "12345", S("123456789012345"));
test(S("1234567890"), "1234567890", S("12345678901234567890"));
test(S("1234567890"), "12345678901234567890", S("123456789012345678901234567890"));
test(S("12345678901234567890"), "", S("12345678901234567890"));
test(S("12345678901234567890"), "12345", S("1234567890123456789012345"));
test(S("12345678901234567890"), "1234567890", S("123456789012345678901234567890"));
test(S("12345678901234567890"), "12345678901234567890",
S("1234567890123456789012345678901234567890"));
}
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