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//===----------------------------------------------------------------------===//
//
// The 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=(basic_string<charT,traits,Allocator>&& str);
#include <string>
#include <cassert>
#ifdef _LIBCPP_MOVE
#include "../test_allocator.h"
template <class S>
void
test(S s1, S s2)
{
S s0 = s2;
s1 = std::move(s2);
assert(s1.__invariants());
assert(s2.__invariants());
assert(s1 == s0);
assert(s1.capacity() >= s1.size());
}
#endif
int main()
{
#ifdef _LIBCPP_MOVE
typedef std::string S;
test(S(), S());
test(S("1"), S());
test(S(), S("1"));
test(S("1"), S("2"));
test(S("1"), S("2"));
test(S(),
S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
test(S("123456789"),
S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
test(S("1234567890123456789012345678901234567890123456789012345678901234567890"),
S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
test(S("1234567890123456789012345678901234567890123456789012345678901234567890"
"1234567890123456789012345678901234567890123456789012345678901234567890"),
S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
#endif
}
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