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//===----------------------------------------------------------------------===//
//
// 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>
// void swap(basic_string<charT,traits,Allocator>& lhs,
// basic_string<charT,traits,Allocator>& rhs);
#include <string>
#include <stdexcept>
#include <algorithm>
#include <cassert>
#include "test_macros.h"
#include "min_allocator.h"
template <class S>
void
test(S s1, S s2)
{
S s1_ = s1;
S s2_ = s2;
swap(s1, s2);
LIBCPP_ASSERT(s1.__invariants());
LIBCPP_ASSERT(s2.__invariants());
assert(s1 == s2_);
assert(s2 == s1_);
}
int main()
{
{
typedef std::string S;
test(S(""), S(""));
test(S(""), S("12345"));
test(S(""), S("1234567890"));
test(S(""), S("12345678901234567890"));
test(S("abcde"), S(""));
test(S("abcde"), S("12345"));
test(S("abcde"), S("1234567890"));
test(S("abcde"), S("12345678901234567890"));
test(S("abcdefghij"), S(""));
test(S("abcdefghij"), S("12345"));
test(S("abcdefghij"), S("1234567890"));
test(S("abcdefghij"), S("12345678901234567890"));
test(S("abcdefghijklmnopqrst"), S(""));
test(S("abcdefghijklmnopqrst"), S("12345"));
test(S("abcdefghijklmnopqrst"), S("1234567890"));
test(S("abcdefghijklmnopqrst"), S("12345678901234567890"));
}
#if TEST_STD_VER >= 11
{
typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
test(S(""), S(""));
test(S(""), S("12345"));
test(S(""), S("1234567890"));
test(S(""), S("12345678901234567890"));
test(S("abcde"), S(""));
test(S("abcde"), S("12345"));
test(S("abcde"), S("1234567890"));
test(S("abcde"), S("12345678901234567890"));
test(S("abcdefghij"), S(""));
test(S("abcdefghij"), S("12345"));
test(S("abcdefghij"), S("1234567890"));
test(S("abcdefghij"), S("12345678901234567890"));
test(S("abcdefghijklmnopqrst"), S(""));
test(S("abcdefghijklmnopqrst"), S("12345"));
test(S("abcdefghijklmnopqrst"), S("1234567890"));
test(S("abcdefghijklmnopqrst"), S("12345678901234567890"));
}
#endif
}
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