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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>

// void push_back(charT c)

#include <string>
#include <cassert>

template <class S>
void
test(S s, typename S::value_type c, S expected)
{
    s.push_back(c);
    assert(s.__invariants());
    assert(s == expected);
}

int main()
{
    typedef std::string S;
    test(S(), 'a', S(1, 'a'));
    test(S("12345"), 'a', S("12345a"));
    test(S("12345678901234567890"), 'a', S("12345678901234567890a"));
}
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