test/depr/depr.str.strstreams/depr.strstreambuf/depr.strstreambuf.cons/cucp_size.pass.cpp


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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.
//
//===----------------------------------------------------------------------===//

// <strstream>

// class strstreambuf

// strstreambuf(const unsigned char* gnext_arg, streamsize n);

#include <strstream>
#include <cassert>

int main()
{
    {
        unsigned char buf[] = "abcd";
        std::strstreambuf sb(buf, sizeof(buf));
        assert(sb.sgetc() == 'a');
        assert(sb.snextc() == 'b');
        assert(sb.snextc() == 'c');
        assert(sb.snextc() == 'd');
        assert(sb.snextc() == 0);
        assert(sb.snextc() == EOF);
    }
    {
        unsigned char buf[] = "abcd";
        std::strstreambuf sb(buf, 0);
        assert(sb.sgetc() == 'a');
        assert(sb.snextc() == 'b');
        assert(sb.snextc() == 'c');
        assert(sb.snextc() == 'd');
        assert(sb.snextc() == EOF);
    }
}