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45 lines
1.1 KiB
C++
45 lines
1.1 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <streambuf>
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// template <class charT, class traits = char_traits<charT> >
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// class basic_streambuf;
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// void pbump(int n);
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//
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// REQUIRES: long_tests
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#include <sstream>
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#include <cassert>
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#include "test_macros.h"
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struct SB : std::stringbuf
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{
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SB() : std::stringbuf(std::ios::ate|std::ios::out) { }
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const char* pubpbase() const { return pbase(); }
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const char* pubpptr() const { return pptr(); }
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};
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int main()
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{
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#ifndef TEST_HAS_NO_EXCEPTIONS
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try {
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#endif
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std::string str(2147483648, 'a');
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SB sb;
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sb.str(str);
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assert(sb.pubpbase() <= sb.pubpptr());
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#ifndef TEST_HAS_NO_EXCEPTIONS
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}
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catch (const std::length_error &) {} // maybe the string can't take 2GB
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catch (const std::bad_alloc &) {} // maybe we don't have enough RAM
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#endif
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}
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