pbump2gig.pass.cpp (1149B)
1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <streambuf> 11 12 // template <class charT, class traits = char_traits<charT> > 13 // class basic_streambuf; 14 15 // void pbump(int n); 16 // 17 // REQUIRES: long_tests 18 19 #include <sstream> 20 #include <cassert> 21 #include "test_macros.h" 22 23 struct SB : std::stringbuf 24 { 25 SB() : std::stringbuf(std::ios::ate|std::ios::out) { } 26 const char* pubpbase() const { return pbase(); } 27 const char* pubpptr() const { return pptr(); } 28 }; 29 30 int main() 31 { 32 #ifndef TEST_HAS_NO_EXCEPTIONS 33 try { 34 #endif 35 std::string str(2147483648, 'a'); 36 SB sb; 37 sb.str(str); 38 assert(sb.pubpbase() <= sb.pubpptr()); 39 #ifndef TEST_HAS_NO_EXCEPTIONS 40 } 41 catch (const std::length_error &) {} // maybe the string can't take 2GB 42 catch (const std::bad_alloc &) {} // maybe we don't have enough RAM 43 #endif 44 }