b64f8b07c1
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
98 lines
3.1 KiB
C++
98 lines
3.1 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <sstream>
|
|
|
|
// template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
|
|
// class basic_stringbuf
|
|
|
|
// int_type overflow(int_type c = traits::eof());
|
|
|
|
#include <sstream>
|
|
#include <cassert>
|
|
|
|
int overflow_called = 0;
|
|
|
|
template <class CharT>
|
|
struct testbuf
|
|
: public std::basic_stringbuf<CharT>
|
|
{
|
|
typedef std::basic_stringbuf<CharT> base;
|
|
explicit testbuf(const std::basic_string<CharT>& str,
|
|
std::ios_base::openmode which = std::ios_base::in | std::ios_base::out)
|
|
: base(str, which) {}
|
|
|
|
typename base::int_type
|
|
overflow(typename base::int_type c = base::type_traits::eof())
|
|
{++overflow_called; return base::overflow(c);}
|
|
|
|
void pbump(int n) {base::pbump(n);}
|
|
};
|
|
|
|
int main()
|
|
{
|
|
{
|
|
testbuf<char> sb("abc");
|
|
assert(sb.sputc('1') == '1');
|
|
assert(sb.str() == "1bc");
|
|
assert(sb.sputc('2') == '2');
|
|
assert(sb.str() == "12c");
|
|
assert(sb.sputc('3') == '3');
|
|
assert(sb.str() == "123");
|
|
assert(sb.sputc('4') == '4');
|
|
assert(sb.str() == "1234");
|
|
assert(sb.sputc('5') == '5');
|
|
assert(sb.str() == "12345");
|
|
assert(sb.sputc('6') == '6');
|
|
assert(sb.str() == "123456");
|
|
assert(sb.sputc('7') == '7');
|
|
assert(sb.str() == "1234567");
|
|
assert(sb.sputc('8') == '8');
|
|
assert(sb.str() == "12345678");
|
|
assert(sb.sputc('9') == '9');
|
|
assert(sb.str() == "123456789");
|
|
assert(sb.sputc('0') == '0');
|
|
assert(sb.str() == "1234567890");
|
|
assert(sb.sputc('1') == '1');
|
|
assert(sb.str() == "12345678901");
|
|
}
|
|
{
|
|
testbuf<wchar_t> sb(L"abc");
|
|
assert(sb.sputc(L'1') == L'1');
|
|
assert(sb.str() == L"1bc");
|
|
assert(sb.sputc(L'2') == L'2');
|
|
assert(sb.str() == L"12c");
|
|
assert(sb.sputc(L'3') == L'3');
|
|
assert(sb.str() == L"123");
|
|
assert(sb.sputc(L'4') == L'4');
|
|
assert(sb.str() == L"1234");
|
|
assert(sb.sputc(L'5') == L'5');
|
|
assert(sb.str() == L"12345");
|
|
assert(sb.sputc(L'6') == L'6');
|
|
assert(sb.str() == L"123456");
|
|
assert(sb.sputc(L'7') == L'7');
|
|
assert(sb.str() == L"1234567");
|
|
assert(sb.sputc(L'8') == L'8');
|
|
assert(sb.str() == L"12345678");
|
|
assert(sb.sputc(L'9') == L'9');
|
|
assert(sb.str() == L"123456789");
|
|
assert(sb.sputc(L'0') == L'0');
|
|
assert(sb.str() == L"1234567890");
|
|
assert(sb.sputc(L'1') == L'1');
|
|
assert(sb.str() == L"12345678901");
|
|
}
|
|
{
|
|
testbuf<char> sb("abc", std::ios_base::app | std::ios_base::out);
|
|
assert(sb.sputc('1') == '1');
|
|
assert(sb.str() == "abc1");
|
|
assert(sb.sputc('2') == '2');
|
|
assert(sb.str() == "abc12");
|
|
}
|
|
}
|