ctor_streambuf.pass.cpp revision f5256e16dfc425c1d466f6308d4026d529ce9e0b 
1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <ios>
11
12// template <class charT, class traits> class basic_ios
13
14// explicit basic_ios(basic_streambuf<charT,traits>* sb);
15
16#include <ios>
17#include <streambuf>
18#include <cassert>
19
20int main()
21{
22    {
23        std::streambuf* sb = 0;
24        std::basic_ios<char> ios(sb);
25        assert(ios.rdbuf() == sb);
26        assert(ios.tie() == 0);
27        assert(ios.rdstate() == std::ios::badbit);
28        assert(ios.exceptions() == std::ios::goodbit);
29        assert(ios.flags() == (std::ios::skipws | std::ios::dec));
30        assert(ios.width() == 0);
31        assert(ios.precision() == 6);
32        assert(ios.fill() == ' ');
33        assert(ios.getloc() == std::locale());
34    }
35    {
36        std::streambuf* sb = (std::streambuf*)1;
37        std::basic_ios<char> ios(sb);
38        assert(ios.rdbuf() == sb);
39        assert(ios.tie() == 0);
40        assert(ios.rdstate() == std::ios::goodbit);
41        assert(ios.exceptions() == std::ios::goodbit);
42        assert(ios.flags() == (std::ios::skipws | std::ios::dec));
43        assert(ios.width() == 0);
44        assert(ios.precision() == 6);
45        assert(ios.fill() == ' ');
46        assert(ios.getloc() == std::locale());
47    }
48}
49