setw.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// <iomanip>
11
12// T6 setw(int n);
13
14#include <iomanip>
15#include <cassert>
16
17template <class CharT>
18struct testbuf
19    : public std::basic_streambuf<CharT>
20{
21    testbuf() {}
22};
23
24int main()
25{
26    {
27        testbuf<char> sb;
28        std::istream is(&sb);
29        is >> std::setw(10);
30        assert(is.width() == 10);
31    }
32    {
33        testbuf<char> sb;
34        std::ostream os(&sb);
35        os << std::setw(10);
36        assert(os.width() == 10);
37    }
38    {
39        testbuf<wchar_t> sb;
40        std::wistream is(&sb);
41        is >> std::setw(10);
42        assert(is.width() == 10);
43    }
44    {
45        testbuf<wchar_t> sb;
46        std::wostream os(&sb);
47        os << std::setw(10);
48        assert(os.width() == 10);
49    }
50}
51