setbase.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// T3 setbase(int base);
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::setbase(8);
30        assert((is.flags() & std::ios_base::basefield) == std::ios_base::oct);
31        is >> std::setbase(10);
32        assert((is.flags() & std::ios_base::basefield) == std::ios_base::dec);
33        is >> std::setbase(16);
34        assert((is.flags() & std::ios_base::basefield) == std::ios_base::hex);
35        is >> std::setbase(15);
36        assert((is.flags() & std::ios_base::basefield) == 0);
37    }
38    {
39        testbuf<char> sb;
40        std::ostream os(&sb);
41        os << std::setbase(8);
42        assert((os.flags() & std::ios_base::basefield) == std::ios_base::oct);
43        os << std::setbase(10);
44        assert((os.flags() & std::ios_base::basefield) == std::ios_base::dec);
45        os << std::setbase(16);
46        assert((os.flags() & std::ios_base::basefield) == std::ios_base::hex);
47        os << std::setbase(15);
48        assert((os.flags() & std::ios_base::basefield) == 0);
49    }
50    {
51        testbuf<wchar_t> sb;
52        std::wistream is(&sb);
53        is >> std::setbase(8);
54        assert((is.flags() & std::ios_base::basefield) == std::ios_base::oct);
55        is >> std::setbase(10);
56        assert((is.flags() & std::ios_base::basefield) == std::ios_base::dec);
57        is >> std::setbase(16);
58        assert((is.flags() & std::ios_base::basefield) == std::ios_base::hex);
59        is >> std::setbase(15);
60        assert((is.flags() & std::ios_base::basefield) == 0);
61    }
62    {
63        testbuf<wchar_t> sb;
64        std::wostream os(&sb);
65        os << std::setbase(8);
66        assert((os.flags() & std::ios_base::basefield) == std::ios_base::oct);
67        os << std::setbase(10);
68        assert((os.flags() & std::ios_base::basefield) == std::ios_base::dec);
69        os << std::setbase(16);
70        assert((os.flags() & std::ios_base::basefield) == std::ios_base::hex);
71        os << std::setbase(15);
72        assert((os.flags() & std::ios_base::basefield) == 0);
73    }
74}
75