move_assign.pass.cpp revision bc8d3f97eb5c958007f2713238472e0c1c8fe02c 
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// <ostream>
11
12// template <class charT, class traits = char_traits<charT> >
13// class basic_ostream;
14
15// basic_ostream& operator=(basic_ostream&& rhs);
16
17#include <ostream>
18#include <cassert>
19
20#ifdef _LIBCPP_MOVE
21
22template <class CharT>
23struct testbuf
24    : public std::basic_streambuf<CharT>
25{
26    testbuf() {}
27};
28
29template <class CharT>
30struct test_ostream
31    : public std::basic_ostream<CharT>
32{
33    typedef std::basic_ostream<CharT> base;
34    test_ostream(testbuf<CharT>* sb) : base(sb) {}
35
36    test_ostream& operator=(test_ostream&& s)
37        {base::operator=(std::move(s)); return *this;}
38};
39
40#endif
41
42int main()
43{
44#ifdef _LIBCPP_MOVE
45    {
46        testbuf<char> sb1;
47        testbuf<char> sb2;
48        test_ostream<char> os1(&sb1);
49        test_ostream<char> os2(&sb2);
50        os2 = (std::move(os1));
51        assert(os1.rdbuf() == &sb1);
52        assert(os1.tie() == 0);
53        assert(os1.fill() == ' ');
54        assert(os1.rdstate() == os1.goodbit);
55        assert(os1.exceptions() == os1.goodbit);
56        assert(os1.flags() == (os1.skipws | os1.dec));
57        assert(os1.precision() == 6);
58        assert(os1.getloc().name() == "C");
59        assert(os2.rdbuf() == &sb2);
60        assert(os2.tie() == 0);
61        assert(os2.fill() == ' ');
62        assert(os2.rdstate() == os2.goodbit);
63        assert(os2.exceptions() == os2.goodbit);
64        assert(os2.flags() == (os2.skipws | os2.dec));
65        assert(os2.precision() == 6);
66        assert(os2.getloc().name() == "C");
67    }
68    {
69        testbuf<wchar_t> sb1;
70        testbuf<wchar_t> sb2;
71        test_ostream<wchar_t> os1(&sb1);
72        test_ostream<wchar_t> os2(&sb2);
73        os2 = (std::move(os1));
74        assert(os1.rdbuf() == &sb1);
75        assert(os1.tie() == 0);
76        assert(os1.fill() == ' ');
77        assert(os1.rdstate() == os1.goodbit);
78        assert(os1.exceptions() == os1.goodbit);
79        assert(os1.flags() == (os1.skipws | os1.dec));
80        assert(os1.precision() == 6);
81        assert(os1.getloc().name() == "C");
82        assert(os2.rdbuf() == &sb2);
83        assert(os2.tie() == 0);
84        assert(os2.fill() == ' ');
85        assert(os2.rdstate() == os2.goodbit);
86        assert(os2.exceptions() == os2.goodbit);
87        assert(os2.flags() == (os2.skipws | os2.dec));
88        assert(os2.precision() == 6);
89        assert(os2.getloc().name() == "C");
90    }
91#endif
92}
93