move.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// void move(basic_ios&& rhs);
15
16#include <ios>
17#include <streambuf>
18#include <cassert>
19
20struct testbuf
21    : public std::streambuf
22{
23};
24
25struct testios
26    : public std::ios
27{
28    testios() {}
29    testios(std::streambuf* p) : std::ios(p) {}
30    void move(std::ios& x) {std::ios::move(x);}
31};
32
33bool f1_called = false;
34bool f2_called = false;
35
36bool g1_called = false;
37bool g2_called = false;
38bool g3_called = false;
39
40void f1(std::ios_base::event ev, std::ios_base& stream, int index)
41{
42    f1_called = true;
43}
44
45void f2(std::ios_base::event ev, std::ios_base& stream, int index)
46{
47    f2_called = true;
48}
49
50void g1(std::ios_base::event ev, std::ios_base& stream, int index)
51{
52    if (ev == std::ios_base::imbue_event)
53    {
54        assert(index == 7);
55        g1_called = true;
56    }
57}
58
59void g2(std::ios_base::event ev, std::ios_base& stream, int index)
60{
61    if (ev == std::ios_base::imbue_event)
62    {
63        assert(index == 8);
64        g2_called = true;
65    }
66}
67
68void g3(std::ios_base::event ev, std::ios_base& stream, int index)
69{
70    if (ev == std::ios_base::imbue_event)
71    {
72        assert(index == 9);
73        g3_called = true;
74    }
75}
76
77int main()
78{
79    testios ios1;
80    testbuf sb2;
81    std::ios ios2(&sb2);
82    ios2.flags(std::ios::showpoint | std::ios::uppercase);
83    ios2.precision(2);
84    ios2.width(12);
85    ios2.imbue(std::locale("fr_FR"));
86    ios2.exceptions(std::ios::eofbit);
87    ios2.setstate(std::ios::goodbit);
88    ios2.register_callback(g1, 7);
89    ios2.register_callback(g2, 8);
90    ios2.register_callback(g3, 9);
91    ios2.iword(0) = 4;
92    ios2.iword(1) = 5;
93    ios2.iword(2) = 6;
94    ios2.iword(3) = 7;
95    ios2.iword(4) = 8;
96    ios2.iword(5) = 9;
97    char d1, d2;
98    ios2.pword(0) = &d1;
99    ios2.pword(1) = &d2;
100    ios2.tie((std::ostream*)2);
101    ios2.fill('2');
102
103    ios1.move(ios2);
104
105    assert(ios1.rdstate() == std::ios::goodbit);
106    assert(ios1.rdbuf() == 0);
107    assert(ios1.flags() == (std::ios::showpoint | std::ios::uppercase));
108    assert(ios1.precision() == 2);
109    assert(ios1.width() == 12);
110    assert(ios1.getloc().name() == "fr_FR");
111    assert(ios1.exceptions() == std::ios::eofbit);
112    assert(!f1_called);
113    assert(!f2_called);
114    assert(!g1_called);
115    assert(!g2_called);
116    assert(!g3_called);
117    assert(ios1.iword(0) == 4);
118    assert(ios1.iword(1) == 5);
119    assert(ios1.iword(2) == 6);
120    assert(ios1.iword(3) == 7);
121    assert(ios1.iword(4) == 8);
122    assert(ios1.iword(5) == 9);
123    assert(ios1.pword(0) == &d1);
124    assert(ios1.pword(1) == &d2);
125    assert(ios1.tie() == (std::ostream*)2);
126    assert(ios1.fill() == '2');
127    ios1.imbue(std::locale("C"));
128    assert(!f1_called);
129    assert(!f2_called);
130    assert(g1_called);
131    assert(g2_called);
132    assert(g3_called);
133
134    assert(ios2.rdbuf() == &sb2);
135    assert(ios2.tie() == 0);
136}
137