1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. 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 
20 #include "platform_support.h" // locale name macros
21 
22 struct testbuf
23     : public std::streambuf
24 {
25 };
26 
27 struct testios
28     : public std::ios
29 {
30     testios() {}
31     testios(std::streambuf* p) : std::ios(p) {}
32     void move(std::ios& x) {std::ios::move(x);}
33 };
34 
35 bool f1_called = false;
36 bool f2_called = false;
37 
38 bool g1_called = false;
39 bool g2_called = false;
40 bool g3_called = false;
41 
42 void f1(std::ios_base::event ev, std::ios_base& stream, int index)
43 {
44     f1_called = true;
45 }
46 
47 void f2(std::ios_base::event ev, std::ios_base& stream, int index)
48 {
49     f2_called = true;
50 }
51 
52 void g1(std::ios_base::event ev, std::ios_base& stream, int index)
53 {
54     if (ev == std::ios_base::imbue_event)
55     {
56         assert(index == 7);
57         g1_called = true;
58     }
59 }
60 
61 void g2(std::ios_base::event ev, std::ios_base& stream, int index)
62 {
63     if (ev == std::ios_base::imbue_event)
64     {
65         assert(index == 8);
66         g2_called = true;
67     }
68 }
69 
70 void g3(std::ios_base::event ev, std::ios_base& stream, int index)
71 {
72     if (ev == std::ios_base::imbue_event)
73     {
74         assert(index == 9);
75         g3_called = true;
76     }
77 }
78 
79 int main()
80 {
81     testios ios1;
82     testbuf sb2;
83     std::ios ios2(&sb2);
84     ios2.flags(std::ios::showpoint | std::ios::uppercase);
85     ios2.precision(2);
86     ios2.width(12);
87     ios2.imbue(std::locale(LOCALE_fr_FR_UTF_8));
88     ios2.exceptions(std::ios::eofbit);
89     ios2.setstate(std::ios::goodbit);
90     ios2.register_callback(g1, 7);
91     ios2.register_callback(g2, 8);
92     ios2.register_callback(g3, 9);
93     ios2.iword(0) = 4;
94     ios2.iword(1) = 5;
95     ios2.iword(2) = 6;
96     ios2.iword(3) = 7;
97     ios2.iword(4) = 8;
98     ios2.iword(5) = 9;
99     char d1, d2;
100     ios2.pword(0) = &d1;
101     ios2.pword(1) = &d2;
102     ios2.tie((std::ostream*)2);
103     ios2.fill('2');
104 
105     ios1.move(ios2);
106 
107     assert(ios1.rdstate() == std::ios::goodbit);
108     assert(ios1.rdbuf() == 0);
109     assert(ios1.flags() == (std::ios::showpoint | std::ios::uppercase));
110     assert(ios1.precision() == 2);
111     assert(ios1.width() == 12);
112     assert(ios1.getloc().name() == LOCALE_fr_FR_UTF_8);
113     assert(ios1.exceptions() == std::ios::eofbit);
114     assert(!f1_called);
115     assert(!f2_called);
116     assert(!g1_called);
117     assert(!g2_called);
118     assert(!g3_called);
119     assert(ios1.iword(0) == 4);
120     assert(ios1.iword(1) == 5);
121     assert(ios1.iword(2) == 6);
122     assert(ios1.iword(3) == 7);
123     assert(ios1.iword(4) == 8);
124     assert(ios1.iword(5) == 9);
125     assert(ios1.pword(0) == &d1);
126     assert(ios1.pword(1) == &d2);
127     assert(ios1.tie() == (std::ostream*)2);
128     assert(ios1.fill() == '2');
129     ios1.imbue(std::locale("C"));
130     assert(!f1_called);
131     assert(!f2_called);
132     assert(g1_called);
133     assert(g2_called);
134     assert(g3_called);
135 
136     assert(ios2.rdbuf() == &sb2);
137     assert(ios2.tie() == 0);
138 }
139