move.pass.cpp revision c0d0cbad9ed434267a7af9531bdeeae52eb6d706 
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
22struct testbuf
23    : public std::streambuf
24{
25};
26
27struct 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
35bool f1_called = false;
36bool f2_called = false;
37
38bool g1_called = false;
39bool g2_called = false;
40bool g3_called = false;
41
42void f1(std::ios_base::event ev, std::ios_base& stream, int index)
43{
44    f1_called = true;
45}
46
47void f2(std::ios_base::event ev, std::ios_base& stream, int index)
48{
49    f2_called = true;
50}
51
52void 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
61void 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
70void 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
79int 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