1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // REQUIRES: locale.en_US.UTF-8
10 // REQUIRES: locale.fr_FR.UTF-8
11 
12 // <ios>
13 
14 // template <class charT, class traits> class basic_ios
15 
16 // void move(basic_ios&& rhs);
17 
18 #include <ios>
19 #include <streambuf>
20 #include <cassert>
21 
22 #include "test_macros.h"
23 #include "platform_support.h" // locale name macros
24 
25 struct testbuf
26     : public std::streambuf
27 {
28 };
29 
30 struct testios
31     : public std::ios
32 {
testiostestios33     testios(std::streambuf* p) : std::ios(p) {}
swaptestios34     void swap(std::ios& x) {std::ios::swap(x);}
35 };
36 
37 bool f1_called = false;
38 bool f2_called = false;
39 
40 bool g1_called = false;
41 bool g2_called = false;
42 bool g3_called = false;
43 
f1(std::ios_base::event,std::ios_base &,int index)44 void f1(std::ios_base::event, std::ios_base&, int index)
45 {
46     assert(index == 4);
47     f1_called = true;
48 }
49 
f2(std::ios_base::event,std::ios_base &,int index)50 void f2(std::ios_base::event, std::ios_base&, int index)
51 {
52     assert(index == 5);
53     f2_called = true;
54 }
55 
g1(std::ios_base::event,std::ios_base &,int index)56 void g1(std::ios_base::event, std::ios_base&, int index)
57 {
58     assert(index == 7);
59     g1_called = true;
60 }
61 
g2(std::ios_base::event,std::ios_base &,int index)62 void g2(std::ios_base::event, std::ios_base&, int index)
63 {
64     assert(index == 8);
65     g2_called = true;
66 }
67 
g3(std::ios_base::event,std::ios_base &,int index)68 void g3(std::ios_base::event, std::ios_base&, int index)
69 {
70     assert(index == 9);
71     g3_called = true;
72 }
73 
main(int,char **)74 int main(int, char**)
75 {
76     testbuf sb1;
77     testios ios1(&sb1);
78     ios1.flags(std::ios::boolalpha | std::ios::dec | std::ios::fixed);
79     ios1.precision(1);
80     ios1.width(11);
81     ios1.imbue(std::locale(LOCALE_en_US_UTF_8));
82     ios1.exceptions(std::ios::failbit);
83     ios1.setstate(std::ios::eofbit);
84     ios1.register_callback(f1, 4);
85     ios1.register_callback(f2, 5);
86     ios1.iword(0) = 1;
87     ios1.iword(1) = 2;
88     ios1.iword(2) = 3;
89     char c1, c2, c3;
90     ios1.pword(0) = &c1;
91     ios1.pword(1) = &c2;
92     ios1.pword(2) = &c3;
93     ios1.tie((std::ostream*)1);
94     ios1.fill('1');
95 
96     testbuf sb2;
97     testios ios2(&sb2);
98     ios2.flags(std::ios::showpoint | std::ios::uppercase);
99     ios2.precision(2);
100     ios2.width(12);
101     ios2.imbue(std::locale(LOCALE_fr_FR_UTF_8));
102     ios2.exceptions(std::ios::eofbit);
103     ios2.setstate(std::ios::goodbit);
104     ios2.register_callback(g1, 7);
105     ios2.register_callback(g2, 8);
106     ios2.register_callback(g3, 9);
107     ios2.iword(0) = 4;
108     ios2.iword(1) = 5;
109     ios2.iword(2) = 6;
110     ios2.iword(3) = 7;
111     ios2.iword(4) = 8;
112     ios2.iword(5) = 9;
113     char d1, d2;
114     ios2.pword(0) = &d1;
115     ios2.pword(1) = &d2;
116     ios2.tie((std::ostream*)2);
117     ios2.fill('2');
118 
119     ios1.swap(ios2);
120 
121     assert(ios1.rdstate() == std::ios::goodbit);
122     assert(ios1.rdbuf() == &sb1);
123     assert(ios1.flags() == (std::ios::showpoint | std::ios::uppercase));
124     assert(ios1.precision() == 2);
125     assert(ios1.width() == 12);
126     assert(ios1.getloc().name() == LOCALE_fr_FR_UTF_8);
127     assert(ios1.exceptions() == std::ios::eofbit);
128     assert(!f1_called);
129     assert(!f2_called);
130     assert(!g1_called);
131     assert(!g2_called);
132     assert(!g3_called);
133     assert(ios1.iword(0) == 4);
134     assert(ios1.iword(1) == 5);
135     assert(ios1.iword(2) == 6);
136     assert(ios1.iword(3) == 7);
137     assert(ios1.iword(4) == 8);
138     assert(ios1.iword(5) == 9);
139     assert(ios1.pword(0) == &d1);
140     assert(ios1.pword(1) == &d2);
141     assert(ios1.tie() == (std::ostream*)2);
142     assert(ios1.fill() == '2');
143     ios1.imbue(std::locale("C"));
144     assert(!f1_called);
145     assert(!f2_called);
146     assert(g1_called);
147     assert(g2_called);
148     assert(g3_called);
149 
150     assert(ios2.rdstate() == std::ios::eofbit);
151     assert(ios2.rdbuf() == &sb2);
152     assert(ios2.flags() == (std::ios::boolalpha | std::ios::dec | std::ios::fixed));
153     assert(ios2.precision() == 1);
154     assert(ios2.width() == 11);
155     assert(ios2.getloc().name() == LOCALE_en_US_UTF_8);
156     assert(ios2.exceptions() == std::ios::failbit);
157     assert(ios2.iword(0) == 1);
158     assert(ios2.iword(1) == 2);
159     assert(ios2.iword(2) == 3);
160     assert(ios2.pword(0) == &c1);
161     assert(ios2.pword(1) == &c2);
162     assert(ios2.pword(2) == &c3);
163     assert(ios2.tie() == (std::ostream*)1);
164     assert(ios2.fill() == '1');
165     ios2.imbue(std::locale("C"));
166     assert(f1_called);
167     assert(f2_called);
168 
169   return 0;
170 }
171