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 // REQUIRES: locale.en_US.UTF-8
11 // REQUIRES: locale.fr_FR.UTF-8
12
13 // <ios>
14
15 // template <class charT, class traits> class basic_ios
16
17 // basic_ios& copyfmt(const basic_ios& rhs);
18
19 #include <ios>
20 #include <streambuf>
21 #include <cassert>
22
23 #include "platform_support.h" // locale name macros
24
25 struct testbuf
26 : public std::streambuf
27 {
28 };
29
30 bool f1_called = false;
31 bool f2_called = false;
32
33 bool g1_called = false;
34 bool g2_called = false;
35 bool g3_called = false;
36
f1(std::ios_base::event ev,std::ios_base & stream,int index)37 void f1(std::ios_base::event ev, std::ios_base& stream, int index)
38 {
39 if (ev == std::ios_base::erase_event)
40 {
41 assert(!f1_called);
42 assert( f2_called);
43 assert(!g1_called);
44 assert(!g2_called);
45 assert(!g3_called);
46 assert(stream.getloc().name() == LOCALE_en_US_UTF_8);
47 assert(index == 4);
48 f1_called = true;
49 }
50 }
51
f2(std::ios_base::event ev,std::ios_base & stream,int index)52 void f2(std::ios_base::event ev, std::ios_base& stream, int index)
53 {
54 if (ev == std::ios_base::erase_event)
55 {
56 assert(!f1_called);
57 assert(!f2_called);
58 assert(!g1_called);
59 assert(!g2_called);
60 assert(!g3_called);
61 assert(stream.getloc().name() == LOCALE_en_US_UTF_8);
62 assert(index == 5);
63 f2_called = true;
64 }
65 }
66
g1(std::ios_base::event ev,std::ios_base & stream,int index)67 void g1(std::ios_base::event ev, std::ios_base& stream, int index)
68 {
69 if (ev == std::ios_base::copyfmt_event)
70 {
71 assert( f1_called);
72 assert( f2_called);
73 assert(!g1_called);
74 assert( g2_called);
75 assert( g3_called);
76 assert(stream.getloc().name() == LOCALE_fr_FR_UTF_8);
77 assert(index == 7);
78 g1_called = true;
79 }
80 }
81
g2(std::ios_base::event ev,std::ios_base & stream,int index)82 void g2(std::ios_base::event ev, std::ios_base& stream, int index)
83 {
84 if (ev == std::ios_base::copyfmt_event)
85 {
86 assert( f1_called);
87 assert( f2_called);
88 assert(!g1_called);
89 assert(!g2_called);
90 assert( g3_called);
91 assert(stream.getloc().name() == LOCALE_fr_FR_UTF_8);
92 assert(index == 8);
93 g2_called = true;
94 }
95 }
96
g3(std::ios_base::event ev,std::ios_base & stream,int index)97 void g3(std::ios_base::event ev, std::ios_base& stream, int index)
98 {
99 if (ev == std::ios_base::copyfmt_event)
100 {
101 assert( f1_called);
102 assert( f2_called);
103 assert(!g1_called);
104 assert(!g2_called);
105 assert(!g3_called);
106 assert(stream.getloc().name() == LOCALE_fr_FR_UTF_8);
107 assert(index == 9);
108 g3_called = true;
109 }
110 }
111
main()112 int main()
113 {
114 testbuf sb1;
115 std::ios ios1(&sb1);
116 ios1.flags(std::ios::boolalpha | std::ios::dec | std::ios::fixed);
117 ios1.precision(1);
118 ios1.width(11);
119 ios1.imbue(std::locale(LOCALE_en_US_UTF_8));
120 ios1.exceptions(std::ios::failbit);
121 ios1.setstate(std::ios::eofbit);
122 ios1.register_callback(f1, 4);
123 ios1.register_callback(f2, 5);
124 ios1.iword(0) = 1;
125 ios1.iword(1) = 2;
126 ios1.iword(2) = 3;
127 char c1, c2, c3;
128 ios1.pword(0) = &c1;
129 ios1.pword(1) = &c2;
130 ios1.pword(2) = &c3;
131 ios1.tie((std::ostream*)1);
132 ios1.fill('1');
133
134 testbuf sb2;
135 std::ios ios2(&sb2);
136 ios2.flags(std::ios::showpoint | std::ios::uppercase);
137 ios2.precision(2);
138 ios2.width(12);
139 ios2.imbue(std::locale(LOCALE_fr_FR_UTF_8));
140 ios2.exceptions(std::ios::eofbit);
141 ios2.setstate(std::ios::goodbit);
142 ios2.register_callback(g1, 7);
143 ios2.register_callback(g2, 8);
144 ios2.register_callback(g3, 9);
145 ios2.iword(0) = 4;
146 ios2.iword(1) = 5;
147 ios2.iword(2) = 6;
148 ios2.iword(3) = 7;
149 ios2.iword(4) = 8;
150 ios2.iword(5) = 9;
151 char d1, d2;
152 ios2.pword(0) = &d1;
153 ios2.pword(1) = &d2;
154 ios2.tie((std::ostream*)2);
155 ios2.fill('2');
156
157 ios1.copyfmt(ios1);
158 assert(!f1_called);
159
160 try
161 {
162 ios1.copyfmt(ios2);
163 assert(false);
164 }
165 catch (std::ios_base::failure&)
166 {
167 }
168 assert(ios1.rdstate() == std::ios::eofbit);
169 assert(ios1.rdbuf() == &sb1);
170 assert(ios1.flags() == (std::ios::showpoint | std::ios::uppercase));
171 assert(ios1.precision() == 2);
172 assert(ios1.width() == 12);
173 assert(ios1.getloc().name() == LOCALE_fr_FR_UTF_8);
174 assert(ios1.exceptions() == std::ios::eofbit);
175 assert(f1_called);
176 assert(f2_called);
177 assert(g1_called);
178 assert(g2_called);
179 assert(g3_called);
180 assert(ios1.iword(0) == 4);
181 assert(ios1.iword(1) == 5);
182 assert(ios1.iword(2) == 6);
183 assert(ios1.iword(3) == 7);
184 assert(ios1.iword(4) == 8);
185 assert(ios1.iword(5) == 9);
186 assert(ios1.pword(0) == &d1);
187 assert(ios1.pword(1) == &d2);
188 assert(ios1.tie() == (std::ostream*)2);
189 assert(ios1.fill() == '2');
190 }
191