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 #include "test_macros.h"
26
27 struct testbuf
28 : public std::streambuf
29 {
30 };
31
32 bool f1_called = false;
33 bool f2_called = false;
34
35 bool g1_called = false;
36 bool g2_called = false;
37 bool g3_called = false;
38
f1(std::ios_base::event ev,std::ios_base & stream,int index)39 void f1(std::ios_base::event ev, std::ios_base& stream, int index)
40 {
41 if (ev == std::ios_base::erase_event)
42 {
43 assert(!f1_called);
44 assert( f2_called);
45 assert(!g1_called);
46 assert(!g2_called);
47 assert(!g3_called);
48 assert(stream.getloc().name() == LOCALE_en_US_UTF_8);
49 assert(index == 4);
50 f1_called = true;
51 }
52 }
53
f2(std::ios_base::event ev,std::ios_base & stream,int index)54 void f2(std::ios_base::event ev, std::ios_base& stream, int index)
55 {
56 if (ev == std::ios_base::erase_event)
57 {
58 assert(!f1_called);
59 assert(!f2_called);
60 assert(!g1_called);
61 assert(!g2_called);
62 assert(!g3_called);
63 assert(stream.getloc().name() == LOCALE_en_US_UTF_8);
64 assert(index == 5);
65 f2_called = true;
66 }
67 }
68
g1(std::ios_base::event ev,std::ios_base & stream,int index)69 void g1(std::ios_base::event ev, std::ios_base& stream, int index)
70 {
71 if (ev == std::ios_base::copyfmt_event)
72 {
73 assert( f1_called);
74 assert( f2_called);
75 assert(!g1_called);
76 assert( g2_called);
77 assert( g3_called);
78 assert(stream.getloc().name() == LOCALE_fr_FR_UTF_8);
79 assert(index == 7);
80 g1_called = true;
81 }
82 }
83
g2(std::ios_base::event ev,std::ios_base & stream,int index)84 void g2(std::ios_base::event ev, std::ios_base& stream, int index)
85 {
86 if (ev == std::ios_base::copyfmt_event)
87 {
88 assert( f1_called);
89 assert( f2_called);
90 assert(!g1_called);
91 assert(!g2_called);
92 assert( g3_called);
93 assert(stream.getloc().name() == LOCALE_fr_FR_UTF_8);
94 assert(index == 8);
95 g2_called = true;
96 }
97 }
98
g3(std::ios_base::event ev,std::ios_base & stream,int index)99 void g3(std::ios_base::event ev, std::ios_base& stream, int index)
100 {
101 if (ev == std::ios_base::copyfmt_event)
102 {
103 assert( f1_called);
104 assert( f2_called);
105 assert(!g1_called);
106 assert(!g2_called);
107 assert(!g3_called);
108 assert(stream.getloc().name() == LOCALE_fr_FR_UTF_8);
109 assert(index == 9);
110 g3_called = true;
111 }
112 }
113
main()114 int main()
115 {
116 testbuf sb1;
117 std::ios ios1(&sb1);
118 ios1.flags(std::ios::boolalpha | std::ios::dec | std::ios::fixed);
119 ios1.precision(1);
120 ios1.width(11);
121 ios1.imbue(std::locale(LOCALE_en_US_UTF_8));
122 ios1.exceptions(std::ios::failbit);
123 ios1.setstate(std::ios::eofbit);
124 ios1.register_callback(f1, 4);
125 ios1.register_callback(f2, 5);
126 ios1.iword(0) = 1;
127 ios1.iword(1) = 2;
128 ios1.iword(2) = 3;
129 char c1, c2, c3;
130 ios1.pword(0) = &c1;
131 ios1.pword(1) = &c2;
132 ios1.pword(2) = &c3;
133 ios1.tie((std::ostream*)1);
134 ios1.fill('1');
135
136 testbuf sb2;
137 std::ios ios2(&sb2);
138 ios2.flags(std::ios::showpoint | std::ios::uppercase);
139 ios2.precision(2);
140 ios2.width(12);
141 ios2.imbue(std::locale(LOCALE_fr_FR_UTF_8));
142 ios2.exceptions(std::ios::eofbit);
143 ios2.setstate(std::ios::goodbit);
144 ios2.register_callback(g1, 7);
145 ios2.register_callback(g2, 8);
146 ios2.register_callback(g3, 9);
147 ios2.iword(0) = 4;
148 ios2.iword(1) = 5;
149 ios2.iword(2) = 6;
150 ios2.iword(3) = 7;
151 ios2.iword(4) = 8;
152 ios2.iword(5) = 9;
153 char d1, d2;
154 ios2.pword(0) = &d1;
155 ios2.pword(1) = &d2;
156 ios2.tie((std::ostream*)2);
157 ios2.fill('2');
158
159 ios1.copyfmt(ios1);
160 assert(!f1_called);
161
162 #ifndef TEST_HAS_NO_EXCEPTIONS
163 try
164 {
165 ios1.copyfmt(ios2);
166 assert(false);
167 }
168 catch (std::ios_base::failure&)
169 {
170 }
171 assert(ios1.rdstate() == std::ios::eofbit);
172 assert(ios1.rdbuf() == &sb1);
173 assert(ios1.flags() == (std::ios::showpoint | std::ios::uppercase));
174 assert(ios1.precision() == 2);
175 assert(ios1.width() == 12);
176 assert(ios1.getloc().name() == LOCALE_fr_FR_UTF_8);
177 assert(ios1.exceptions() == std::ios::eofbit);
178 assert(f1_called);
179 assert(f2_called);
180 assert(g1_called);
181 assert(g2_called);
182 assert(g3_called);
183 assert(ios1.iword(0) == 4);
184 assert(ios1.iword(1) == 5);
185 assert(ios1.iword(2) == 6);
186 assert(ios1.iword(3) == 7);
187 assert(ios1.iword(4) == 8);
188 assert(ios1.iword(5) == 9);
189 assert(ios1.pword(0) == &d1);
190 assert(ios1.pword(1) == &d2);
191 assert(ios1.tie() == (std::ostream*)2);
192 assert(ios1.fill() == '2');
193 #endif
194 }
195