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 // class ios_base
13
14 // ~ios_base()
15
16 #include <ios>
17 #include <string>
18 #include <locale>
19 #include <cassert>
20
21 class test
22 : public std::ios
23 {
24 public:
test()25 test()
26 {
27 init(0);
28 }
29 };
30
31 bool f1_called = false;
32 bool f2_called = false;
33 bool f3_called = false;
34
f1(std::ios_base::event ev,std::ios_base & stream,int index)35 void f1(std::ios_base::event ev, std::ios_base& stream, int index)
36 {
37 if (ev == std::ios_base::erase_event)
38 {
39 assert(!f1_called);
40 assert( f2_called);
41 assert( f3_called);
42 assert(stream.getloc().name() == "C");
43 assert(index == 4);
44 f1_called = true;
45 }
46 }
47
f2(std::ios_base::event ev,std::ios_base & stream,int index)48 void f2(std::ios_base::event ev, std::ios_base& stream, int index)
49 {
50 if (ev == std::ios_base::erase_event)
51 {
52 assert(!f1_called);
53 assert(!f2_called);
54 assert( f3_called);
55 assert(stream.getloc().name() == "C");
56 assert(index == 5);
57 f2_called = true;
58 }
59 }
60
f3(std::ios_base::event ev,std::ios_base & stream,int index)61 void f3(std::ios_base::event ev, std::ios_base& stream, int index)
62 {
63 if (ev == std::ios_base::erase_event)
64 {
65 assert(!f1_called);
66 assert(!f2_called);
67 assert(!f3_called);
68 assert(stream.getloc().name() == "C");
69 assert(index == 6);
70 f3_called = true;
71 }
72 }
73
main()74 int main()
75 {
76 {
77 test t;
78 std::ios_base& b = t;
79 b.register_callback(f1, 4);
80 b.register_callback(f2, 5);
81 b.register_callback(f3, 6);
82 }
83 assert(f1_called);
84 assert(f2_called);
85 assert(f3_called);
86 }
87