btrfs: Attempt to fix GCC2 build.
[haiku.git] / src / tests / misc / rtti-test.cpp
blobe633a0f7892c7714811f5c4ea5503332d4ec8894
1 #include <stdio.h>
3 #include <string>
4 #include <typeinfo>
6 #include <Directory.h>
7 #include <File.h>
9 using std::string;
11 struct A {
12 A() {}
13 virtual ~A() {}
15 int a;
18 struct B : A {
19 B() {}
20 virtual ~B() {}
22 int b;
25 struct C : A {
26 C() {}
27 virtual ~C() {}
29 int c;
32 template<typename A, typename B, typename C>
33 static void
34 rtti_test(A *a, const char *inputClass, const char *classNameA,
35 const char *classNameB, const char *classNameC)
37 printf("class %s\n", inputClass);
38 printf(" dynamic_cast<%s*>(a): %p\n", classNameA, dynamic_cast<A*>(a));
39 printf(" dynamic_cast<%s*>(a): %p\n", classNameB, dynamic_cast<B*>(a));
40 printf(" dynamic_cast<%s*>(a): %p\n", classNameC, dynamic_cast<C*>(a));
41 const std::type_info *info = &typeid(*a);
42 printf(" typeinfo: %p, name: %s\n", info, (info ? info->name() : NULL));
45 int
46 main()
48 // test with artificial classes defined in this file
50 #define RTTI_TEST(obj, className) rtti_test<A, B, C>(obj, className, \
51 "A", "B", "C")
53 A a;
54 B b;
55 C c;
57 printf("A: %p (vtable: %p)\n", &a, *(void**)&a);
58 printf("B: %p (vtable: %p)\n", &b, *(void**)&b);
59 printf("C: %p (vtable: %p)\n", &c, *(void**)&c);
61 RTTI_TEST(&a, "A");
62 RTTI_TEST(&b, "B");
63 RTTI_TEST(&c, "C");
66 // test with real classes defined in a library
68 #undef RTTI_TEST
69 #define RTTI_TEST(obj, className) rtti_test<BNode, BFile, BDirectory>(obj, \
70 className, "BNode", "BFile", "BDirectory")
72 BNode node;
73 BFile file;
74 BDirectory dir;
76 printf("BNode: %p (vtable: %p)\n", &node, *(void**)&node);
77 printf("BFile: %p (vtable: %p)\n", &file, *(void**)&file);
78 printf("BDirectory: %p (vtable: %p)\n", &dir, *(void**)&dir);
80 RTTI_TEST(&node, "BNode");
81 RTTI_TEST(&file, "BFile");
82 RTTI_TEST(&dir, "BDirectory");
84 return 0;