Added small RTTI test.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@14916 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/tests/Jamfile

@@ -29,4 +29,5 @@ SubInclude HAIKU_TOP src tests apps ;
 SubInclude HAIKU_TOP src tests bin ;
 SubInclude HAIKU_TOP src tests kernel ;
 SubInclude HAIKU_TOP src tests kits ;
+SubInclude HAIKU_TOP src tests misc ;
 SubInclude HAIKU_TOP src tests servers ;

src/tests/misc/Jamfile

@@ -0,0 +1,5 @@
+SubDir HAIKU_TOP src tests misc ;
+
+SetSubDirSupportedPlatformsBeOSCompatible ;
+
+SimpleTest rtti-test : rtti-test.cpp : be ;

src/tests/misc/rtti-test.cpp

@@ -0,0 +1,85 @@
+#include <stdio.h>
+
+#include <string>
+#include <typeinfo>
+
+#include <Directory.h>
+#include <File.h>
+
+using std::string;
+
+struct A {
+	A()	{}
+	virtual ~A() {}
+
+	int a;
+};
+
+struct B : A {
+	B()	{}
+	virtual ~B() {}
+
+	int b;
+};
+
+struct C : A {
+	C()	{}
+	virtual ~C() {}
+
+	int c;
+};
+
+template<typename A, typename B, typename C>
+static void
+rtti_test(A *a, const char *inputClass, const char *classNameA,
+	const char *classNameB, const char *classNameC)
+{
+	printf("class %s\n", inputClass);
+	printf("  dynamic_cast<%s*>(a): %p\n", classNameA, dynamic_cast<A*>(a));
+	printf("  dynamic_cast<%s*>(a): %p\n", classNameB, dynamic_cast<B*>(a));
+	printf("  dynamic_cast<%s*>(a): %p\n", classNameC, dynamic_cast<C*>(a));
+	const std::type_info *info = &typeid(*a);
+	printf("  typeinfo: %p, name: %s\n", info, (info ? info->name() : NULL));
+}
+
+int
+main()
+{
+	// test with artificial classes defined in this file
+	
+	#define RTTI_TEST(obj, className) rtti_test<A, B, C>(obj, className, \
+		"A", "B", "C")
+	
+	A a;
+	B b;
+	C c;
+
+	printf("A: %p\n", &a);
+	printf("B: %p\n", &b);
+	printf("C: %p\n", &c);
+
+	RTTI_TEST(&a, "A");
+	RTTI_TEST(&b, "B");
+	RTTI_TEST(&c, "C");
+
+	
+	// test with real classes defined in a library
+
+	#undef RTTI_TEST
+	#define RTTI_TEST(obj, className) rtti_test<BNode, BFile, BDirectory>(obj, \
+		className, "BNode", "BFile", "BDirectory")
+	
+	BNode node;
+	BFile file;
+	BDirectory dir;
+
+	printf("BNode:      %p\n", &node);
+	printf("BFile:      %p\n", &file);
+	printf("BDirectory: %p\n", &dir);
+
+	RTTI_TEST(&node, "BNode");
+	RTTI_TEST(&file, "BFile");
+	RTTI_TEST(&dir, "BDirectory");
+
+	return 0;
+}