1 /*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 #include <cstdio>
17
18 class Foo
19 {
20 public:
~Foo()21 virtual ~Foo() { }
print()22 virtual void print()
23 {
24 std::printf("in Foo!\n");
25 }
26 };
27
28 class Bar: public Foo
29 {
30 public:
print()31 void print()
32 {
33 std::printf("in Bar!\n");
34 }
35 };
36
main()37 int main()
38 {
39 Foo* foo = new Bar();
40 Bar* bar;
41
42 bar = dynamic_cast<Bar*>(foo);
43 if (bar != NULL) {
44 printf("OK: 'foo' is pointing to a Bar class instance.\n");
45 } else {
46 fprintf(stderr, "KO: Could not dynamically cast 'foo' to a 'Bar*'\n");
47 return 1;
48 }
49
50 delete foo;
51 return 0;
52 }
53