| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| #include <cstdio> |
| |
| class Foo |
| { |
| public: |
| virtual ~Foo() { } |
| virtual void print() |
| { |
| std::printf("in Foo!\n"); |
| } |
| }; |
| |
| class Bar: public Foo |
| { |
| public: |
| void print() |
| { |
| std::printf("in Bar!\n"); |
| } |
| }; |
| |
| int main() |
| { |
| Foo* foo = new Bar(); |
| Bar* bar; |
| |
| bar = dynamic_cast<Bar*>(foo); |
| if (bar != NULL) { |
| printf("OK: 'foo' is pointing to a Bar class instance.\n"); |
| } else { |
| fprintf(stderr, "KO: Could not dynamically cast 'foo' to a 'Bar*'\n"); |
| return 1; |
| } |
| |
| delete foo; |
| return 0; |
| } |