/* * 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; }