tools/clang/plugins/tests/virtual_methods.cpp

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "virtual_methods.h"
   6
   7 // Shouldn't warn about method usage in the implementation file.
   8 class VirtualMethodsInImplementation {
   9  public:
  10   virtual void MethodIsAbstract() = 0;
  11   virtual void MethodHasNoArguments();
  12   virtual void MethodHasEmptyDefaultImpl() {}
  13   virtual bool ComplainAboutThis() { return true; }
  14 };
  15
  16 // Stubs to fill in the abstract method
  17 class ConcreteVirtualMethodsInHeaders : public VirtualMethodsInHeaders {
  18  public:
  19   virtual void MethodIsAbstract() override {}
  20 };
  21
  22 class ConcreteVirtualMethodsInImplementation
  23     : public VirtualMethodsInImplementation {
  24  public:
  25   virtual void MethodIsAbstract() override {}
  26 };
  27
  28 // Fill in the implementations
  29 void VirtualMethodsInHeaders::MethodHasNoArguments() {}
  30 void WarnOnMissingVirtual::MethodHasNoArguments() {}
  31 void VirtualMethodsInImplementation::MethodHasNoArguments() {}
  32
  33 int main() {
  34   ConcreteVirtualMethodsInHeaders one;
  35   ConcreteVirtualMethodsInImplementation two;
  36 }