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();
MethodHasEmptyDefaultImpl()12   virtual void MethodHasEmptyDefaultImpl() {}
ComplainAboutThis()13   virtual bool ComplainAboutThis() { return true; }
14 };
15 
16 // Stubs to fill in the abstract method
17 class ConcreteVirtualMethodsInHeaders : public VirtualMethodsInHeaders {
18  public:
MethodIsAbstract()19   virtual void MethodIsAbstract() override {}
20 };
21 
22 class ConcreteVirtualMethodsInImplementation
23     : public VirtualMethodsInImplementation {
24  public:
MethodIsAbstract()25   virtual void MethodIsAbstract() override {}
26 };
27 
28 // Fill in the implementations
MethodHasNoArguments()29 void VirtualMethodsInHeaders::MethodHasNoArguments() {}
MethodHasNoArguments()30 void WarnOnMissingVirtual::MethodHasNoArguments() {}
MethodHasNoArguments()31 void VirtualMethodsInImplementation::MethodHasNoArguments() {}
32 
main()33 int main() {
34   ConcreteVirtualMethodsInHeaders one;
35   ConcreteVirtualMethodsInImplementation two;
36 }
37