зеркало из https://github.com/mozilla/gecko-dev.git
576 строки
20 KiB
C++
576 строки
20 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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// vim:cindent:ts=4:et:sw=4:
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is TestCOMPtrEq.cpp.
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*
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* The Initial Developer of the Original Code is
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* L. David Baron.
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* Portions created by the Initial Developer are Copyright (C) 2001
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* L. David Baron <dbaron@dbaron.org> (original author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsAutoPtr.h"
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#include <stdio.h>
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#include "nscore.h"
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class TestObjectBaseA {
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public:
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// Virtual dtor for deleting through base class pointer
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virtual ~TestObjectBaseA() { };
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int fooA;
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};
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class TestObjectBaseB {
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public:
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// Virtual dtor for deleting through base class pointer
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virtual ~TestObjectBaseB() { };
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int fooB;
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};
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class TestObject : public TestObjectBaseA, public TestObjectBaseB {
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public:
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TestObject()
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{
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printf(" Creating TestObject %p.\n",
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static_cast<void*>(this));
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}
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// Virtual dtor for deleting through base class pointer
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virtual ~TestObject()
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{
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printf(" Destroying TestObject %p.\n",
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static_cast<void*>(this));
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}
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};
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class TestRefObjectBaseA {
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public:
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int fooA;
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// Must return |nsrefcnt| to keep |nsDerivedSafe| happy.
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virtual nsrefcnt AddRef() = 0;
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virtual nsrefcnt Release() = 0;
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};
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class TestRefObjectBaseB {
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public:
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int fooB;
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virtual nsrefcnt AddRef() = 0;
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virtual nsrefcnt Release() = 0;
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};
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class TestRefObject : public TestRefObjectBaseA, public TestRefObjectBaseB {
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public:
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TestRefObject()
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: mRefCount(0)
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{
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printf(" Creating TestRefObject %p.\n",
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static_cast<void*>(this));
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}
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~TestRefObject()
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{
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printf(" Destroying TestRefObject %p.\n",
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static_cast<void*>(this));
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}
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nsrefcnt AddRef()
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{
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++mRefCount;
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printf(" AddRef to %d on TestRefObject %p.\n",
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mRefCount, static_cast<void*>(this));
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return mRefCount;
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}
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nsrefcnt Release()
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{
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--mRefCount;
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printf(" Release to %d on TestRefObject %p.\n",
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mRefCount, static_cast<void*>(this));
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if (mRefCount == 0) {
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delete const_cast<TestRefObject*>(this);
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return 0;
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}
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return mRefCount;
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}
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protected:
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PRUint32 mRefCount;
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};
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static void CreateTestObject(TestObject **aResult)
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{
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*aResult = new TestObject();
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}
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static void CreateTestRefObject(TestRefObject **aResult)
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{
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(*aResult = new TestRefObject())->AddRef();
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}
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static void DoSomethingWithTestObject(TestObject *aIn)
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{
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printf(" Doing something with |TestObject| %p.\n",
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static_cast<void*>(aIn));
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}
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static void DoSomethingWithConstTestObject(const TestObject *aIn)
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{
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printf(" Doing something with |const TestObject| %p.\n",
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static_cast<const void*>(aIn));
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}
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static void DoSomethingWithTestRefObject(TestRefObject *aIn)
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{
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printf(" Doing something with |TestRefObject| %p.\n",
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static_cast<void*>(aIn));
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}
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static void DoSomethingWithConstTestRefObject(const TestRefObject *aIn)
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{
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printf(" Doing something with |const TestRefObject| %p.\n",
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static_cast<const void*>(aIn));
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}
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static void DoSomethingWithTestObjectBaseB(TestObjectBaseB *aIn)
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{
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printf(" Doing something with |TestObjectBaseB| %p.\n",
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static_cast<void*>(aIn));
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}
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static void DoSomethingWithConstTestObjectBaseB(const TestObjectBaseB *aIn)
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{
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printf(" Doing something with |const TestObjectBaseB| %p.\n",
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static_cast<const void*>(aIn));
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}
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static void DoSomethingWithTestRefObjectBaseB(TestRefObjectBaseB *aIn)
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{
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printf(" Doing something with |TestRefObjectBaseB| %p.\n",
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static_cast<void*>(aIn));
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}
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static void DoSomethingWithConstTestRefObjectBaseB(const TestRefObjectBaseB *aIn)
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{
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printf(" Doing something with |const TestRefObjectBaseB| %p.\n",
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static_cast<const void*>(aIn));
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}
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int main()
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{
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{
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printf("Should create one |TestObject|:\n");
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nsAutoPtr<TestObject> pobj( new TestObject() );
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printf("Should destroy one |TestObject|:\n");
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}
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{
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printf("Should create one |TestObject|:\n");
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nsAutoPtr<TestObject> pobj( new TestObject() );
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printf("Should create one |TestObject| and then destroy one:\n");
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pobj = new TestObject();
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printf("Should destroy one |TestObject|:\n");
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}
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{
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printf("Should create 3 |TestObject|s:\n");
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nsAutoArrayPtr<TestObject> pobj( new TestObject[3] );
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printf("Should create 5 |TestObject|s and then destroy 3:\n");
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pobj = new TestObject[5];
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printf("Should destroy 5 |TestObject|s:\n");
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}
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{
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printf("Should create and AddRef one |TestRefObject|:\n");
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nsRefPtr<TestRefObject> pobj( new TestRefObject() );
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printf("Should Release and destroy one |TestRefObject|:\n");
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}
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{
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printf("Should create and AddRef one |TestRefObject|:\n");
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nsRefPtr<TestRefObject> pobj( new TestRefObject() );
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printf("Should create and AddRef one |TestRefObject| and then Release and destroy one:\n");
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pobj = new TestRefObject();
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printf("Should Release and destroy one |TestRefObject|:\n");
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}
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{
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printf("Should create and AddRef one |TestRefObject|:\n");
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nsRefPtr<TestRefObject> p1( new TestRefObject() );
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printf("Should AddRef one |TestRefObject|:\n");
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nsRefPtr<TestRefObject> p2( p1 );
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printf("Should Release twice and destroy one |TestRefObject|:\n");
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}
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printf("\nTesting equality (with all const-ness combinations):\n");
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{
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nsRefPtr<TestRefObject> p1( new TestRefObject() );
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nsRefPtr<TestRefObject> p2( p1 );
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printf("equality %s.\n",
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((p1 == p2) && !(p1 != p2)) ? "OK" : "broken");
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}
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{
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const nsRefPtr<TestRefObject> p1( new TestRefObject() );
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nsRefPtr<TestRefObject> p2( p1 );
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printf("equality %s.\n",
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((p1 == p2) && !(p1 != p2)) ? "OK" : "broken");
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}
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{
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nsRefPtr<TestRefObject> p1( new TestRefObject() );
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const nsRefPtr<TestRefObject> p2( p1 );
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printf("equality %s.\n",
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((p1 == p2) && !(p1 != p2)) ? "OK" : "broken");
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}
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{
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const nsRefPtr<TestRefObject> p1( new TestRefObject() );
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const nsRefPtr<TestRefObject> p2( p1 );
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printf("equality %s.\n",
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((p1 == p2) && !(p1 != p2)) ? "OK" : "broken");
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}
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{
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nsRefPtr<TestRefObject> p1( new TestRefObject() );
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TestRefObject * p2 = p1;
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printf("equality %s.\n",
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((p1 == p2) && !(p1 != p2) && (p2 == p1) && !(p2 != p1)) ? "OK" : "broken");
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}
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{
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const nsRefPtr<TestRefObject> p1( new TestRefObject() );
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TestRefObject * p2 = p1;
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printf("equality %s.\n",
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((p1 == p2) && !(p1 != p2) && (p2 == p1) && !(p2 != p1)) ? "OK" : "broken");
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}
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#if 0 /* MSVC++ 6.0 can't be coaxed to accept this */
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{
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nsRefPtr<TestRefObject> p1( new TestRefObject() );
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TestRefObject * const p2 = p1;
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printf("equality %s.\n",
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((p1 == p2) && !(p1 != p2) && (p2 == p1) && !(p2 != p1)) ? "OK" : "broken");
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}
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{
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const nsRefPtr<TestRefObject> p1( new TestRefObject() );
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TestRefObject * const p2 = p1;
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printf("equality %s.\n",
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((p1 == p2) && !(p1 != p2) && (p2 == p1) && !(p2 != p1)) ? "OK" : "broken");
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}
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#endif /* Things that MSVC++ 6.0 can't be coaxed to accept */
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{
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nsRefPtr<TestRefObject> p1( new TestRefObject() );
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const TestRefObject * p2 = p1;
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printf("equality %s.\n",
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((p1 == p2) && !(p1 != p2) && (p2 == p1) && !(p2 != p1)) ? "OK" : "broken");
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}
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{
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const nsRefPtr<TestRefObject> p1( new TestRefObject() );
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const TestRefObject * p2 = p1;
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printf("equality %s.\n",
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((p1 == p2) && !(p1 != p2) && (p2 == p1) && !(p2 != p1)) ? "OK" : "broken");
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}
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{
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nsRefPtr<TestRefObject> p1( new TestRefObject() );
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const TestRefObject * const p2 = p1;
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printf("equality %s.\n",
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((p1 == p2) && !(p1 != p2) && (p2 == p1) && !(p2 != p1)) ? "OK" : "broken");
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}
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{
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const nsRefPtr<TestRefObject> p1( new TestRefObject() );
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const TestRefObject * const p2 = p1;
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printf("equality %s.\n",
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((p1 == p2) && !(p1 != p2) && (p2 == p1) && !(p2 != p1)) ? "OK" : "broken");
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}
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printf("\nTesting getter_Transfers and getter_AddRefs.\n");
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{
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nsAutoPtr<TestObject> ptr;
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printf("Should create one |TestObject|:\n");
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CreateTestObject(getter_Transfers(ptr));
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printf("Should destroy one |TestObject|:\n");
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}
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{
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nsRefPtr<TestRefObject> ptr;
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printf("Should create and AddRef one |TestRefObject|:\n");
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CreateTestRefObject(getter_AddRefs(ptr));
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printf("Should Release and destroy one |TestRefObject|:\n");
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}
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printf("\nTesting casts and equality tests.\n");
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if ((void*)(TestObject*)0x1000 ==
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(void*)(TestObjectBaseB*)(TestObject*)0x1000)
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printf("\n\nAll these tests are meaningless!\n\n\n");
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{
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nsAutoPtr<TestObject> p1(new TestObject());
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TestObjectBaseB *p2 = p1;
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printf("equality %s.\n",
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((static_cast<void*>(p1) != static_cast<void*>(p2)) &&
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(p1 == p2) && !(p1 != p2) && (p2 == p1) && !(p2 != p1))
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? "OK" : "broken");
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}
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{
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TestObject *p1 = new TestObject();
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nsAutoPtr<TestObjectBaseB> p2(p1);
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printf("equality %s.\n",
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((static_cast<void*>(p1) != static_cast<void*>(p2)) &&
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(p1 == p2) && !(p1 != p2) && (p2 == p1) && !(p2 != p1))
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? "OK" : "broken");
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}
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{
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nsRefPtr<TestRefObject> p1 = new TestRefObject();
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// nsCOMPtr requires a |get| for something like this as well
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nsRefPtr<TestRefObjectBaseB> p2 = p1.get();
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printf("equality %s.\n",
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((static_cast<void*>(p1) != static_cast<void*>(p2)) &&
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(p1 == p2) && !(p1 != p2) && (p2 == p1) && !(p2 != p1))
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? "OK" : "broken");
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}
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{
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nsRefPtr<TestRefObject> p1 = new TestRefObject();
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TestRefObjectBaseB *p2 = p1;
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printf("equality %s.\n",
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((static_cast<void*>(p1) != static_cast<void*>(p2)) &&
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(p1 == p2) && !(p1 != p2) && (p2 == p1) && !(p2 != p1))
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? "OK" : "broken");
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}
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{
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TestRefObject *p1 = new TestRefObject();
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nsRefPtr<TestRefObjectBaseB> p2 = p1;
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printf("equality %s.\n",
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((static_cast<void*>(p1) != static_cast<void*>(p2)) &&
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(p1 == p2) && !(p1 != p2) && (p2 == p1) && !(p2 != p1))
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? "OK" : "broken");
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}
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printf("\nTesting |forget()|.\n");
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{
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printf("Should create one |TestObject|:\n");
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nsAutoPtr<TestObject> pobj( new TestObject() );
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printf("Should do nothing:\n");
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nsAutoPtr<TestObject> pobj2( pobj.forget() );
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printf("Should destroy one |TestObject|:\n");
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}
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{
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printf("Should create 3 |TestObject|s:\n");
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nsAutoArrayPtr<TestObject> pobj( new TestObject[3] );
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printf("Should do nothing:\n");
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nsAutoArrayPtr<TestObject> pobj2( pobj.forget() );
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printf("Should destroy 3 |TestObject|s:\n");
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}
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{
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printf("Should create one |TestRefObject|:\n");
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nsRefPtr<TestRefObject> pobj( new TestRefObject() );
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printf("Should do nothing:\n");
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nsRefPtr<TestRefObject> pobj2( pobj.forget() );
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printf("Should destroy one |TestRefObject|:\n");
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}
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printf("\nTesting construction.\n");
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{
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printf("Should create one |TestObject|:\n");
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nsAutoPtr<TestObject> pobj(new TestObject());
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printf("Should destroy one |TestObject|:\n");
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}
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{
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printf("Should create 3 |TestObject|s:\n");
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nsAutoArrayPtr<TestObject> pobj(new TestObject[3]);
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printf("Should destroy 3 |TestObject|s:\n");
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}
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{
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printf("Should create and AddRef one |TestRefObject|:\n");
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nsRefPtr<TestRefObject> pobj = new TestRefObject();
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printf("Should Release and destroy one |TestRefObject|:\n");
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}
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printf("\nTesting calling of functions (including array access and casts).\n");
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{
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printf("Should create one |TestObject|:\n");
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nsAutoPtr<TestObject> pobj(new TestObject());
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printf("Should do something with one |TestObject|:\n");
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DoSomethingWithTestObject(pobj);
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printf("Should do something with one |TestObject|:\n");
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DoSomethingWithConstTestObject(pobj);
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printf("Should destroy one |TestObject|:\n");
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}
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{
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printf("Should create 3 |TestObject|s:\n");
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nsAutoArrayPtr<TestObject> pobj(new TestObject[3]);
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printf("Should do something with one |TestObject|:\n");
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DoSomethingWithTestObject(&pobj[2]);
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printf("Should do something with one |TestObject|:\n");
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DoSomethingWithConstTestObject(&pobj[1]);
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printf("Should do something with one |TestObject|:\n");
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DoSomethingWithTestObject(pobj + 2);
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printf("Should do something with one |TestObject|:\n");
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DoSomethingWithConstTestObject(pobj + 1);
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printf("Should destroy 3 |TestObject|s:\n");
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}
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{
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printf("Should create and AddRef one |TestRefObject|:\n");
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nsRefPtr<TestRefObject> pobj = new TestRefObject();
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printf("Should do something with one |TestRefObject|:\n");
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DoSomethingWithTestRefObject(pobj);
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printf("Should do something with one |TestRefObject|:\n");
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DoSomethingWithConstTestRefObject(pobj);
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printf("Should Release and destroy one |TestRefObject|:\n");
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}
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{
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printf("Should create one |TestObject|:\n");
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nsAutoPtr<TestObject> pobj(new TestObject());
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printf("Should do something with one |TestObject|:\n");
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DoSomethingWithTestObjectBaseB(pobj);
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printf("Should do something with one |TestObject|:\n");
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DoSomethingWithConstTestObjectBaseB(pobj);
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printf("Should destroy one |TestObject|:\n");
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}
|
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{
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printf("Should create 3 |TestObject|s:\n");
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nsAutoArrayPtr<TestObject> pobj(new TestObject[3]);
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printf("Should do something with one |TestObject|:\n");
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DoSomethingWithTestObjectBaseB(&pobj[2]);
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printf("Should do something with one |TestObject|:\n");
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DoSomethingWithConstTestObjectBaseB(&pobj[1]);
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printf("Should do something with one |TestObject|:\n");
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DoSomethingWithTestObjectBaseB(pobj + 2);
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printf("Should do something with one |TestObject|:\n");
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DoSomethingWithConstTestObjectBaseB(pobj + 1);
|
|
printf("Should destroy 3 |TestObject|s:\n");
|
|
}
|
|
|
|
{
|
|
printf("Should create and AddRef one |TestRefObject|:\n");
|
|
nsRefPtr<TestRefObject> pobj = new TestRefObject();
|
|
printf("Should do something with one |TestRefObject|:\n");
|
|
DoSomethingWithTestRefObjectBaseB(pobj);
|
|
printf("Should do something with one |TestRefObject|:\n");
|
|
DoSomethingWithConstTestRefObjectBaseB(pobj);
|
|
printf("Should Release and destroy one |TestRefObject|:\n");
|
|
}
|
|
|
|
{
|
|
printf("Should create one |TestObject|:\n");
|
|
const nsAutoPtr<TestObject> pobj(new TestObject());
|
|
printf("Should do something with one |TestObject|:\n");
|
|
DoSomethingWithTestObject(pobj);
|
|
printf("Should do something with one |TestObject|:\n");
|
|
DoSomethingWithConstTestObject(pobj);
|
|
printf("Should destroy one |TestObject|:\n");
|
|
}
|
|
|
|
{
|
|
printf("Should create 3 |TestObject|s:\n");
|
|
const nsAutoArrayPtr<TestObject> pobj(new TestObject[3]);
|
|
printf("Should do something with one |TestObject|:\n");
|
|
DoSomethingWithTestObject(&pobj[2]);
|
|
printf("Should do something with one |TestObject|:\n");
|
|
DoSomethingWithConstTestObject(&pobj[1]);
|
|
printf("Should do something with one |TestObject|:\n");
|
|
DoSomethingWithTestObject(pobj + 2);
|
|
printf("Should do something with one |TestObject|:\n");
|
|
DoSomethingWithConstTestObject(pobj + 1);
|
|
printf("Should destroy 3 |TestObject|s:\n");
|
|
}
|
|
|
|
{
|
|
printf("Should create and AddRef one |TestRefObject|:\n");
|
|
const nsRefPtr<TestRefObject> pobj = new TestRefObject();
|
|
printf("Should do something with one |TestRefObject|:\n");
|
|
DoSomethingWithTestRefObject(pobj);
|
|
printf("Should do something with one |TestRefObject|:\n");
|
|
DoSomethingWithConstTestRefObject(pobj);
|
|
printf("Should Release and destroy one |TestRefObject|:\n");
|
|
}
|
|
|
|
{
|
|
printf("Should create one |TestObject|:\n");
|
|
const nsAutoPtr<TestObject> pobj(new TestObject());
|
|
printf("Should do something with one |TestObject|:\n");
|
|
DoSomethingWithTestObjectBaseB(pobj);
|
|
printf("Should do something with one |TestObject|:\n");
|
|
DoSomethingWithConstTestObjectBaseB(pobj);
|
|
printf("Should destroy one |TestObject|:\n");
|
|
}
|
|
|
|
{
|
|
printf("Should create 3 |TestObject|s:\n");
|
|
const nsAutoArrayPtr<TestObject> pobj(new TestObject[3]);
|
|
printf("Should do something with one |TestObject|:\n");
|
|
DoSomethingWithTestObjectBaseB(&pobj[2]);
|
|
printf("Should do something with one |TestObject|:\n");
|
|
DoSomethingWithConstTestObjectBaseB(&pobj[1]);
|
|
printf("Should do something with one |TestObject|:\n");
|
|
DoSomethingWithTestObjectBaseB(pobj + 2);
|
|
printf("Should do something with one |TestObject|:\n");
|
|
DoSomethingWithConstTestObjectBaseB(pobj + 1);
|
|
printf("Should destroy 3 |TestObject|s:\n");
|
|
}
|
|
|
|
{
|
|
printf("Should create and AddRef one |TestRefObject|:\n");
|
|
const nsRefPtr<TestRefObject> pobj = new TestRefObject();
|
|
printf("Should do something with one |TestRefObject|:\n");
|
|
DoSomethingWithTestRefObjectBaseB(pobj);
|
|
printf("Should do something with one |TestRefObject|:\n");
|
|
DoSomethingWithConstTestRefObjectBaseB(pobj);
|
|
printf("Should Release and destroy one |TestRefObject|:\n");
|
|
}
|
|
|
|
return 0;
|
|
}
|