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gecko-dev/xpcom/tests/TestAutoPtr.cpp

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