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gecko-dev/xpcom/tests/TestAutoPtr.cpp

458 строки
15 KiB
C++
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
// vim:cindent:ts=4:et:sw=4:
/*
* 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 L. David Baron are Copyright (C) 2001 L. David
* Baron. All Rights Reserved.
*
* Contributor(s):
* L. David Baron <dbaron@fas.harvard.edu> (original author)
*/
#include "../base/nsAutoPtr.h"
#include <stdio.h>
#include "nsCom.h"
class TestObjectBaseA {
public:
virtual ~TestObjectBaseA() { };
int fooA;
};
class TestObjectBaseB {
public:
virtual ~TestObjectBaseB() { };
int fooB;
};
class TestObject : public TestObjectBaseA, public TestObjectBaseB {
public:
TestObject()
{
printf(" Creating TestObject %p.\n",
NS_STATIC_CAST(void*, this));
}
virtual ~TestObject()
{
printf(" Destroying TestObject %p.\n",
NS_STATIC_CAST(void*, this));
}
};
class TestRefObjectBaseA {
public:
int fooA;
virtual void AddRef() const = 0;
virtual void Release() const = 0;
};
class TestRefObjectBaseB {
public:
int fooB;
virtual void AddRef() const = 0;
virtual void Release() const = 0;
};
class TestRefObject : public TestRefObjectBaseA, public TestRefObjectBaseB {
public:
TestRefObject()
: mRefCount(0)
{
printf(" Creating TestRefObject %p.\n",
NS_STATIC_CAST(void*, this));
}
~TestRefObject()
{
printf(" Destroying TestRefObject %p.\n",
NS_STATIC_CAST(void*, this));
}
// These are |const| as a test -- that's not the normal way of
// implementing |AddRef| and |Release|, but it's a possibility,
// so we should test it here.
void AddRef() const
{
++NS_CONST_CAST(TestRefObject*, this)->mRefCount;
printf(" AddRef to %d on TestRefObject %p.\n",
mRefCount, NS_STATIC_CAST(const void*, this));
}
void Release() const
{
--NS_CONST_CAST(TestRefObject*, this)->mRefCount;
printf(" Release to %d on TestRefObject %p.\n",
mRefCount, NS_STATIC_CAST(const void*, this));
if (mRefCount == 0)
delete NS_CONST_CAST(TestRefObject*, this);
}
protected:
PRUint32 mRefCount;
};
void CreateTestObject(TestObject **aResult)
{
*aResult = new TestObject();
}
void CreateTestRefObject(TestRefObject **aResult)
{
(*aResult = new TestRefObject())->AddRef();
}
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:\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<const TestRefObject> p1( new TestRefObject() );
nsRefPtr<TestRefObject> p2( NS_CONST_CAST(TestRefObject*, p1.get()) );
printf("equality %s.\n",
((p1 == p2) && !(p1 != p2)) ? "OK" : "broken");
}
{
const nsRefPtr<const TestRefObject> p1( new TestRefObject() );
nsRefPtr<TestRefObject> p2( NS_CONST_CAST(TestRefObject*, p1.get()) );
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<const TestRefObject> p1( new TestRefObject() );
const nsRefPtr<TestRefObject> p2( NS_CONST_CAST(TestRefObject*, p1.get()) );
printf("equality %s.\n",
((p1 == p2) && !(p1 != p2)) ? "OK" : "broken");
}
{
const nsRefPtr<const TestRefObject> p1( new TestRefObject() );
const nsRefPtr<TestRefObject> p2( NS_CONST_CAST(TestRefObject*, p1.get()) );
printf("equality %s.\n",
((p1 == p2) && !(p1 != p2)) ? "OK" : "broken");
}
{
nsRefPtr<TestRefObject> p1( new TestRefObject() );
nsRefPtr<const TestRefObject> p2( p1 );
printf("equality %s.\n",
((p1 == p2) && !(p1 != p2)) ? "OK" : "broken");
}
{
const nsRefPtr<TestRefObject> p1( new TestRefObject() );
nsRefPtr<const TestRefObject> p2( p1 );
printf("equality %s.\n",
((p1 == p2) && !(p1 != p2)) ? "OK" : "broken");
}
{
nsRefPtr<const TestRefObject> p1( new TestRefObject() );
nsRefPtr<const TestRefObject> p2( p1 );
printf("equality %s.\n",
((p1 == p2) && !(p1 != p2)) ? "OK" : "broken");
}
{
const nsRefPtr<const TestRefObject> p1( new TestRefObject() );
nsRefPtr<const TestRefObject> p2( p1 );
printf("equality %s.\n",
((p1 == p2) && !(p1 != p2)) ? "OK" : "broken");
}
{
nsRefPtr<TestRefObject> p1( new TestRefObject() );
const nsRefPtr<const TestRefObject> p2( p1 );
printf("equality %s.\n",
((p1 == p2) && !(p1 != p2)) ? "OK" : "broken");
}
{
const nsRefPtr<TestRefObject> p1( new TestRefObject() );
const nsRefPtr<const TestRefObject> p2( p1 );
printf("equality %s.\n",
((p1 == p2) && !(p1 != p2)) ? "OK" : "broken");
}
{
nsRefPtr<const TestRefObject> p1( new TestRefObject() );
const nsRefPtr<const TestRefObject> p2( p1 );
printf("equality %s.\n",
((p1 == p2) && !(p1 != p2)) ? "OK" : "broken");
}
{
const nsRefPtr<const TestRefObject> p1( new TestRefObject() );
const nsRefPtr<const 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");
}
{
nsRefPtr<const TestRefObject> p1( new TestRefObject() );
TestRefObject * p2 = NS_CONST_CAST(TestRefObject*, p1.get());
printf("equality %s.\n",
((p1 == p2) && !(p1 != p2) && (p2 == p1) && !(p2 != p1)) ? "OK" : "broken");
}
{
const nsRefPtr<const TestRefObject> p1( new TestRefObject() );
TestRefObject * p2 = NS_CONST_CAST(TestRefObject*, p1.get());
printf("equality %s.\n",
((p1 == p2) && !(p1 != p2) && (p2 == p1) && !(p2 != p1)) ? "OK" : "broken");
}
{
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");
}
{
nsRefPtr<const TestRefObject> p1( new TestRefObject() );
TestRefObject * const p2 = NS_CONST_CAST(TestRefObject*, p1.get());
printf("equality %s.\n",
((p1 == p2) && !(p1 != p2) && (p2 == p1) && !(p2 != p1)) ? "OK" : "broken");
}
{
const nsRefPtr<const TestRefObject> p1( new TestRefObject() );
TestRefObject * const p2 = NS_CONST_CAST(TestRefObject*, p1.get());
printf("equality %s.\n",
((p1 == p2) && !(p1 != p2) && (p2 == p1) && !(p2 != p1)) ? "OK" : "broken");
}
{
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<const TestRefObject> p1( new TestRefObject() );
const TestRefObject * p2 = p1;
printf("equality %s.\n",
((p1 == p2) && !(p1 != p2) && (p2 == p1) && !(p2 != p1)) ? "OK" : "broken");
}
{
const nsRefPtr<const 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");
}
{
nsRefPtr<const 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<const TestRefObject> p1( new TestRefObject() );
const TestRefObject * const p2 = p1;
printf("equality %s.\n",
((p1 == p2) && !(p1 != p2) && (p2 == p1) && !(p2 != p1)) ? "OK" : "broken");
}
{
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");
}
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",
((NS_STATIC_CAST(void*, p1) != NS_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",
((NS_STATIC_CAST(void*, p1) != NS_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",
((NS_STATIC_CAST(void*, p1) != NS_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",
((NS_STATIC_CAST(void*, p1) != NS_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",
((NS_STATIC_CAST(void*, p1) != NS_STATIC_CAST(void*, p2)) &&
(p1 == p2) && !(p1 != p2) && (p2 == p1) && !(p2 != p1))
? "OK" : "broken");
}
// XXX Need tests of calling functions, with various implicit casts.
return 0;
}
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