Bug 1313475 - Part 2: Convert TestNsRefPtr to a gtest. r=froydnj

This converts the tests over to gtests.

MozReview-Commit-ID: 3oXY9kUZdB6

--HG--
rename : xpcom/tests/TestNsRefPtr.cpp => xpcom/tests/gtest/TestNsRefPtr.cpp
This commit is contained in:
Eric Rahm 2016-11-04 16:23:23 -07:00
Родитель 3b6db52f8b
Коммит caff0efb46
5 изменённых файлов: 480 добавлений и 682 удалений

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@ -45,7 +45,6 @@ skip-if = os != 'win'
[TestMaybe]
[TestNativeXMLHttpRequest]
skip-if = os == 'b2g' || os == 'android' #Bug 919642
[TestNsRefPtr]
[TestNtPathToDosPath]
skip-if = os != 'win'
[TestObserverArray]

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@ -1,680 +0,0 @@
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <assert.h>
#include <stdio.h>
#include "nsCOMPtr.h"
#include "nsAutoPtr.h"
#include "nsISupports.h"
#include "nsQueryObject.h"
#include "mozilla/Unused.h"
#define NS_FOO_IID \
{ 0x6f7652e0, 0xee43, 0x11d1, \
{ 0x9c, 0xc3, 0x00, 0x60, 0x08, 0x8c, 0xa6, 0xb3 } }
class Foo : public nsISupports
{
public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_FOO_IID)
public:
Foo();
// virtual dtor because Bar uses our Release()
virtual ~Foo();
NS_IMETHOD_(MozExternalRefCountType) AddRef();
NS_IMETHOD_(MozExternalRefCountType) Release();
NS_IMETHOD QueryInterface( const nsIID&, void** );
void MemberFunction( int, int*, int& );
virtual void VirtualMemberFunction( int, int*, int& );
virtual void VirtualConstMemberFunction( int, int*, int& ) const;
static void print_totals();
void NonconstMethod() {}
void ConstMethod() const {}
private:
unsigned int refcount_;
static unsigned int total_constructions_;
static unsigned int total_destructions_;
};
NS_DEFINE_STATIC_IID_ACCESSOR(Foo, NS_FOO_IID)
class Bar;
// some types I'll need
typedef unsigned long NS_RESULT;
// some functions I'll need (and define below)
nsresult CreateFoo( void** );
nsresult CreateBar( void** result );
void AnFooPtrPtrContext( Foo** );
void AnISupportsPtrPtrContext( nsISupports** );
void AVoidPtrPtrContext( void** );
void set_a_Foo( RefPtr<Foo>* result );
RefPtr<Foo> return_a_Foo();
unsigned int Foo::total_constructions_;
unsigned int Foo::total_destructions_;
class test_message
{
public:
test_message()
{
printf("BEGIN unit tests for |nsRefPtr|, compiled " __DATE__ "\n");
}
~test_message()
{
Foo::print_totals();
printf("END unit tests for |nsRefPtr|.\n");
}
};
test_message gTestMessage;
void
Foo::print_totals()
{
printf("total constructions/destructions --> %d/%d\n",
total_constructions_, total_destructions_);
}
Foo::Foo()
: refcount_(0)
{
++total_constructions_;
printf(" new Foo@%p [#%d]\n",
static_cast<void*>(this), total_constructions_);
}
Foo::~Foo()
{
++total_destructions_;
printf("Foo@%p::~Foo() [#%d]\n",
static_cast<void*>(this), total_destructions_);
}
MozExternalRefCountType
Foo::AddRef()
{
++refcount_;
printf("Foo@%p::AddRef(), refcount --> %d\n",
static_cast<void*>(this), refcount_);
return refcount_;
}
MozExternalRefCountType
Foo::Release()
{
int newcount = --refcount_;
if ( newcount == 0 )
printf(">>");
printf("Foo@%p::Release(), refcount --> %d\n",
static_cast<void*>(this), refcount_);
if ( newcount == 0 )
{
printf(" delete Foo@%p\n", static_cast<void*>(this));
printf("<<Foo@%p::Release()\n", static_cast<void*>(this));
delete this;
}
return newcount;
}
nsresult
Foo::QueryInterface( const nsIID& aIID, void** aResult )
{
printf("Foo@%p::QueryInterface()\n", static_cast<void*>(this));
nsISupports* rawPtr = 0;
nsresult status = NS_OK;
if ( aIID.Equals(NS_GET_IID(Foo)) )
rawPtr = this;
else
{
nsID iid_of_ISupports = NS_ISUPPORTS_IID;
if ( aIID.Equals(iid_of_ISupports) )
rawPtr = static_cast<nsISupports*>(this);
else
status = NS_ERROR_NO_INTERFACE;
}
NS_IF_ADDREF(rawPtr);
*aResult = rawPtr;
return status;
}
void
Foo::MemberFunction( int aArg1, int* aArgPtr, int& aArgRef )
{
printf("member function is invoked.\n");
}
void
Foo::VirtualMemberFunction( int aArg1, int* aArgPtr, int& aArgRef )
{
printf("virtual member function is invoked.\n");
}
void
Foo::VirtualConstMemberFunction( int aArg1, int* aArgPtr, int& aArgRef ) const
{
printf("virtual const member function is invoked.\n");
}
nsresult
CreateFoo( void** result )
// a typical factory function (that calls AddRef)
{
printf(">>CreateFoo() --> ");
Foo* foop = new Foo;
printf("Foo@%p\n", static_cast<void*>(foop));
foop->AddRef();
*result = foop;
printf("<<CreateFoo()\n");
return NS_OK;
}
void
set_a_Foo( RefPtr<Foo>* result )
{
printf(">>set_a_Foo()\n");
assert(result);
RefPtr<Foo> foop( do_QueryObject(new Foo) );
*result = foop;
printf("<<set_a_Foo()\n");
}
RefPtr<Foo>
return_a_Foo()
{
printf(">>return_a_Foo()\n");
RefPtr<Foo> foop( do_QueryObject(new Foo) );
printf("<<return_a_Foo()\n");
return foop;
}
#define NS_BAR_IID \
{ 0x6f7652e1, 0xee43, 0x11d1, \
{ 0x9c, 0xc3, 0x00, 0x60, 0x08, 0x8c, 0xa6, 0xb3 } }
class Bar : public Foo
{
public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_BAR_IID)
public:
Bar();
virtual ~Bar();
NS_IMETHOD QueryInterface( const nsIID&, void** ) override;
virtual void VirtualMemberFunction( int, int*, int& ) override;
virtual void VirtualConstMemberFunction( int, int*, int& ) const override;
};
NS_DEFINE_STATIC_IID_ACCESSOR(Bar, NS_BAR_IID)
Bar::Bar()
{
printf(" new Bar@%p\n", static_cast<void*>(this));
}
Bar::~Bar()
{
printf("Bar@%p::~Bar()\n", static_cast<void*>(this));
}
nsresult
Bar::QueryInterface( const nsID& aIID, void** aResult )
{
printf("Bar@%p::QueryInterface()\n", static_cast<void*>(this));
nsISupports* rawPtr = 0;
nsresult status = NS_OK;
if ( aIID.Equals(NS_GET_IID(Bar)) )
rawPtr = this;
else if ( aIID.Equals(NS_GET_IID(Foo)) )
rawPtr = static_cast<Foo*>(this);
else
{
nsID iid_of_ISupports = NS_ISUPPORTS_IID;
if ( aIID.Equals(iid_of_ISupports) )
rawPtr = static_cast<nsISupports*>(this);
else
status = NS_ERROR_NO_INTERFACE;
}
NS_IF_ADDREF(rawPtr);
*aResult = rawPtr;
return status;
}
void
Bar::VirtualMemberFunction( int aArg1, int* aArgPtr, int& aArgRef )
{
printf("override virtual member function is invoked.\n");
}
void
Bar::VirtualConstMemberFunction( int aArg1, int* aArgPtr, int& aArgRef ) const
{
printf("override virtual const member function is invoked.\n");
}
nsresult
CreateBar( void** result )
// a typical factory function (that calls AddRef)
{
printf(">>CreateBar() --> ");
Bar* barp = new Bar;
printf("Bar@%p\n", static_cast<void*>(barp));
barp->AddRef();
*result = barp;
printf("<<CreateBar()\n");
return NS_OK;
}
void
AnFooPtrPtrContext( Foo** )
{
}
void
AVoidPtrPtrContext( void** )
{
}
void
AnISupportsPtrPtrContext( nsISupports** )
{
}
nsresult
TestBloat_Raw_Unsafe()
{
Bar* barP = 0;
nsresult result = CreateBar(reinterpret_cast<void**>(&barP));
if ( barP )
{
Foo* fooP = 0;
if ( NS_SUCCEEDED( result = barP->QueryInterface(NS_GET_IID(Foo), reinterpret_cast<void**>(&fooP)) ) )
{
fooP->print_totals();
NS_RELEASE(fooP);
}
NS_RELEASE(barP);
}
return result;
}
static
nsresult
TestBloat_Smart()
{
RefPtr<Bar> barP;
nsresult result = CreateBar( getter_AddRefs(barP) );
RefPtr<Foo> fooP( do_QueryObject(barP, &result) );
if ( fooP )
fooP->print_totals();
return result;
}
#define NS_INLINE_DECL_THREADSAFE_MUTABLE_REFCOUNTING(_class) \
public: \
NS_METHOD_(MozExternalRefCountType) AddRef(void) const { \
MOZ_ASSERT_TYPE_OK_FOR_REFCOUNTING(_class) \
MOZ_RELEASE_ASSERT(int32_t(mRefCnt) >= 0, "illegal refcnt"); \
nsrefcnt count = ++mRefCnt; \
return (nsrefcnt) count; \
} \
NS_METHOD_(MozExternalRefCountType) Release(void) const { \
MOZ_RELEASE_ASSERT(int32_t(mRefCnt) > 0, "dup release"); \
nsrefcnt count = --mRefCnt; \
if (count == 0) { \
delete (this); \
return 0; \
} \
return count; \
} \
protected: \
mutable ::mozilla::ThreadSafeAutoRefCnt mRefCnt; \
public:
class ObjectForConstPtr
{
private:
// Reference-counted classes cannot have public destructors.
~ObjectForConstPtr()
{
printf("ObjectForConstPtr@%p::~ObjectForConstPtr()\n", static_cast<void*>(this));
}
public:
NS_INLINE_DECL_THREADSAFE_MUTABLE_REFCOUNTING(ObjectForConstPtr)
void ConstMemberFunction( int aArg1, int* aArgPtr, int& aArgRef ) const
{
printf("const member function is invoked by RefPtr<const T>->*.\n");
}
};
#undef NS_INLINE_DECL_THREADSAFE_MUTABLE_REFCOUNTING
RefPtr<Foo> gFoop;
void AddRefAndRelease()
{
{
printf("\n### Test 1: will a |nsCOMPtr| call |AddRef| on a pointer assigned into it?\n");
RefPtr<Foo> foop( do_QueryObject(new Foo) );
printf("\n### Test 2: will a |nsCOMPtr| |Release| its old pointer when a new one is assigned in?\n");
foop = do_QueryObject(new Foo);
// [Shouldn't compile] Is it a compile time error to try to |AddRef| by hand?
//foop->AddRef();
// [Shouldn't compile] Is it a compile time error to try to |Release| be hand?
//foop->Release();
// [Shouldn't compile] Is it a compile time error to try to |delete| an |nsCOMPtr|?
//delete foop;
printf("\n### Test 3: can you |AddRef| if you must?\n");
static_cast<Foo*>(foop)->AddRef();
printf("\n### Test 4: can you |Release| if you must?\n");
static_cast<Foo*>(foop)->Release();
printf("\n### Test 5: will a |nsCOMPtr| |Release| when it goes out of scope?\n");
}
{
printf("\n### setup for Test 24\n");
RefPtr<Foo> fooP( do_QueryObject(new Foo) );
printf("### Test 24: does |forget| avoid an AddRef/Release when assigning to another nsCOMPtr?\n");
RefPtr<Foo> fooP2( fooP.forget() );
}
printf("### End Test 24\n");
}
void VirtualDestructor()
{
{
printf("\n### Test 6: will a |nsCOMPtr| call the correct destructor?\n");
RefPtr<Foo> foop( do_QueryObject(new Bar) );
mozilla::Unused << foop;
}
}
void Equality()
{
{
printf("\n### Test 7: can you compare one |nsCOMPtr| with another [!=]?\n");
RefPtr<Foo> foo1p( do_QueryObject(new Foo) );
// [Shouldn't compile] Is it a compile time error to omit |getter_[doesnt_]AddRef[s]|?
//AnFooPtrPtrContext(&foo1p);
// [Shouldn't compile] Is it a compile time error to omit |getter_[doesnt_]AddRef[s]|?
//AVoidPtrPtrContext(&foo1p);
RefPtr<Foo> foo2p( do_QueryObject(new Foo) );
if ( foo1p != foo2p )
printf("foo1p != foo2p\n");
else
printf("foo1p == foo2p\n");
printf("\n### Test 7.5: can you compare a |nsCOMPtr| with nullptr [!=]?\n");
if ( foo1p != nullptr )
printf("foo1p != nullptr\n");
if ( nullptr != foo1p )
printf("nullptr != foo1p\n");
if ( foo1p == nullptr )
printf("foo1p == nullptr\n");
if ( nullptr == foo1p )
printf("nullptr == foo1p\n");
Foo* raw_foo2p = foo2p.get();
printf("\n### Test 8: can you compare a |nsCOMPtr| with a raw interface pointer [!=]?\n");
if ( foo1p.get() != raw_foo2p )
printf("foo1p != raw_foo2p\n");
else
printf("foo1p == raw_foo2p\n");
printf("\n### Test 9: can you assign one |nsCOMPtr| into another?\n");
foo1p = foo2p;
printf("\n### Test 10: can you compare one |nsCOMPtr| with another [==]?\n");
if ( foo1p == foo2p )
printf("foo1p == foo2p\n");
else
printf("foo1p != foo2p\n");
printf("\n### Test 11: can you compare a |nsCOMPtr| with a raw interface pointer [==]?\n");
if ( raw_foo2p == foo2p.get() )
printf("raw_foo2p == foo2p\n");
else
printf("raw_foo2p != foo2p\n");
#if 1
printf("\n### Test 11.5: can you compare a |nsCOMPtr| with a raw interface pointer [==]?\n");
if ( RefPtr<Foo>( raw_foo2p ) == foo2p )
printf("raw_foo2p == foo2p\n");
else
printf("raw_foo2p != foo2p\n");
#endif
printf("\n### Test 12: bare pointer test?\n");
if ( foo1p )
printf("foo1p is not NULL\n");
else
printf("foo1p is NULL\n");
printf("\n### Test 13: null pointer test?\n");
if ( foo1p == nullptr )
printf("foo1p is NULL\n");
else
printf("foo1p is not NULL\n");
#if 0
if ( foo1p == 1 )
printf("foo1p allowed compare with in\n");
#endif
printf("\n### Test 14: how about when two |nsCOMPtr|s referring to the same object go out of scope?\n");
}
}
void AddRefHelpers()
{
{
printf("\n### Test 15,16 ...setup...\n");
Foo* raw_foo1p = new Foo;
raw_foo1p->AddRef();
Foo* raw_foo2p = new Foo;
raw_foo2p->AddRef();
printf("\n### Test 15: what if I don't want to |AddRef| when I construct?\n");
RefPtr<Foo> foo1p( dont_AddRef(raw_foo1p) );
//RefPtr<Foo> foo1p = dont_AddRef(raw_foo1p);
printf("\n### Test 16: what if I don't want to |AddRef| when I assign in?\n");
RefPtr<Foo> foo2p;
foo2p = dont_AddRef(raw_foo2p);
}
{
printf("\n### setup for Test 17\n");
RefPtr<Foo> foop;
printf("### Test 17: basic parameter behavior?\n");
CreateFoo( RefPtrGetterAddRefs<Foo>(foop) );
}
printf("### End Test 17\n");
{
printf("\n### setup for Test 18\n");
RefPtr<Foo> foop;
printf("### Test 18: basic parameter behavior, using the short form?\n");
CreateFoo( getter_AddRefs(foop) );
}
printf("### End Test 18\n");
{
printf("\n### setup for Test 19, 20\n");
RefPtr<Foo> foop;
printf("### Test 19: reference parameter behavior?\n");
set_a_Foo(address_of(foop));
printf("### Test 20: return value behavior?\n");
foop = return_a_Foo();
}
printf("### End Test 19, 20\n");
}
void QueryInterface()
{
{
printf("\n### setup for Test 21\n");
RefPtr<Foo> fooP;
printf("### Test 21: is |QueryInterface| called on assigning in a raw pointer?\n");
fooP = do_QueryObject(new Foo);
}
printf("### End Test 21\n");
{
printf("\n### setup for Test 22\n");
RefPtr<Foo> fooP;
fooP = do_QueryObject(new Foo);
RefPtr<Foo> foo2P;
printf("### Test 22: is |QueryInterface| _not_ called when assigning in a smart-pointer of the same type?\n");
foo2P = fooP;
}
printf("### End Test 22\n");
{
printf("\n### setup for Test 23\n");
RefPtr<Bar> barP( do_QueryObject(new Bar) );
printf("### Test 23: is |QueryInterface| called when assigning in a smart-pointer of a different type?\n");
RefPtr<Foo> fooP( do_QueryObject(barP) );
if ( fooP )
printf("an Bar* is an Foo*\n");
}
printf("### End Test 23\n");
}
void TestsThatWillBeDeleted()
{
{
RefPtr<Foo> fooP;
AnFooPtrPtrContext( getter_AddRefs(fooP) );
AVoidPtrPtrContext( getter_AddRefs(fooP) );
}
{
printf("\n### setup for Test 25\n");
RefPtr<Foo> fooP(new Foo);
printf("### Test 25: can you construct an |RefPtr<const T>| from an |RefPtr<T>|?\n");
RefPtr<const Foo> constFooP = fooP;
printf("### Test 25: can you call a non-const method on an |RefPtr<const T>|?\n");
constFooP->ConstMethod();
// [Shouldn't compile] Is it a compile time error to call a non-const method on an |RefPtr<const T>|?
//constFooP->NonconstMethod();
// [Shouldn't compile] Is it a compile time error to construct an |RefPtr<T> from an |RefPtr<const T>|?
//RefPtr<Foo> otherFooP(constFooP);
}
printf("\n### Test 26: will a static |nsCOMPtr| |Release| before program termination?\n");
gFoop = do_QueryObject(new Foo);
{
printf("\n### setup for Test 26, 27, 28\n");
RefPtr<Foo> foop = new Foo;
RefPtr<Foo> foop2 = new Bar;
RefPtr<const ObjectForConstPtr> foop3 = new ObjectForConstPtr;
int test = 1;
void (Foo::*fPtr)( int, int*, int& ) = &Foo::MemberFunction;
void (Foo::*fVPtr)( int, int*, int& ) = &Foo::VirtualMemberFunction;
void (Foo::*fVCPtr)( int, int*, int& ) const = &Foo::VirtualConstMemberFunction;
void (ObjectForConstPtr::*fCPtr2)( int, int*, int& ) const = &ObjectForConstPtr::ConstMemberFunction;
printf("### Test 26: invoke member function via operator ->*\n");
(foop->*fPtr)(test, &test, test);
printf("### End Test 26\n");
printf("### Test 27: invoke virtual / virtual const member function via operator ->*\n");
(foop2->*fVPtr)(test, &test, test);
(foop2->*fVCPtr)(test, &test, test);
printf("### End Test 27\n");
printf("### Test 28: invoke virtual const member function via RefPtr<const T> operator ->*\n");
(foop3->*fCPtr2)(test, &test, test);
printf("### End Test 28\n");
}
}
int
main()
{
printf(">>main()\n");
printf("sizeof(RefPtr<Foo>) --> %u\n", unsigned(sizeof(RefPtr<Foo>)));
TestBloat_Raw_Unsafe();
TestBloat_Smart();
AddRefAndRelease();
VirtualDestructor();
Equality();
AddRefHelpers();
QueryInterface();
printf("<<main()\n");
return 0;
}

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@ -0,0 +1,479 @@
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/RefPtr.h"
#include "nsCOMPtr.h"
#include "nsISupports.h"
#include "nsQueryObject.h"
#include "mozilla/Unused.h"
#include "gtest/gtest.h"
namespace TestNsRefPtr
{
#define NS_FOO_IID \
{ 0x6f7652e0, 0xee43, 0x11d1, \
{ 0x9c, 0xc3, 0x00, 0x60, 0x08, 0x8c, 0xa6, 0xb3 } }
class Foo : public nsISupports
{
public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_FOO_IID)
public:
Foo();
// virtual dtor because Bar uses our Release()
virtual ~Foo();
NS_IMETHOD_(MozExternalRefCountType) AddRef();
NS_IMETHOD_(MozExternalRefCountType) Release();
NS_IMETHOD QueryInterface( const nsIID&, void** );
void MemberFunction( int, int*, int& );
virtual void VirtualMemberFunction( int, int*, int& );
virtual void VirtualConstMemberFunction( int, int*, int& ) const;
void NonconstMethod() {}
void ConstMethod() const {}
int refcount_;
static int total_constructions_;
static int total_destructions_;
static int total_addrefs_;
static int total_queries_;
};
NS_DEFINE_STATIC_IID_ACCESSOR(Foo, NS_FOO_IID)
int Foo::total_constructions_;
int Foo::total_destructions_;
int Foo::total_addrefs_;
int Foo::total_queries_;
Foo::Foo()
: refcount_(0)
{
++total_constructions_;
}
Foo::~Foo()
{
++total_destructions_;
}
MozExternalRefCountType
Foo::AddRef()
{
++refcount_;
++total_addrefs_;
return refcount_;
}
MozExternalRefCountType
Foo::Release()
{
int newcount = --refcount_;
if ( newcount == 0 )
{
delete this;
}
return newcount;
}
nsresult
Foo::QueryInterface( const nsIID& aIID, void** aResult )
{
++total_queries_;
nsISupports* rawPtr = 0;
nsresult status = NS_OK;
if ( aIID.Equals(NS_GET_IID(Foo)) )
rawPtr = this;
else
{
nsID iid_of_ISupports = NS_ISUPPORTS_IID;
if ( aIID.Equals(iid_of_ISupports) )
rawPtr = static_cast<nsISupports*>(this);
else
status = NS_ERROR_NO_INTERFACE;
}
NS_IF_ADDREF(rawPtr);
*aResult = rawPtr;
return status;
}
void
Foo::MemberFunction( int aArg1, int* aArgPtr, int& aArgRef )
{
}
void
Foo::VirtualMemberFunction( int aArg1, int* aArgPtr, int& aArgRef )
{
}
void
Foo::VirtualConstMemberFunction( int aArg1, int* aArgPtr, int& aArgRef ) const
{
}
nsresult
CreateFoo( void** result )
// a typical factory function (that calls AddRef)
{
Foo* foop = new Foo;
foop->AddRef();
*result = foop;
return NS_OK;
}
void
set_a_Foo( RefPtr<Foo>* result )
{
assert(result);
RefPtr<Foo> foop( do_QueryObject(new Foo) );
*result = foop;
}
RefPtr<Foo>
return_a_Foo()
{
RefPtr<Foo> foop( do_QueryObject(new Foo) );
return foop;
}
#define NS_BAR_IID \
{ 0x6f7652e1, 0xee43, 0x11d1, \
{ 0x9c, 0xc3, 0x00, 0x60, 0x08, 0x8c, 0xa6, 0xb3 } }
class Bar : public Foo
{
public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_BAR_IID)
public:
Bar();
virtual ~Bar();
NS_IMETHOD QueryInterface( const nsIID&, void** ) override;
virtual void VirtualMemberFunction( int, int*, int& ) override;
virtual void VirtualConstMemberFunction( int, int*, int& ) const override;
static int total_constructions_;
static int total_destructions_;
static int total_queries_;
};
NS_DEFINE_STATIC_IID_ACCESSOR(Bar, NS_BAR_IID)
int Bar::total_constructions_;
int Bar::total_destructions_;
int Bar::total_queries_;
Bar::Bar()
{
++total_constructions_;
}
Bar::~Bar()
{
++total_destructions_;
}
nsresult
Bar::QueryInterface( const nsID& aIID, void** aResult )
{
++total_queries_;
nsISupports* rawPtr = 0;
nsresult status = NS_OK;
if ( aIID.Equals(NS_GET_IID(Bar)) )
rawPtr = this;
else if ( aIID.Equals(NS_GET_IID(Foo)) )
rawPtr = static_cast<Foo*>(this);
else
{
nsID iid_of_ISupports = NS_ISUPPORTS_IID;
if ( aIID.Equals(iid_of_ISupports) )
rawPtr = static_cast<nsISupports*>(this);
else
status = NS_ERROR_NO_INTERFACE;
}
NS_IF_ADDREF(rawPtr);
*aResult = rawPtr;
return status;
}
void
Bar::VirtualMemberFunction( int aArg1, int* aArgPtr, int& aArgRef )
{
}
void
Bar::VirtualConstMemberFunction( int aArg1, int* aArgPtr, int& aArgRef ) const
{
}
} // namespace TestNsRefPtr
using namespace TestNsRefPtr;
TEST(nsRefPtr, AddRefAndRelease)
{
Foo::total_constructions_ = 0;
Foo::total_destructions_ = 0;
{
RefPtr<Foo> foop( do_QueryObject(new Foo) );
ASSERT_EQ(Foo::total_constructions_, 1);
ASSERT_EQ(Foo::total_destructions_, 0);
ASSERT_EQ(foop->refcount_, 1);
foop = do_QueryObject(new Foo);
ASSERT_EQ(Foo::total_constructions_, 2);
ASSERT_EQ(Foo::total_destructions_, 1);
// [Shouldn't compile] Is it a compile time error to try to |AddRef| by hand?
//foop->AddRef();
// [Shouldn't compile] Is it a compile time error to try to |Release| be hand?
//foop->Release();
// [Shouldn't compile] Is it a compile time error to try to |delete| an |nsCOMPtr|?
//delete foop;
static_cast<Foo*>(foop)->AddRef();
ASSERT_EQ(foop->refcount_, 2);
static_cast<Foo*>(foop)->Release();
ASSERT_EQ(foop->refcount_, 1);
}
ASSERT_EQ(Foo::total_destructions_, 2);
{
RefPtr<Foo> fooP( do_QueryObject(new Foo) );
ASSERT_EQ(Foo::total_constructions_, 3);
ASSERT_EQ(Foo::total_destructions_, 2);
ASSERT_EQ(fooP->refcount_, 1);
Foo::total_addrefs_ = 0;
RefPtr<Foo> fooP2( fooP.forget() );
ASSERT_EQ(Foo::total_addrefs_, 0);
}
}
TEST(nsRefPtr, VirtualDestructor)
{
Bar::total_destructions_ = 0;
{
RefPtr<Foo> foop( do_QueryObject(new Bar) );
mozilla::Unused << foop;
}
ASSERT_EQ(Bar::total_destructions_, 1);
}
TEST(nsRefPtr, Equality)
{
Foo::total_constructions_ = 0;
Foo::total_destructions_ = 0;
{
RefPtr<Foo> foo1p( do_QueryObject(new Foo) );
RefPtr<Foo> foo2p( do_QueryObject(new Foo) );
ASSERT_EQ(Foo::total_constructions_, 2);
ASSERT_EQ(Foo::total_destructions_, 0);
ASSERT_NE(foo1p, foo2p);
ASSERT_NE(foo1p, nullptr);
ASSERT_NE(nullptr, foo1p);
ASSERT_FALSE(foo1p == nullptr);
ASSERT_FALSE(nullptr == foo1p);
ASSERT_NE(foo1p, foo2p.get());
foo1p = foo2p;
ASSERT_EQ(Foo::total_constructions_, 2);
ASSERT_EQ(Foo::total_destructions_, 1);
ASSERT_EQ(foo1p, foo2p);
ASSERT_EQ(foo2p, foo2p.get());
ASSERT_EQ(RefPtr<Foo>(foo2p.get()), foo2p);
ASSERT_TRUE(foo1p);
}
ASSERT_EQ(Foo::total_constructions_, 2);
ASSERT_EQ(Foo::total_destructions_, 2);
}
TEST(nsRefPtr, AddRefHelpers)
{
Foo::total_addrefs_ = 0;
{
Foo* raw_foo1p = new Foo;
raw_foo1p->AddRef();
Foo* raw_foo2p = new Foo;
raw_foo2p->AddRef();
ASSERT_EQ(Foo::total_addrefs_, 2);
RefPtr<Foo> foo1p( dont_AddRef(raw_foo1p) );
ASSERT_EQ(Foo::total_addrefs_, 2);
RefPtr<Foo> foo2p;
foo2p = dont_AddRef(raw_foo2p);
ASSERT_EQ(Foo::total_addrefs_, 2);
}
{
// Test that various assignment helpers compile.
RefPtr<Foo> foop;
CreateFoo( RefPtrGetterAddRefs<Foo>(foop) );
CreateFoo( getter_AddRefs(foop) );
set_a_Foo(address_of(foop));
foop = return_a_Foo();
}
}
TEST(nsRefPtr, QueryInterface)
{
Foo::total_queries_ = 0;
Bar::total_queries_ = 0;
{
RefPtr<Foo> fooP;
fooP = do_QueryObject(new Foo);
ASSERT_EQ(Foo::total_queries_, 1);
}
{
RefPtr<Foo> fooP;
fooP = do_QueryObject(new Foo);
ASSERT_EQ(Foo::total_queries_, 2);
RefPtr<Foo> foo2P;
foo2P = fooP;
ASSERT_EQ(Foo::total_queries_, 2);
}
{
RefPtr<Bar> barP( do_QueryObject(new Bar) );
ASSERT_EQ(Bar::total_queries_, 1);
RefPtr<Foo> fooP( do_QueryObject(barP) );
ASSERT_TRUE(fooP);
ASSERT_EQ(Foo::total_queries_, 2);
ASSERT_EQ(Bar::total_queries_, 2);
}
}
// -------------------------------------------------------------------------
// TODO(ER): The following tests should be moved to MFBT.
#define NS_INLINE_DECL_THREADSAFE_MUTABLE_REFCOUNTING(_class) \
public: \
NS_METHOD_(MozExternalRefCountType) AddRef(void) const { \
MOZ_ASSERT_TYPE_OK_FOR_REFCOUNTING(_class) \
MOZ_RELEASE_ASSERT(int32_t(mRefCnt) >= 0, "illegal refcnt"); \
nsrefcnt count = ++mRefCnt; \
return (nsrefcnt) count; \
} \
NS_METHOD_(MozExternalRefCountType) Release(void) const { \
MOZ_RELEASE_ASSERT(int32_t(mRefCnt) > 0, "dup release"); \
nsrefcnt count = --mRefCnt; \
if (count == 0) { \
delete (this); \
return 0; \
} \
return count; \
} \
protected: \
mutable ::mozilla::ThreadSafeAutoRefCnt mRefCnt; \
public:
class ObjectForConstPtr
{
private:
// Reference-counted classes cannot have public destructors.
~ObjectForConstPtr()
{
}
public:
NS_INLINE_DECL_THREADSAFE_MUTABLE_REFCOUNTING(ObjectForConstPtr)
void ConstMemberFunction( int aArg1, int* aArgPtr, int& aArgRef ) const
{
}
};
#undef NS_INLINE_DECL_THREADSAFE_MUTABLE_REFCOUNTING
namespace TestNsRefPtr
{
void AnFooPtrPtrContext(Foo**) { }
void AVoidPtrPtrContext(void**) { }
} // namespace TestNsRefPtr
TEST(nsRefPtr, RefPtrCompilationTests)
{
{
RefPtr<Foo> fooP;
AnFooPtrPtrContext( getter_AddRefs(fooP) );
AVoidPtrPtrContext( getter_AddRefs(fooP) );
}
{
RefPtr<Foo> fooP(new Foo);
RefPtr<const Foo> constFooP = fooP;
constFooP->ConstMethod();
// [Shouldn't compile] Is it a compile time error to call a non-const method on an |RefPtr<const T>|?
//constFooP->NonconstMethod();
// [Shouldn't compile] Is it a compile time error to construct an |RefPtr<T> from an |RefPtr<const T>|?
//RefPtr<Foo> otherFooP(constFooP);
}
{
RefPtr<Foo> foop = new Foo;
RefPtr<Foo> foop2 = new Bar;
RefPtr<const ObjectForConstPtr> foop3 = new ObjectForConstPtr;
int test = 1;
void (Foo::*fPtr)( int, int*, int& ) = &Foo::MemberFunction;
void (Foo::*fVPtr)( int, int*, int& ) = &Foo::VirtualMemberFunction;
void (Foo::*fVCPtr)( int, int*, int& ) const = &Foo::VirtualConstMemberFunction;
void (ObjectForConstPtr::*fCPtr2)( int, int*, int& ) const = &ObjectForConstPtr::ConstMemberFunction;
(foop->*fPtr)(test, &test, test);
(foop2->*fVPtr)(test, &test, test);
(foop2->*fVCPtr)(test, &test, test);
(foop3->*fCPtr2)(test, &test, test);
}
// Looks like everything ran.
ASSERT_TRUE(true);
}

Просмотреть файл

@ -44,6 +44,7 @@ SOURCES += [
'TestAllocReplacement.cpp',
'TestCOMPtr.cpp', # Redefines IFoo and IBar
'TestHashtables.cpp', # Redefines IFoo
'TestNsRefPtr.cpp', # Redefines Foo
]
LOCAL_INCLUDES += [

Просмотреть файл

@ -46,7 +46,6 @@ if CONFIG['WRAP_STL_INCLUDES'] and not CONFIG['CLANG_CL']:
XPCSHELL_TESTS_MANIFESTS += ['unit/xpcshell.ini']
GeckoCppUnitTests([
'TestNsRefPtr',
'TestObserverArray',
'TestObserverService',
'TestStringAPI',