public void IsOperatorRefCounterTest()
{
// operator is is increment com ref count - but RCW cleanup free's both references.
// (This is a change from .net 3.5 -> 4.0)
var item1 = Xpcom.CreateInstance <nsISupports>(Contracts.Array);
var ptr = Marshal.GetIUnknownForObject(item1);
Marshal.Release(ptr);
int comCount1 = ComDebug.GetComRefCount(item1);
int rcwCount1 = ComDebug.GetRcwRefCount(item1);
bool test = item1 is nsIArray;
int comCount2 = ComDebug.GetComRefCount(item1);
int rcwCount2 = ComDebug.GetRcwRefCount(item1);
Marshal.AddRef(ptr);
int free = Marshal.ReleaseComObject(item1);
Assert.AreEqual(0, Marshal.Release(ptr), "Releasing the RCW by ReleaseComObject should have called Release twice.");
Assert.AreEqual(1, comCount2 - comCount1);
Assert.AreEqual(0, rcwCount2 - rcwCount1);
Assert.AreEqual(0, free);
}
public void QueryInterfaceRefCounterTest()
{
var item1 = Xpcom.CreateInstance <nsISupports>(Contracts.Array);
var ptr = Marshal.GetIUnknownForObject(item1);
Marshal.Release(ptr);
int comCount1 = ComDebug.GetComRefCount(item1);
int rcwCount1 = ComDebug.GetRcwRefCount(item1);
var item2 = Xpcom.QueryInterface <nsIArray>(item1);
int comCount2 = ComDebug.GetComRefCount(item2);
int rcwCount2 = ComDebug.GetRcwRefCount(item2);
Marshal.AddRef(ptr);
int free1 = Marshal.ReleaseComObject(item2);
int free2 = Marshal.ReleaseComObject(item1);
Assert.AreEqual(0, Marshal.Release(ptr));
Assert.AreEqual(1, comCount2 - comCount1);
Assert.AreEqual(1, rcwCount2 - rcwCount1);
Assert.AreEqual(1, free1);
Assert.AreEqual(0, free2);
}
public void GetStringCounter()
{
var service = Xpcom.GetService2 <nsIXULRuntime>(Contracts.XulRuntime);
int comCount = ComDebug.GetComRefCount(service.Instance);
int rcwCount = ComDebug.GetRcwRefCount(service.Instance);
var os = nsString.Get(service.Instance.GetOSAttribute);
int comCount1 = ComDebug.GetComRefCount(service.Instance);
int rcwCount1 = ComDebug.GetRcwRefCount(service.Instance);
}
public void CreatationRefCounterTest(string contract)
{
var item = Xpcom.CreateInstance <nsISupports>(contract);
int comCount = ComDebug.GetComRefCount(item);
int runtimeWrappersCount = ComDebug.GetRcwRefCount(item);
int freeCount = Marshal.ReleaseComObject(item);
Assert.AreEqual(2, comCount);
Assert.AreEqual(1, runtimeWrappersCount);
Assert.AreEqual(0, freeCount);
}
public void IsOperatorRefCounterTest()
{
// operator is is NOT increment counters
var item1 = Xpcom.CreateInstance <nsISupports>(Contracts.Array);
int comCount1 = ComDebug.GetComRefCount(item1);
int rcwCount1 = ComDebug.GetRcwRefCount(item1);
bool test = item1 is nsIArray;
int comCount2 = ComDebug.GetComRefCount(item1);
int rcwCount2 = ComDebug.GetRcwRefCount(item1);
int free = Marshal.ReleaseComObject(item1);
Assert.AreEqual(0, comCount2 - comCount1);
Assert.AreEqual(0, rcwCount2 - rcwCount1);
Assert.AreEqual(0, free);
}
public void ExplicitOperatorRefCounterTest()
{
// operator explicit is NOT increment counters
var item1 = Xpcom.CreateInstance <nsISupports>(Contracts.Array);
int comCount = ComDebug.GetComRefCount(item1);
int rcwCount = ComDebug.GetRcwRefCount(item1);
nsIArray item2 = (nsIArray)item1;
int comCount1 = ComDebug.GetComRefCount(item1);
int rcwCount1 = ComDebug.GetRcwRefCount(item1);
int comCount2 = ComDebug.GetComRefCount(item2);
int rcwCount2 = ComDebug.GetRcwRefCount(item2);
int free = Marshal.ReleaseComObject(item2);
Assert.AreEqual(0, comCount2 - comCount1);
Assert.AreEqual(0, rcwCount2 - rcwCount1);
Assert.AreEqual(0, comCount2 - comCount);
Assert.AreEqual(0, rcwCount2 - rcwCount);
Assert.AreEqual(0, free);
}
