public void SetInvalidRelease2()
{
FakeSafeHandle sf = new FakeSafeHandle(true);
bool success = false;
sf.DangerousAddRef(ref success);
Assert.IsTrue(success, "dar");
sf.SetHandleAsInvalid();
sf.DangerousRelease();
sf.DangerousRelease();
//This release need to throw ObjectDisposedException.
//No more ref to release.
sf.DangerousRelease();
}
public void SetHandleAsInvalid()
{
int dummyHandle = 0xDEAD;
FakeSafeHandle sf = new FakeSafeHandle();
sf.ChangeHandle(new IntPtr(dummyHandle));
Assert.AreEqual((int)sf.DangerousGetHandle(), dummyHandle, "handle");
sf.SetHandleAsInvalid();
//In Ms.Net SafeHandle does not change the value of the handle after being SetInvalid or Disposed.
Assert.AreEqual((int)sf.DangerousGetHandle(), dummyHandle, "handle");
//Released == false since handle was not released, Set Invalid was called before it could be released.
Assert.IsFalse(sf.released, "released");
//IsClosed == true since handle is pointing to a disposed or invalid object.
Assert.IsTrue(sf.IsClosed, "closed");
//Handle value is not changed, so the value itself is still valid (not 0 or -1)
Assert.IsFalse(sf.IsInvalid, "invalid");
}
public void SetInvalidRelease1()
{
FakeSafeHandle sf = new FakeSafeHandle(true);
bool success = false;
sf.DangerousAddRef(ref success);
Assert.IsTrue(success, "dar");
sf.SetHandleAsInvalid();
Assert.IsFalse(sf.released, "released");
Assert.IsTrue(sf.IsClosed, "closed");
//Allow remaining refs to be released after SetHandleAsInvalid
sf.DangerousRelease();
sf.DangerousRelease();
Assert.IsFalse(sf.released, "released");
Assert.IsTrue(sf.IsClosed, "closed");
}
public void SetInvalidRelease2 ()
{
FakeSafeHandle sf = new FakeSafeHandle (true);
bool success = false;
sf.DangerousAddRef(ref success);
Assert.IsTrue (success, "dar");
sf.SetHandleAsInvalid();
sf.DangerousRelease ();
sf.DangerousRelease ();
//This release need to throw ObjectDisposedException.
//No more ref to release.
sf.DangerousRelease ();
}
public void SetInvalidRelease1 ()
{
FakeSafeHandle sf = new FakeSafeHandle (true);
bool success = false;
sf.DangerousAddRef(ref success);
Assert.IsTrue (success, "dar");
sf.SetHandleAsInvalid();
Assert.IsFalse (sf.released, "released");
Assert.IsTrue (sf.IsClosed, "closed");
//Allow remaining refs to be released after SetHandleAsInvalid
sf.DangerousRelease ();
sf.DangerousRelease ();
Assert.IsFalse (sf.released, "released");
Assert.IsTrue (sf.IsClosed, "closed");
}
public void SetInvalidDispose ()
{
int dummyHandle = 0xDEAD;
FakeSafeHandle sf = new FakeSafeHandle (true);
sf.ChangeHandle (new IntPtr (dummyHandle));
Assert.AreEqual ((int)sf.DangerousGetHandle(), dummyHandle, "handle");
sf.SetHandleAsInvalid();
sf.Dispose ();
//In Ms.Net SafeHandle does not change the value of the handle after being SetInvalid or Disposed.
Assert.AreEqual ((int)sf.DangerousGetHandle(), dummyHandle, "handle");
//Released == false since handle was not released, Set Invalid was called before it could be released.
Assert.IsFalse (sf.released, "released");
//IsClosed == true since handle is pointing to a disposed or invalid object.
Assert.IsTrue (sf.IsClosed, "closed");
//Handle value is not changed, so the value itself is still valid (not 0 or -1)
Assert.IsFalse (sf.IsInvalid, "invalid");
}