public void SameHandleReturnsSameReferenceAndReleasesObject()
{
VerifyImmediateFinalizers();
var handle = (IntPtr)234;
TestConstruction(handle);
CollectGarbage();
Assert.False(SKObject.GetInstance <LifecycleObject>(handle, out var inst));
Assert.Null(inst);
void TestConstruction(IntPtr h)
{
LifecycleObject i = null;
Assert.False(SKObject.GetInstance(h, out i));
Assert.Null(i);
var first = SKObject.GetObject <LifecycleObject>(h);
Assert.True(SKObject.GetInstance(h, out i));
Assert.NotNull(i);
Assert.Same(first, i);
var second = SKObject.GetObject <LifecycleObject>(h);
Assert.Same(first, second);
}
}
public void ObjectsWithTheSameHandleAndOwnTheirHandlesThrowInDebugBuildsButNotRelease()
{
var handle = (IntPtr)568;
var inst1 = new LifecycleObject(handle, true)
{
Value = 1
};
#if THROW_OBJECT_EXCEPTIONS
Assert.Throws <InvalidOperationException>(() => new LifecycleObject(handle, true)
{
Value = 2
});
GarbageCleanupFixture.ignoredExceptions.Add(handle);
#else
var inst2 = new LifecycleObject(handle, true)
{
Value = 2
};
Assert.True(inst1.DestroyedNative);
inst1.Dispose();
inst2.Dispose();
#endif
}
public void ObjectsWithTheSameHandleButDoNotOwnTheirHandlesAreCreatedAndDisposedCorrectly()
{
var handle = (IntPtr)567;
var inst = Construct();
CollectGarbage();
Assert.True(SKObject.GetInstance <LifecycleObject>(handle, out var obj));
Assert.Equal(2, obj.Value);
Assert.Same(inst, obj);
LifecycleObject Construct()
{
var inst1 = new LifecycleObject(handle, false)
{
Value = 1
};
var inst2 = new LifecycleObject(handle, false)
{
Value = 2
};
Assert.NotSame(inst1, inst2);
return(inst2);
}
}
public void ObjectsWithTheSameHandleAndOwnTheirHandlesThrowInDebugBuildsButNotRelease()
{
var handle = (IntPtr)568;
var inst1 = new LifecycleObject(handle, true)
{
Value = 1
};
#if THROW_OBJECT_EXCEPTIONS
var ex = Assert.Throws <InvalidOperationException>(() => new LifecycleObject(handle, true)
{
Value = 2
});
Assert.Contains("H: " + handle.ToString("x") + " ", ex.Message);
#else
var inst2 = new LifecycleObject(handle, true)
{
Value = 2
};
Assert.True(inst1.DestroyedNative);
inst1.Dispose();
inst2.Dispose();
#endif
}
public void ObjectsWithTheSameHandleButDoNotOwnTheirHandlesAreCreatedAndCollectedCorrectly()
{
VerifyImmediateFinalizers();
var handle = (IntPtr)566;
Construct();
CollectGarbage();
Assert.False(SKObject.GetInstance <LifecycleObject>(handle, out _));
void Construct()
{
var inst1 = new LifecycleObject(handle, false);
var inst2 = new LifecycleObject(handle, false);
Assert.NotSame(inst1, inst2);
}
}
static void TestConstruction(IntPtr h)
{
// make sure there is nothing
Assert.False(SKObject.GetInstance(h, out LifecycleObject i));
Assert.Null(i);
// get/create the object
var first = LifecycleObject.GetObject(h);
// get the same one
Assert.True(SKObject.GetInstance(h, out i));
Assert.NotNull(i);
// compare
Assert.Same(first, i);
// get/create the object
var second = LifecycleObject.GetObject(h);
// compare
Assert.Same(first, second);
}
