private static void TestIFoo(IFoo foo)
{
const string testValue = "123";
var result = string.Empty;
foo.FromPropertyChanged(o => o.MyStringProperty)
.Subscribe(value => result = value);
foo.MyStringProperty = testValue;
Assert.Equal(testValue, result);
// setter above increments Count as does the extension when it gets the property value
Assert.Equal(2, foo.Count);
Assert.True(true);
}
