public void ConvertIsExpected()
{
Expression actual = TestObject.Convert <long>(TestExpressionOne);
Assert.IsInstanceOfType(actual, typeof(UnaryExpression));
UnaryExpression actualExpression = (UnaryExpression)actual;
Assert.AreEqual(typeof(long), actualExpression.Type);
Assert.AreEqual(TestExpressionOne, actualExpression.Operand);
}