public void CompileExpressionList()
{
Parser parser = new Parser("a, b");
IList<IExpression> expressions = parser.CompileExpressionList();
Assert.IsNotNull(expressions);
Assert.AreEqual(2, expressions.Count);
Assert.IsInstanceOfType(expressions[0], typeof(NameExpression));
Assert.IsInstanceOfType(expressions[1], typeof(NameExpression));
}