public void TestUnary()
{
var mult = new Arith(new Token('*'), new Constant(42), new Constant(3));
var u = new Unary(new Token('-'), mult);
Assert.AreEqual("- 42 * 3", u.ToString());
Assert.IsTrue(u.Gen() is Expr);
}
public void UnaryGenTest()
{
var token = new Token('-');
var variable = new Id(new Word("x", Tag.ID), VarType.INT, 0);
var unary = new Unary(token, variable);
var exp = unary.Gen();
Assert.IsInstanceOfType(exp, typeof(Unary));
Assert.AreEqual(VarType.INT, exp.Type);
}