public void TestAddition()
{
BinaryOperator addExpression = new AddOperator();
addExpression.SetFirstOperand(new Value(1.5M));
addExpression.SetSecondOperand(new Value(1.5M));
Assert.AreEqual(3.0M, addExpression.Evaluate());
}
public void AddOperatorTest()
{
string path = @"addtest";
File.WriteAllText(path, "5\n3");
AddOperator add = new AddOperator(File.OpenText(path));
Assert.AreEqual(add.Evaluate(), 8);
Assert.AreEqual(add.ToString(), "(5+3)");
}
