public void TestMultiplication()
{
BinaryOperator multiplicationExpression = new MultiplicationOperator();
multiplicationExpression.SetFirstOperand(new Value(1.1M));
multiplicationExpression.SetSecondOperand(new Value(2M));
Assert.AreEqual(2.2M, multiplicationExpression.Evaluate());
}
public void TestPrintMultiplicationExpression()
{
BinaryOperator multiplicationOperation = new MultiplicationOperator();
multiplicationOperation.SetFirstOperand(new Value(2.9M));
multiplicationOperation.SetSecondOperand(new Value(3));
Assert.AreEqual("2.9 × 3".Replace(" ", ""), multiplicationOperation.ToString().Replace(" ", ""));
}