public void ParseTest1()
{
ExpressionModule ex;
ex = new ExpressionModule("(50)");
Assert.AreEqual(ex.Parse(), 50);
ex = new ExpressionModule("(+50)");
Assert.AreEqual(ex.Parse(), 50);
ex = new ExpressionModule("(-50)");
Assert.AreEqual(ex.Parse(), -50);
}
public void ParseTest2()
{
ExpressionModule ex;
ex = new ExpressionModule("2+3");
Assert.AreEqual(ex.Parse(), 5);
ex = new ExpressionModule("3*3+3");
Assert.AreEqual(ex.Parse(), 12);
ex = new ExpressionModule("(2*2)+2");
Assert.AreEqual(ex.Parse(), 6);
ex = new ExpressionModule("(2+2)*2");
Assert.AreEqual(ex.Parse(), 8);
}
public void ParseTest3()
{
ExpressionModule ex;
ex = new ExpressionModule("2+-3");
Assert.AreEqual(ex.Parse(), -1);
ex = new ExpressionModule("3*3--3");
Assert.AreEqual(ex.Parse(), 12);
ex = new ExpressionModule("(2*-2)+2");
Assert.AreEqual(ex.Parse(), -2);
ex = new ExpressionModule("-(2+2)*2");
Assert.AreEqual(ex.Parse(), -8);
}
private void SolveButton_OnClick(object sender, RoutedEventArgs e)
{
ExpressionModule expr = new ExpressionModule(InputTextBox.Text);
try
{
AnswerText.Text = "Ответ: " + expr.Parse();
}
catch (Exception exception)
{
AnswerText.Text = String.Format("Ошибка {0}:\n{1}", exception.GetType(), exception.Message);
}
}