public void ConvertInfixToPostfix()
{
// Arrange
string formula = "-6/-(-1-5)+-1";
InfixToPostfixConverter i2p = new InfixToPostfixConverter(new Tokenizer());
// Act
string result = i2p.Convert(formula);
// Assert
Assert.AreEqual("6 m 1 m 5 - m / 1 m +", result, string.Format("Conversion of \"{0}\" failed!", formula));
// Arrange
formula = "-6/-(-1-5)++1";
// Act
result = i2p.Convert(formula);
// Assert
Assert.AreEqual("6 m 1 m 5 - m / 1 p +", result, string.Format("Conversion of \"{0}\" failed!", formula));
// Arrange
formula = "3 + 4 * 2 / (1 - 5) ^ 2 ^ 3";
// Act
result = i2p.Convert(formula);
// Assert
Assert.AreEqual("3 4 2 * 1 5 - 2 3 ^ ^ / +", result, string.Format("Conversion of \"{0}\" failed!", formula));
// Arrange
formula = "1+(1)+(1)+1";
// Act
result = i2p.Convert(formula);
// Assert
Assert.AreEqual("1 1 + 1 + 1 +", result, string.Format("Conversion of \"{0}\" failed!", formula));
// Arrange
formula = "1+(-1)+(-1)+1";
// Act
result = i2p.Convert(formula);
// Assert
Assert.AreEqual("1 1 m + 1 m + 1 +", result, string.Format("Conversion of \"{0}\" failed!", formula));
// Arrange
formula = "(1)-(-1)";
// Act
result = i2p.Convert(formula);
// Assert
Assert.AreEqual("1 1 m -", result, string.Format("Conversion of \"{0}\" failed!", formula));
}
private void button1_Click(object sender, EventArgs e)
{
try
{
ShowTokens();
InfixToPostfixConverter conv = new InfixToPostfixConverter(new Tokenizer());
var postfix = conv.Convert(tbSource.Text);
tbPostfix.Text = postfix;
PostfixEvaluator eva = new PostfixEvaluator();
var result = eva.Evaluate(postfix);
tbResult.Text = result.ToString();
}
catch (Exception ex)
{
tbResult.Text = string.Format("Error: {0}{1}", ex.Message, Environment.NewLine);
tbTokenOutput.AppendText(tbResult.Text);
}
}
