private void ShowTokens()
{
Tokenizer tokenizer = new Tokenizer(tbSource.Text, new[] {'+', '-', '*', '/', '^', '(', ')'});
Token currentToken = tokenizer.ReadNextToken();
tbTokenOutput.Text = string.Empty;
tbPostfix.Text = string.Empty;
tbResult.Text = string.Empty;
while (currentToken.Type != TokenType.None)
{
tbTokenOutput.AppendText(string.Format("Type: {0} - Value: '{1}'{2}", currentToken.GetTypeAsString(),
currentToken.GetValueAsString(), Environment.NewLine));
currentToken = tokenizer.ReadNextToken();
}
}
public void TokenizingTest_ReadAllTokens()
{
// Arrange
int index = 0;
string[] expectedTokens = { "10", "-", "2", "+", "3232", "*", "4", "/", "5.2", "(", ")" };
string source = string.Join(string.Empty, expectedTokens); // = "10-2+3232*4/5.2()"
ITokenizer tokenizer = new Tokenizer().Initialize(source, new[] { '+', '-', '*', '/', '^', '(', ')' });
// Act and assert each act.
Token[] allTokens = tokenizer.ReadAllTokens();
foreach (var token in allTokens)
{
Assert.AreEqual(expectedTokens[index++], token.GetValueAsString());
}
// Assert end result.
Assert.AreEqual(expectedTokens.Length, index);
}
public void TokenizingTest_ReadNextToken()
{
// Arrange
int count = 0;
string[] expectedTokens = {"10", "-", "2", "+", "3232", "*", "4", "/", "5.2", "(", ")"};
string source = string.Join(string.Empty, expectedTokens); // = "10-2+3232*4/5.2()"
ITokenizer tokenizer = new Tokenizer(source, new[] { '+', '-', '*', '/', '^', '(', ')' });
// Act and assert each act.
Token currentToken = tokenizer.ReadNextToken();
while (currentToken.Type != TokenType.None)
{
Assert.AreEqual(expectedTokens[count], currentToken.GetValueAsString());
currentToken = tokenizer.ReadNextToken();
++count;
}
// Assert end result.
Assert.AreEqual(expectedTokens.Length, count);
}