public static void TestReturnsZeroWhenEmptyString()
{
string testName = MethodBase.GetCurrentMethod().Name;
try
{
SimpleParser p = new SimpleParser();
int result = p.ParseAndSum(string.Empty);
if (result != 0)
{
TestUtility.ShowProblem(testName, "FAILED: Parse and sum should have returned 0 on an empty string");
}
else
{
TestUtility.ShowProblem(testName, "PASSED");
}
}
catch (Exception e)
{
TestUtility.ShowProblem(testName, string.Format("FAILED: {0}", e.ToString()));
}
}
public static void TestReturnsSumWhenStringContainsMoreThanOneNumber()
{
string testName = MethodBase.GetCurrentMethod().Name;
try
{
SimpleParser p = new SimpleParser();
string numbers = "5,10,15,20,25,30,40";
int result = p.ParseAndSum(numbers);
if(result == 145)
{
TestUtility.ShowProblem(testName, "PASSED");
}
else
{
TestUtility.ShowProblem(testName, "FAILED: Parse and sum should have returned the correct summation");
}
}
catch (Exception e)
{
TestUtility.ShowProblem(testName, string.Format("FAILED: {0}", e.ToString()));
}
}
public static void TestReturnsNumberWhenStringContainsOneNumber()
{
string testName = MethodBase.GetCurrentMethod().Name;
try
{
SimpleParser p = new SimpleParser();
string numbers = "324";
int result = p.ParseAndSum(numbers);
if (result == Convert.ToInt32(numbers))
{
TestUtility.ShowProblem(testName, "PASSED");
}
else
{
TestUtility.ShowProblem(testName, "FAILED: Parse and sum should have returned a single number.");
}
}
catch (Exception e)
{
TestUtility.ShowProblem(testName, string.Format("FAILED: {0}", e.ToString()));
}
}
public void Setup()
{
lexerStub = MockRepository.GenerateStub<ILexer>();
sut = new SimpleParser(lexerStub);
mockTokens = new PQueue<Token>();
}
private Node<string> CallParse()
{
if (txtInput.Text.Length == 0)
{
AddTextLineToOutput("No input specified", Color.Red);
return null;
}
var parser = new SimpleParser(lexer);
try
{
parser.Parse(txtInput.Text);
RenderTree(parser.SyntaxTree);
AddTextLineToOutput("Parsing succeeded", Color.DarkGreen);
return parser.SyntaxTree;
}
catch (ParserException ex)
{
AddTextLineToOutput(ex.Message, Color.Red);
return null;
}
}
