public void TestThatUserRuleParsingSuccessChoose()
{
// Arrange
var ruleName = "example0Rul1";
var stream = new MemoryStream().FromString(ruleName);
var rule1 = new UserRule(ruleName, "", new TokenExpression("", new Dictionary <string, int>()));
var rule2 = new UserRule(new string(ruleName.ToCharArray().Reverse().ToArray()), "", new TokenExpression("", new Dictionary <string, int>()));
var context = new DefaultParserContext(stream);
context.ParsedRules.Push(rule1);
context.ParsedRules.Push(rule2);
var ruleParser = new RuleCallParser();
// Act
var parsed = ruleParser.Parse(context);
// Assert
Assert.IsNotNull(parsed);
Assert.AreSame(parsed, rule1);
}
public void TestThatUserRuleParsingSuccesAndStreamPositionSuccess()
{
// Arrange
var ruleName = "example0Rul1";
var stream = new MemoryStream().FromString(ruleName + "\'");
var rule = new UserRule(ruleName, "", new TokenExpression("", new Dictionary <string, int>()));
var context = new DefaultParserContext(stream);
context.ParsedRules.Push(rule);
var ruleParser = new RuleCallParser();
// Act
var startPos = stream.Position;
var parsed = ruleParser.Parse(context);
var endPos = stream.Position;
// Assert
Assert.AreEqual(endPos, ruleName.Length + startPos);
}
public void TestThatUserRuleParsingFailedBecaouseOfUbdefindName()
{
// Arrange
var ruleName = "example0Rul1";
var stream = new MemoryStream().FromString(ruleName);
var context = new DefaultParserContext(stream);
var ruleParser = new RuleCallParser();
// Act
var action = new Action(() => ruleParser.Parse(context));
// Assert
Assert.ThrowsException <BadRuleNameException>(action);
}