public void TestExpressionTokenParser(string expression, IExpressionSyntax?expected = null)
{
if (expected is null)
{
SyntaxAssert.ExpressionThrowsException(expression, true);
}
else
{
var actual = JassPidginTokenParser.ParseExpression(expression);
SyntaxAssert.AreEqual(expected, actual);
}
}
public static void ExpressionThrowsException(string expression, bool useTokenParser)
{
var message = new BoxedString();
if (useTokenParser)
{
try
{
message.String = GetSyntaxDisplayString(JassPidginTokenParser.ParseExpression(expression));
}
catch (Exception e) when(e is not ParseException && e is not InvalidDataException) // InvalidDataException is thrown by tokenizer.
{
Assert.Fail("\r\n{0}", message);
}
catch { }
}
else
{
Assert.ThrowsException <ParseException>(() => message.String = GetSyntaxDisplayString(JassPidginParser.ParseExpression(expression)), "\r\n{0}", message);
}
}
