protected override MessageHolder Test(Mode mode, int errorsExpected, LNodePrinterOptions printerOptions, string text, params LNode[] expected)
{
var messages = new MessageHolder();
var les3 = Les3LanguageService.Value;
var results = les3.Parse(text, messages, mode == Mode.Expr ? ParsingMode.Expressions : ParsingMode.Statements, true).ToList();
if (messages.List.Count != System.Math.Max(errorsExpected, 0))
{
messages.WriteListTo(ConsoleMessageSink.Value);
int errorCount = messages.List.Count(msg => msg.Severity >= Severity.Error);
AreEqual(errorsExpected, errorCount,
"Error count was {0} for «{1}»", errorCount, text); // fail
}
for (int i = 0; i < expected.Length; i++)
{
LNode expect = expected[i], actual = results.TryGet(i, null);
if (!expect.Equals(actual, LNode.CompareMode.TypeMarkers))
{
var options = new Les3PrinterOptions {
PrintTriviaExplicitly = true, IndentString = " "
};
AreEqual(les3.Print(expect, null, null, options), les3.Print(actual, null, null, options));
AreEqual(expect, actual);
Fail("{0} has a different type marker than {1}", expect, actual);
}
}
AreEqual(expected.Length, results.Count, "Got more result nodes than expected");
return(messages);
}
protected override MessageHolder Test(Mode mode, int parseErrors, string expected, params LNode[] inputs)
{
var messages = new MessageHolder();
var options = new Les3PrinterOptions {
IndentString = " "
};
if (parseErrors == 0)
{
if (mode == Mode.Exact)
{
var result = Les3LanguageService.Value.Print(inputs, messages, ParsingMode.Statements, options);
Assert.AreEqual(expected, result);
}
else
{
// Start by parsing. If parsing fails, just stop; such errors are
// already reported by LesParserTests so we need not report them here.
var _ = Les3LanguageService.Value.Parse(expected, msgs: messages);
if (messages.List.All(msg => msg.Severity < Severity.Error))
{
foreach (LNode input in inputs)
{
DoPrinterTest(input);
}
}
}
}
return(messages);
}
