public void TokenStreamParserThrowsForExceptionInSllForSllOnlyMode()
{
var errorListenerFactory = DummyErrorListenerFactory();
var llFunction = new Func <IParseTree>(() => null);
var sllFunction = new Func <IParseTree>(() => throw new TokenStreamParserTestException());
var tokenStreamParser = new TestTokenStreamParser(errorListenerFactory, errorListenerFactory, llFunction, sllFunction);
Assert.Throws <TokenStreamParserTestException>(() => tokenStreamParser.Parse("TestModule", null, CodeKind.CodePaneCode, ParserMode.SllOnly));
}
public void TokenStreamParserThrowsPostponedExceptionAfterFinishingWithoutNonPostponedExceptions(ParserMode parseMode)
{
var exception = new TokenStreamParserTestException();
var errorListenerFactory = ErrorListenerFactoryWithPostponedException(exception);
var llFunction = new Func <IParseTree>(() => null);
var sllFunction = new Func <IParseTree>(() => null);
var tokenStreamParser = new TestTokenStreamParser(errorListenerFactory, errorListenerFactory, llFunction, sllFunction);
Assert.Throws <TokenStreamParserTestException>(() => tokenStreamParser.Parse("TestModule", null, CodeKind.CodePaneCode, ParserMode.FallBackSllToLl));
}
public void TokenStreamParserCallsLlModeIfSllFailsInFallBackMode()
{
var errorListenerFactory = DummyErrorListenerFactory();
var llCount = 0;
var sllCount = 0;
var llFunction = new Func <IParseTree>(() =>
{
llCount++;
return(null);
});
var sllFunction = new Func <IParseTree>(() =>
{
sllCount++;
throw new Exception();
});
var tokenStreamParser = new TestTokenStreamParser(errorListenerFactory, errorListenerFactory, llFunction, sllFunction);
tokenStreamParser.Parse("TestModule", null, CodeKind.CodePaneCode, ParserMode.FallBackSllToLl);
Assert.AreEqual(1, llCount);
Assert.AreEqual(1, sllCount);
}
public void TokenStreamParserCallsParserModesTheExpectedAmountOfTimesWhenThereIsNoException(ParserMode parseMode, int expectedSllCount, int expectedLlCount)
{
var errorListenerFactory = DummyErrorListenerFactory();
var llCount = 0;
var sllCount = 0;
var llFunction = new Func <IParseTree>(() =>
{
llCount++;
return(null);
});
var sllFunction = new Func <IParseTree>(() =>
{
sllCount++;
return(null);
});
var tokenStreamParser = new TestTokenStreamParser(errorListenerFactory, errorListenerFactory, llFunction, sllFunction);
tokenStreamParser.Parse("TestModule", null, CodeKind.CodePaneCode, parseMode);
Assert.AreEqual(expectedLlCount, llCount);
Assert.AreEqual(expectedSllCount, sllCount);
}