private static bool HasIncompatiblePrefixes(ConstraintPartExpression constraintPartExpression)
{
// Currently only 'Not' suffix supported, as all other suffixes change actual type for constraint
// (e.g. All, Some, Property, Count, etc.)
return(constraintPartExpression.GetPrefixesNames().Any(s => s != NunitFrameworkConstants.NameOfIsNot));
}
private static ITypeSymbol?GetExpectedTypeSymbol(ConstraintPartExpression constraintPart, SyntaxNodeAnalysisContext context)
{
var expectedArgument = constraintPart.GetExpectedArgumentExpression();
if (expectedArgument == null)
{
return(null);
}
var expectedType = context.SemanticModel.GetTypeInfo(expectedArgument).Type;
if (expectedType == null || expectedType is IErrorTypeSymbol)
{
return(null);
}
return(expectedType);
}
private static bool HasCustomEqualityComparer(ConstraintPartExpression constraintPartExpression)
{
return(constraintPartExpression.GetSuffixesNames().Any(s => s == NunitFrameworkConstants.NameOfUsing));
}
private static bool IsContainsItem(ConstraintPartExpression constraintPart)
{
return(constraintPart.GetHelperClassName() == NunitFrameworkConstants.NameOfContains &&
constraintPart.GetConstraintName() == NunitFrameworkConstants.NameOfContainsItem);
}
private static bool IsDoesContain(ConstraintPartExpression constraintPart)
{
return(constraintPart.GetConstraintName() == NunitFrameworkConstants.NameOfDoesContain);
}
private static string ConstraintDiagnosticDescription(ConstraintPartExpression constraintPart)
{
return(constraintPart.GetHelperClassName() != null
? $"{constraintPart.GetHelperClassName()}.{constraintPart.GetConstraintName()}"
: (constraintPart.GetConstraintName() ?? ""));
}
private static bool HasIncompatibleOperators(ConstraintPartExpression constraintPart)
{
return(constraintPart.GetPrefixesNames().Any(p => p != NunitFrameworkConstants.NameOfDoesNot));
}
