public static bool HasNoTypeTest(LambdaExpression lambda)
{
var typesFinder = new TypeTestFinder();
typesFinder.Visit(lambda.Body);
return(!typesFinder.TypeTestExists);
}
private static void ErrorIfConditionHasTypeTest(LambdaExpression conditionLambda)
{
if (TypeTestFinder.HasNoTypeTest(conditionLambda))
{
return;
}
var condition = conditionLambda.Body.ToReadableString();
throw new MappingConfigurationException(string.Format(
CultureInfo.InvariantCulture,
"Instead of type testing in condition '{0}', configure for a more specific source or target type.",
condition));
}
private void ErrorIfConditionHasTypeTest(LambdaExpression conditionLambda)
{
if ((SourceType?.IsInterface() == true) ||
TypeTestFinder.HasNoTypeTest(conditionLambda))
{
return;
}
var condition = conditionLambda.Body.ToReadableString();
throw new MappingConfigurationException(string.Format(
CultureInfo.InvariantCulture,
"Instead of type testing in condition '{0}', " +
"configure for a more derived source or target type.",
condition));
}
