False positive when using Pattern Matching

[JimCoburn]

the pattern matching if(xx) returns false if cast is null, so on success the value cannot be null thus the S3900 is not valid.

[Colin]

Hey there.

I’ve moved your post to the category for reporting false-positives. Please see this thread and update your topic with the relevant information.

How to Report a False-positive / False-negative

Hey SonarSource Community! False-positives happen, as do false-negatives, and we’re eager to fix them. We are thrilled when our users report problems, so we can make our products better. What is a false-positive (FP)? A false-positive is when an issue is raised unexpectedly on code that should not trigger an issue, or where the suggested action doesn’t make any sense for the code. What is a false-negative (FN)? A false-negative is when an issue should be raised on a piece of code, but isn’t…