What is the current state of the law on good character testimony?

of the defendant's reputation."].) He argues, however, where the witness's opinion of the defendant is based solely on personal knowledge and not reputation, such questions do not serve the rationale of the rule and should not be permitted. (See People v. Hurd (1970) 5 Cal.App.3d 865, 879-880, superseded by statute as stated in People v. Tobias (2001) 25 Cal.4th 327, 332 [Defendant's argument that the "rationale does not apply where, as here, the good-character witness does not testify to defendant's reputation but states his opinion of defendant's character" is not "without some logic" but finding no error because in that case, as "[i]n many instances, the opinion of a personal acquaintance will necessarily be based upon a mixture of personal knowledge or observation of the defendant and a knowledge of his reputation in the community."].)