CCP 1604     

Art. 1604.  Prevention of continuance by admission of adverse party

When a party applies for a continuance on account of the absence of a material witness, the adverse party may require him to disclose on oath what facts he intends to prove by such witness, and if the adverse party admits that if the witness were present he would testify as stated in the affidavit, the court shall proceed to the trial of the case.