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• Errors
• Must-fail

Must-fail-with-error

A specialization of must-fail to ensure that an error occurs.

Evaluation of (must-fail-with-error <form>) returns without error exactly when evaluation of <form> causes an error.

See must-fail for more details, as must-fail-with-error abbreviates must-fail as follows.

Macro: must-fail-with-error

(defmacro must-fail-with-error (form &rest args)
  (list* 'must-fail
         form :expected
         :any args))

Also see must-fail-with-soft-error and must-fail-with-hard-error.

Subtopics

Ensure-error

Deprecated synonym of must-fail-with-error