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;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
;;;; *************************************************************************
;;;; FILE IDENTIFICATION
;;;;
;;;; ID: $Id$
;;;; Purpose: Assert functions for XLUnit
;;;;
;;;; *************************************************************************
(in-package #:xlunit)
(define-condition assertion-failed (simple-condition)
((message :initform nil :initarg :message :accessor message))
(:documentation "Base class for all test failures."))
(defmethod print-object ((obj assertion-failed) stream)
(print-unreadable-object (obj stream :type t :identity nil)
(apply #'format stream (simple-condition-format-control obj)
(simple-condition-format-arguments obj))))
(defun failure-message (message &optional format-str &rest args)
"Signal a test failure and exit the test."
(signal 'assertion-failed :message message :format-control format-str
:format-arguments args))
(defun failure (format-str &rest args)
"Signal a test failure and exit the test."
(apply #'failure-message nil format-str args))
(defun assert-equal (v1 v2 &optional message)
(unless (equal v1 v2)
(failure-message message "Assert equal: ~S ~S" v1 v2)))
(defun assert-eql (v1 v2 &optional message)
(unless (eql v1 v2)
(failure-message message "Assert equal: ~S ~S" v1 v2)))
(defun assert-not-eql (v1 v2 &optional message)
(when (eql v1 v2)
(failure-message message "Assert not eql: ~S ~S" v1 v2)))
(defmacro assert-true (v &optional message)
`(unless ,v
(failure-message ,message "Assert true: ~S" ',v)))
(defmacro assert-false (v &optional message)
`(when ,v
(failure-message ,message "Assert false: ~S" ',v)))
(defmacro assert-condition (condition form &optional message)
(let ((cond (gensym "COND-")))
`(handler-case
(progn
,form
(values))
(t (,cond)
(when (and (typep ,cond 'serious-condition)
(not (typep ,cond ,condition)))
(failure-message
,message
"Assert condition ~A, but signaled condition ~A"
,condition ,cond)))
(:no-error ()
(failure-message ,message
"Assert condition ~A, but no condition signaled"
,condition)))))
(defmacro assert-not-condition (condition form &optional message)
(let ((cond (gensym "COND-")))
`(handler-case
(progn
,form
(values))
(serious-condition (,cond)
(unless (typep ,cond ,condition)
(failure-message ,message "Assert not condition ~A"
,condition))))))
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