* tests/weaks.test, tests/hooks.test: Added.
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Mikael Djurfeldt
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test-suite/tests/hooks.test
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test-suite/tests/hooks.test
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;;;; hooks.test --- tests guile's hooks implementation -*- scheme -*-
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;;;; Copyright (C) 1999 Free Software Foundation, Inc.
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;;;;
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;;;; This program is free software; you can redistribute it and/or modify
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;;;; it under the terms of the GNU General Public License as published by
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;;;; the Free Software Foundation; either version 2, or (at your option)
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;;;; any later version.
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;;;;
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;;;; This program is distributed in the hope that it will be useful,
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;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;;; GNU General Public License for more details.
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;;;;
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;;;; You should have received a copy of the GNU General Public License
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;;;; along with this software; see the file COPYING. If not, write to
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;;;; the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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;;;; Boston, MA 02111-1307 USA
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;;;;
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;;;; As a special exception, the Free Software Foundation gives permission
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;;;; for additional uses of the text contained in its release of GUILE.
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;;;;
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;;;; The exception is that, if you link the GUILE library with other files
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;;;; to produce an executable, this does not by itself cause the
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;;;; resulting executable to be covered by the GNU General Public License.
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;;;; Your use of that executable is in no way restricted on account of
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;;;; linking the GUILE library code into it.
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;;;;
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;;;; This exception does not however invalidate any other reasons why
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;;;; the executable file might be covered by the GNU General Public License.
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;;;;
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;;;; This exception applies only to the code released by the
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;;;; Free Software Foundation under the name GUILE. If you copy
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;;;; code from other Free Software Foundation releases into a copy of
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;;;; GUILE, as the General Public License permits, the exception does
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;;;; not apply to the code that you add in this way. To avoid misleading
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;;;; anyone as to the status of such modified files, you must delete
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;;;; this exception notice from them.
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;;;;
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;;;; If you write modifications of your own for GUILE, it is your choice
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;;;; whether to permit this exception to apply to your modifications.
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;;;; If you do not wish that, delete this exception notice.
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;;; {Description}
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;;;
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;;; A test suite for hooks. I maybe should've split off some of the
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;;; stuff (like with alists), but this is small enough that it
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;;; probably isn't worth the hassle. A little note: in some places it
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;;; catches all errors when it probably shouldn't, since there's only
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;;; one error we consider correct. This is mostly because the
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;;; add-hook! error in released guiles isn't really accurate
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;;; This should be changed once a released version returns
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;;; wrong-type-arg from add-hook!
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;; {Utility stuff}
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;; Evaluate form inside a catch; if it throws an error, return true
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;; This is good for checking that errors are not ignored
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(define-macro (catch-error-returning-true error . form)
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`(catch ,error (lambda () (begin ,@form #f)) (lambda (key . args) #t)))
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;; Evaluate form inside a catch; if it throws an error, return false
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;; Good for making sure that errors don't occur
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(define-macro (catch-error-returning-false error . form)
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`(catch ,error (lambda () (begin ,@form #t)) (lambda (key . args) #f)))
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;; pass-if-not: syntactic sugar
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(define-macro (pass-if-not string form)
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`(pass-if ,string (not ,form)))
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;; {The tests}
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(catch-test-errors
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(let ((proc1 (lambda (x) (+ x 1)))
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(proc2 (lambda (x) (- x 1)))
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(bad-proc (lambda (x y) #t)))
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(with-test-prefix "hooks"
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(pass-if "make-hook"
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(catch-error-returning-false
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#t
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(define x (make-hook 1))))
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(pass-if "add-hook!"
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(catch-error-returning-false
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#t
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(let ((x (make-hook 1)))
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(add-hook! x proc1)
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(add-hook! x proc2))))
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(with-test-prefix "add-hook!"
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(pass-if "append"
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(let ((x (make-hook 1)))
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(add-hook! x proc1)
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(add-hook! x proc2 #t)
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(eq? (cadr (hook->list x))
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proc2)))
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(pass-if "illegal proc"
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(catch-error-returning-true
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#t
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(let ((x (make-hook 1)))
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(add-hook! x bad-proc))))
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(pass-if "illegal hook"
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(catch-error-returning-true
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'wrong-type-arg
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(add-hook! '(foo) proc1))))
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(pass-if "run-hook"
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(let ((x (make-hook 1)))
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(catch-error-returning-false #t
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(add-hook! x proc1)
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(add-hook! x proc2)
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(run-hook x 1))))
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(with-test-prefix "run-hook"
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(pass-if "bad hook"
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(catch-error-returning-true
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#t
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(let ((x (cons 'a 'b)))
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(run-hook x 1))))
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(pass-if "too many args"
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(let ((x (make-hook 1)))
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(catch-error-returning-true
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#t
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(add-hook! x proc1)
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(add-hook! x proc2)
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(run-hook x 1 2))))
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(pass-if
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"destructive procs"
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(let ((x (make-hook 1))
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(dest-proc1 (lambda (x)
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(set-car! x
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'i-sunk-your-battleship)))
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(dest-proc2 (lambda (x) (set-cdr! x 'no-way!)))
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(val '(a-game-of battleship)))
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(add-hook! x dest-proc1)
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(add-hook! x dest-proc2 #t)
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(run-hook x val)
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(and (eq? (car val) 'i-sunk-your-battleship)
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(eq? (cdr val) 'no-way!)))))
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(pass-if "make-hook-with-name"
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(catch-error-returning-false
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#t
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(let ((x (make-hook-with-name 'x 1)))
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(add-hook! x proc1))))
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(pass-if "make-hook-with-name: bad name"
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(catch-error-returning-true
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'wrong-type-arg
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(define x (make-hook-with-name '(a b) 1))))
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(with-test-prefix "remove-hook!"
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(pass-if ""
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(let ((x (make-hook 1)))
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(add-hook! x proc1)
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(add-hook! x proc2)
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(remove-hook! x proc1)
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(not (memq proc1 (hook->list x)))))
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; Maybe it should error, but this is probably
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; more convienient
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(pass-if "empty hook"
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(catch-error-returning-false
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#t
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(let ((x (make-hook 1)))
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(remove-hook! x proc1)))))
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(pass-if "hook->list"
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(let ((x (make-hook 1)))
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(add-hook! x proc1)
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(add-hook! x proc2)
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(and (memq proc1 (hook->list x) )
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(memq proc2 (hook->list x)))))
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(pass-if "reset-hook!"
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(let ((x (make-hook 1)))
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(add-hook! x proc1)
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(add-hook! x proc2)
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(reset-hook! x)
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(null? (hook->list x))))
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(with-test-prefix "reset-hook!"
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(pass-if "empty hook"
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(let ((x (make-hook 1)))
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(reset-hook! x)))
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(pass-if "bad hook"
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(catch-error-returning-true
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#t
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(reset-hook! '(a b))))))))
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