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| | ;;; Test GNU Emacs modules.
;; Copyright 2015-2017 Free Software Foundation, Inc.
;; This file is part of GNU Emacs.
;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
(require 'ert)
(require 'mod-test
(expand-file-name "data/emacs-module/mod-test"
(getenv "EMACS_TEST_DIRECTORY")))
;;
;; Basic tests.
;;
(ert-deftest mod-test-sum-test ()
(should (= (mod-test-sum 1 2) 3))
(let ((descr (should-error (mod-test-sum 1 2 3))))
(should (eq (car descr) 'wrong-number-of-arguments))
(should (stringp (nth 1 descr)))
(should (eq 0
(string-match
(concat "#<module function "
"\\(at \\(0x\\)?[0-9a-fA-F]+\\( from .*\\)?"
"\\|Fmod_test_sum from .*\\)>")
(nth 1 descr))))
(should (= (nth 2 descr) 3)))
(should-error (mod-test-sum "1" 2) :type 'wrong-type-argument)
(should-error (mod-test-sum 1 "2") :type 'wrong-type-argument)
;; The following tests are for 32-bit build --with-wide-int.
(should (= (mod-test-sum -1 most-positive-fixnum)
(1- most-positive-fixnum)))
(should (= (mod-test-sum 1 most-negative-fixnum)
(1+ most-negative-fixnum)))
(when (< #x1fffffff most-positive-fixnum)
(should (= (mod-test-sum 1 #x1fffffff)
(1+ #x1fffffff)))
(should (= (mod-test-sum -1 #x20000000)
#x1fffffff)))
(should-error (mod-test-sum 1 most-positive-fixnum)
:type 'overflow-error)
(should-error (mod-test-sum -1 most-negative-fixnum)
:type 'overflow-error))
(ert-deftest mod-test-sum-docstring ()
(should (string= (documentation 'mod-test-sum) "Return A + B")))
(ert-deftest module-function-object ()
"Extract and test the implementation of a module function.
This test needs to be changed whenever the implementation
changes."
(let ((func (symbol-function #'mod-test-sum)))
(should (consp func))
(should (equal (length func) 4))
(should (equal (nth 0 func) 'lambda))
(should (equal (nth 1 func) '(&rest args)))
(should (equal (nth 2 func) "Return A + B"))
(let ((body (nth 3 func)))
(should (consp body))
(should (equal (length body) 4))
(should (equal (nth 0 body) #'apply))
(should (equal (nth 1 body) '#'internal--module-call))
(should (equal (nth 3 body) 'args))
(let ((obj (nth 2 body)))
(should (equal (type-of obj) 'module-function))
(should (string-match-p
(rx "#<module function Fmod_test_sum from "
(* nonl) "mod-test" (* nonl) ">")
(prin1-to-string obj)))))))
;;
;; Non-local exists (throw, signal).
;;
(ert-deftest mod-test-non-local-exit-signal-test ()
(should-error (mod-test-signal))
(let (debugger-args backtrace)
(should-error
(let ((debugger (lambda (&rest args)
(setq debugger-args args
backtrace (with-output-to-string (backtrace)))
(cl-incf num-nonmacro-input-events)))
(debug-on-signal t))
(mod-test-signal)))
(should (equal debugger-args '(error (error . 56))))
(should (string-match-p
(rx bol " internal--module-call(" (+ nonl) ?\) ?\n
" apply(internal--module-call " (+ nonl) ?\) ?\n
" mod-test-signal()" eol)
backtrace))))
(ert-deftest mod-test-non-local-exit-throw-test ()
(should (equal
(catch 'tag
(mod-test-throw)
(ert-fail "expected throw"))
65)))
(ert-deftest mod-test-non-local-exit-funcall-normal ()
(should (equal (mod-test-non-local-exit-funcall (lambda () 23))
23)))
(ert-deftest mod-test-non-local-exit-funcall-signal ()
(should (equal (mod-test-non-local-exit-funcall
(lambda () (signal 'error '(32))))
'(signal error (32)))))
(ert-deftest mod-test-non-local-exit-funcall-throw ()
(should (equal (mod-test-non-local-exit-funcall (lambda () (throw 'tag 32)))
'(throw tag 32))))
;;
;; String tests.
;;
(defun multiply-string (s n)
(let ((res ""))
(dotimes (i n res)
(setq res (concat res s)))))
(ert-deftest mod-test-globref-make-test ()
(let ((mod-str (mod-test-globref-make))
(ref-str (multiply-string "abcdefghijklmnopqrstuvwxyz" 100)))
(garbage-collect) ;; XXX: not enough to really test but it's something..
(should (string= ref-str mod-str))))
(ert-deftest mod-test-string-a-to-b-test ()
(should (string= (mod-test-string-a-to-b "aaa") "bbb")))
;;
;; User-pointer tests.
;;
(ert-deftest mod-test-userptr-fun-test ()
(let* ((n 42)
(v (mod-test-userptr-make n))
(r (mod-test-userptr-get v)))
(should (eq (type-of v) 'user-ptr))
(should (integerp r))
(should (= r n))))
;; TODO: try to test finalizer
;;
;; Vector tests.
;;
(ert-deftest mod-test-vector-test ()
(dolist (s '(2 10 100 1000))
(dolist (e '(42 foo "foo"))
(let* ((v-ref (make-vector 2 e))
(eq-ref (eq (aref v-ref 0) (aref v-ref 1)))
(v-test (make-vector s nil)))
(should (eq (mod-test-vector-fill v-test e) t))
(should (eq (mod-test-vector-eq v-test e) eq-ref))))))
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