code.delx.au - gnu-emacs-elpa/blob - packages/f90-interface-browser/f90-tests.el

   1 ;;; f90-tests.el --- Tests for f90-interface-browser
   2
   3 ;; Copyright (C) 2013  Free Software Foundation, Inc.
   4
   5 ;; This program is free software: you can redistribute it and/or modify
   6 ;; it under the terms of the GNU General Public License as published by
   7 ;; the Free Software Foundation, either version 3 of the License, or
   8 ;; (at your option) any later version.
   9
  10 ;; This program is distributed in the hope that it will be useful,
  11 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 ;; GNU General Public License for more details.
  14
  15 ;; You should have received a copy of the GNU General Public License
  16 ;; along with this program  If not, see <http://www.gnu.org/licenses/>.
  17
  18 ;;; Code:
  19
  20 (defvar *test-name* nil)
  21
  22 (defvar *test-tests* (make-hash-table :test 'eq))
  23
  24 (defvar *test-running-tests* nil)
  25 (defmacro deftest (name parameters &rest body)
  26   "Define a test function. Within a test function we can call
  27    other test functions or use 'check' to run individual test
  28    cases."
  29   `(prog1 ',name
  30      (setf (gethash ',name *test-tests*)
  31            (lambda ,parameters
  32              (let ((*test-name* (append *test-name* (list ',name))))
  33                ,@body)))))
  34
  35 (defmacro test-check (&rest forms)
  36   "Run each expression in 'forms' as a test case."
  37   `(test-combine-results
  38     ,@(loop for (expr res) in forms
  39             collect `(test-report-result (equal (condition-case err
  40                                                     ,expr
  41                                                   (error (gensym))) ',res)
  42                                          ',expr ',res))))
  43
  44 (defmacro test-combine-results (&rest forms)
  45   "Combine the results (as booleans) of evaluating 'forms' in order."
  46   (let ((result (make-symbol "result")))
  47     `(let ((,result t))
  48        ,@(loop for f in forms collect `(unless ,f (setf ,result nil)))
  49        ,result)))
  50
  51 (defun test-report-result (result res req)
  52   "Report the results of a single test case. Called by 'check'."
  53   (if result
  54       (insert (format "%s ... %S: %S\n"
  55                      (propertize "pass"
  56                                  'face '(:weight bold :foreground "green"))
  57                      *test-name* res))
  58     (insert (format "%s ... %S: %S is not %S\n"
  59                    (propertize "FAIL"
  60                                'face '(:weight bold :foreground "red"))
  61                    *test-name*
  62                    res req)))
  63   result)
  64
  65 (defun test-run-test (name)
  66   (with-current-buffer (get-buffer-create "*test-results*")
  67     (unless *test-running-tests*
  68       (erase-buffer))
  69     (let ((*test-running-tests* t))
  70       (funcall (gethash name *test-tests*)))
  71     (pop-to-buffer (current-buffer))))
  72
  73 (deftest type-modifiers ()
  74   (test-check
  75    ((f90-split-declaration "integer") ("integer"))
  76    ((f90-split-declaration "integer, pointer") ("integer" "pointer"))
  77    ((f90-split-declaration "integer (kind = c_int(8)   )") ("integer"))
  78    ((f90-split-declaration "character(len=*)") ("character"))
  79    ((f90-split-declaration "integer, dimension(:)")
  80     ("integer" ("dimension" . 1)))))
  81
  82 (deftest parse-declaration ()
  83   (flet ((fun (str) (with-temp-buffer
  84                       (insert str)
  85                       (goto-char (point-min))
  86                       (f90-parse-single-type-declaration))))
  87     (test-check
  88      ((fun "integer :: name") (("name" "integer")))
  89      ((fun "integer :: name1, name2") (("name1" "integer")
  90                                        ("name2" "integer")))
  91      ((fun "integer, dimension(:) :: name1, name2(:, :)") (("name1" "integer"
  92                                                             ("dimension" . 1))
  93                                                            ("name2" "integer"
  94                                                             ("dimension" . 2))))
  95      ((fun "integer, pointer :: name(:, :)") (("name" "integer" "pointer"
  96                                                ("dimension" . 2))))
  97      ((fun "integer, pointer :: NAmE => null()") (("name" "integer" "pointer"))))))
  98
  99
 100 (deftest splits ()
 101   (test-check
 102    ((f90-count-commas ",") 1)
 103    ((f90-count-commas "(,)") 0)
 104    ((f90-count-commas "a, b, size(c, d)") 2)
 105    ((f90-count-commas "a, b, size(c, d)" 1) 3)
 106    ((f90-split-arglist "a,B") ("a" "b"))
 107    ((f90-split-arglist "foo, dimension(1, size(a, b))")
 108     ("foo" "dimension(1, size(a, b))"))
 109    ((f90-parse-names-list "a=1, B=>null()") ("a" "b"))))
 110
 111 (deftest all ()
 112   (test-combine-results
 113    (test-run-test 'type-modifiers)
 114    (test-run-test 'parse-declaration)
 115    (test-run-test 'splits)))