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1 ;; Copyright (C) 1998 Free Software Foundation, Inc.
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2
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3 ;; Author: Martin Buchholz <martin@xemacs.org>
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4 ;; Maintainer: Martin Buchholz <martin@xemacs.org>
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5 ;; Created: 1998
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6 ;; Keywords: tests
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7
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8 ;; This file is part of XEmacs.
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9
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10 ;; XEmacs is free software; you can redistribute it and/or modify it
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11 ;; under the terms of the GNU General Public License as published by
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12 ;; the Free Software Foundation; either version 2, or (at your option)
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13 ;; any later version.
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14
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15 ;; XEmacs is distributed in the hope that it will be useful, but
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16 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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18 ;; General Public License for more details.
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19
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20 ;; You should have received a copy of the GNU General Public License
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21 ;; along with XEmacs; see the file COPYING. If not, write to the Free
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22 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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23 ;; 02111-1307, USA.
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24
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398
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25 ;;; Synched up with: Not in FSF.
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380
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26
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27 ;;; Commentary:
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28
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29 ;;; Test byte-compiler functionality
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30 ;;; See test-harness.el
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31
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32 (condition-case err
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33 (require 'test-harness)
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34 (file-error
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35 (when (and (boundp 'load-file-name) (stringp load-file-name))
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36 (push (file-name-directory load-file-name) load-path)
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37 (require 'test-harness))))
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38
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39 (require 'bytecomp)
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40
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41 ;; test constant symbol warnings
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42 (defmacro check-byte-compiler-message (message-regexp &rest body)
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43 `(Check-Message ,message-regexp (byte-compile '(lambda () ,@body))))
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44
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45 (check-byte-compiler-message "Attempt to set non-symbol" (setq 1 1))
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46 (check-byte-compiler-message "Attempt to set constant symbol" (setq t 1))
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47 (check-byte-compiler-message "Attempt to set constant symbol" (setq nil 1))
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48 (check-byte-compiler-message "^$" (defconst :foo 1))
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49
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50 (check-byte-compiler-message "Attempt to let-bind non-symbol" (let ((1 'x)) 1))
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51 (check-byte-compiler-message "Attempt to let-bind constant symbol" (let ((t 'x)) (foo)))
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52 (check-byte-compiler-message "Attempt to let-bind constant symbol" (let ((nil 'x)) (foo)))
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53 (check-byte-compiler-message "Attempt to let-bind constant symbol" (let ((:foo 'x)) (foo)))
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54
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55
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56 (check-byte-compiler-message "bound but not referenced" (let ((foo 'x)) 1))
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57 (Assert (not (boundp 'free-variable)))
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58 (Assert (boundp 'byte-compile-warnings))
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59 (check-byte-compiler-message "assignment to free variable" (setq free-variable 1))
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60 (check-byte-compiler-message "reference to free variable" (car free-variable))
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61 (check-byte-compiler-message "called with 2 args, but requires 1" (car 'x 'y))
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62
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63 (check-byte-compiler-message "^$" (setq :foo 1))
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64 (let ((fun '(lambda () (setq :foo 1))))
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65 (fset 'test-byte-compiler-fun fun))
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66 (Check-Error setting-constant (test-byte-compiler-fun))
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67 (byte-compile 'test-byte-compiler-fun)
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68 (Check-Error setting-constant (test-byte-compiler-fun))
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69
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70 (eval-when-compile (defvar setq-test-foo nil) (defvar setq-test-bar nil))
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71 (progn
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72 (check-byte-compiler-message "set called with 1 arg, but requires 2" (setq setq-test-foo))
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73 (check-byte-compiler-message "set called with 1 arg, but requires 2" (setq setq-test-foo 1 setq-test-bar))
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74 (check-byte-compiler-message "set-default called with 1 arg, but requires 2" (setq-default setq-test-foo))
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75 (check-byte-compiler-message "set-default called with 1 arg, but requires 2" (setq-default setq-test-foo 1 setq-test-bar))
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76 )
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77
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78 ;;-----------------------------------------------------
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79 ;; let, let*
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80 ;;-----------------------------------------------------
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81
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82 ;; Test interpreted and compiled lisp separately here
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83 (check-byte-compiler-message "malformed let binding" (let ((x 1 2)) 3))
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84 (check-byte-compiler-message "malformed let binding" (let* ((x 1 2)) 3))
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85
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86 (Check-Error-Message
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87 error "`let' bindings can have only one value-form"
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88 (eval '(let ((x 1 2)) 3)))
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89
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90 (Check-Error-Message
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91 error "`let' bindings can have only one value-form"
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92 (eval '(let* ((x 1 2)) 3)))
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93
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398
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94 (defmacro before-and-after-compile-equal (&rest form)
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95 `(Assert (equal (funcall (quote (lambda () ,@form)))
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96 (funcall (byte-compile (quote (lambda () ,@form)))))))
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97
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98 (defvar simplyamarker (point-min-marker))
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99
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100 ;; The byte optimizer must be careful with +/- with a single argument.
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101
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102 (before-and-after-compile-equal (+))
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103 (before-and-after-compile-equal (+ 2 2))
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104 (before-and-after-compile-equal (+ 2 1))
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105 (before-and-after-compile-equal (+ 1 2))
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106 ;; (+ 1) is OK. but (+1) signals an error.
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107 (before-and-after-compile-equal (+ 1))
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108 (before-and-after-compile-equal (+ 3))
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109 (before-and-after-compile-equal (+ simplyamarker 1))
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110 ;; The optimization (+ m) --> m is invalid when m is a marker.
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111 ;; Currently the following test fails - controversial.
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112 ;; (before-and-after-compile-equal (+ simplyamarker))
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113 ;; Same tests for minus.
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114 (before-and-after-compile-equal (- 2 2))
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115 (before-and-after-compile-equal (- 2 1))
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116 (before-and-after-compile-equal (- 1 2))
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117 (before-and-after-compile-equal (- 1))
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118 (before-and-after-compile-equal (- 3))
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119 (before-and-after-compile-equal (- simplyamarker 1))
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120 (before-and-after-compile-equal (- simplyamarker))
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