;;; lread-tests.el --- tests for lread.c -*- lexical-binding: t; -*- ;; Copyright (C) 2016-2019 Free Software Foundation, Inc. ;; Author: Philipp Stephani ;; This file is part of GNU Emacs. ;; This program 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. ;; This program 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 this program. If not, see . ;;; Commentary: ;; Unit tests for code in src/lread.c. ;;; Code: (ert-deftest lread-char-number () (should (equal (read "?\\N{U+A817}") #xA817))) (ert-deftest lread-char-name-1 () (should (equal (read "?\\N{SYLOTI NAGRI LETTER \n DHO}") #xA817))) (ert-deftest lread-char-name-2 () (should (equal (read "?\\N{BED}") #x1F6CF))) (ert-deftest lread-char-name-3 () (should (equal (read "?\\N{U+BED}") #xBED))) (ert-deftest lread-char-name-4 () (should (equal (read "?\\N{VARIATION SELECTOR-1}") #xFE00))) (ert-deftest lread-char-name-5 () (should (equal (read "?\\N{VARIATION SELECTOR-16}") #xFE0F))) (ert-deftest lread-char-name-6 () (should (equal (read "?\\N{VARIATION SELECTOR-17}") #xE0100))) (ert-deftest lread-char-name-7 () (should (equal (read "?\\N{VARIATION SELECTOR-256}") #xE01EF))) (ert-deftest lread-char-name-8 () (should (equal (read "?\\N{CJK COMPATIBILITY IDEOGRAPH-F900}") #xF900))) (ert-deftest lread-char-name-9 () (should (equal (read "?\\N{CJK COMPATIBILITY IDEOGRAPH-FAD9}") #xFAD9))) (ert-deftest lread-char-name-10 () (should (equal (read "?\\N{CJK COMPATIBILITY IDEOGRAPH-2F800}") #x2F800))) (ert-deftest lread-char-name-11 () (should (equal (read "?\\N{CJK COMPATIBILITY IDEOGRAPH-2FA1D}") #x2FA1D))) (ert-deftest lread-char-invalid-number () (should-error (read "?\\N{U+110000}") :type 'invalid-read-syntax)) (ert-deftest lread-char-invalid-name-1 () (should-error (read "?\\N{DOES NOT EXIST}")) :type 'invalid-read-syntax) (ert-deftest lread-char-invalid-name-2 () (should-error (read "?\\N{VARIATION SELECTOR-0}")) :type 'invalid-read-syntax) (ert-deftest lread-char-invalid-name-3 () (should-error (read "?\\N{VARIATION SELECTOR-257}")) :type 'invalid-read-syntax) (ert-deftest lread-char-invalid-name-4 () (should-error (read "?\\N{VARIATION SELECTOR--0}")) :type 'invalid-read-syntax) (ert-deftest lread-char-invalid-name-5 () (should-error (read "?\\N{CJK COMPATIBILITY IDEOGRAPH-F8FF}")) :type 'invalid-read-syntax) (ert-deftest lread-char-invalid-name-6 () (should-error (read "?\\N{CJK COMPATIBILITY IDEOGRAPH-FADA}")) :type 'invalid-read-syntax) (ert-deftest lread-char-invalid-name-7 () (should-error (read "?\\N{CJK COMPATIBILITY IDEOGRAPH-2F7FF}")) :type 'invalid-read-syntax) (ert-deftest lread-char-invalid-name-8 () (should-error (read "?\\N{CJK COMPATIBILITY IDEOGRAPH-2FA1E}")) :type 'invalid-read-syntax) (ert-deftest lread-char-non-ascii-name () (should-error (read "?\\N{LATIN CAPITAL LETTER Ø}") :type 'invalid-read-syntax)) (ert-deftest lread-char-empty-name () (should-error (read "?\\N{}") :type 'invalid-read-syntax)) (ert-deftest lread-char-surrogate-1 () (should-error (read "?\\N{U+D800}") :type 'invalid-read-syntax)) (ert-deftest lread-char-surrogate-2 () (should-error (read "?\\N{U+D801}") :type 'invalid-read-syntax)) (ert-deftest lread-char-surrogate-3 () (should-error (read "?\\N{U+Dffe}") :type 'invalid-read-syntax)) (ert-deftest lread-char-surrogate-4 () (should-error (read "?\\N{U+DFFF}") :type 'invalid-read-syntax)) (ert-deftest lread-string-char-number-1 () (should (equal (read "\"a\\N{U+A817}b\"") "a\uA817b"))) (ert-deftest lread-string-char-number-2 () (should-error (read "?\\N{0.5}") :type 'invalid-read-syntax)) (ert-deftest lread-string-char-number-3 () (should-error (read "?\\N{U+-0}") :type 'invalid-read-syntax)) (ert-deftest lread-string-char-name () (should (equal (read "\"a\\N{SYLOTI NAGRI LETTER DHO}b\"") "a\uA817b"))) (ert-deftest lread-empty-int-literal () "Check that Bug#25120 is fixed." (should-error (read "#b") :type 'invalid-read-syntax) (should-error (read "#o") :type 'invalid-read-syntax) (should-error (read "#x") :type 'invalid-read-syntax) (should-error (read "#24r") :type 'invalid-read-syntax) (should-error (read "#") :type 'invalid-read-syntax)) (ert-deftest lread-record-1 () (should (equal '(#s(foo) #s(foo)) (read "(#1=#s(foo) #1#)")))) (defmacro lread-tests--with-temp-file (file-name-var &rest body) (declare (indent 1)) (cl-check-type file-name-var symbol) `(let ((,file-name-var (make-temp-file "emacs"))) (unwind-protect (progn ,@body) (delete-file ,file-name-var)))) (defun lread-tests--last-message () (with-current-buffer "*Messages*" (save-excursion (goto-char (point-max)) (skip-chars-backward "\n") (buffer-substring (line-beginning-position) (point))))) (ert-deftest lread-tests--unescaped-char-literals () "Check that loading warns about unescaped character literals (Bug#20852)." (lread-tests--with-temp-file file-name (write-region "?) ?( ?; ?\" ?[ ?]" nil file-name) (should (equal (load file-name nil :nomessage :nosuffix) t)) (should (equal (lread-tests--last-message) (concat (format-message "Loading `%s': " file-name) "unescaped character literals " "`?\"', `?(', `?)', `?;', `?[', `?]' detected, " "`?\\\"', `?\\(', `?\\)', `?\\;', `?\\[', `?\\]' " "expected!"))))) (ert-deftest lread-tests--funny-quote-symbols () "Check that 'smart quotes' or similar trigger errors in symbol names." (dolist (quote-char '(#x2018 ;; LEFT SINGLE QUOTATION MARK #x2019 ;; RIGHT SINGLE QUOTATION MARK #x201B ;; SINGLE HIGH-REVERSED-9 QUOTATION MARK #x201C ;; LEFT DOUBLE QUOTATION MARK #x201D ;; RIGHT DOUBLE QUOTATION MARK #x201F ;; DOUBLE HIGH-REVERSED-9 QUOTATION MARK #x301E ;; DOUBLE PRIME QUOTATION MARK #xFF02 ;; FULLWIDTH QUOTATION MARK #xFF07 ;; FULLWIDTH APOSTROPHE )) (let ((str (format "%cfoo" quote-char))) (should-error (read str) :type 'invalid-read-syntax) (should (eq (read (concat "\\" str)) (intern str)))))) (ert-deftest lread-test-bug26837 () "Test for https://debbugs.gnu.org/26837 ." (let ((load-path (cons (file-name-as-directory (expand-file-name "data" (getenv "EMACS_TEST_DIRECTORY"))) load-path))) (load "somelib" nil t) (should (string-suffix-p "/somelib.el" (caar load-history))) (load "somelib2" nil t) (should (string-suffix-p "/somelib2.el" (caar load-history))) (load "somelib" nil t) (should (string-suffix-p "/somelib.el" (caar load-history))))) (ert-deftest lread-tests--old-style-backquotes () "Check that loading doesn't accept old-style backquotes." (lread-tests--with-temp-file file-name (write-region "(` (a b))" nil file-name) (let ((data (should-error (load file-name nil :nomessage :nosuffix)))) (should (equal (cdr data) (list (concat (format-message "Loading `%s': " file-name) "old-style backquotes detected!"))))))) (ert-deftest lread-tests--force-new-style-backquotes () (let ((data (should-error (read "(` (a b))")))) (should (equal (cdr data) '("Old-style backquotes detected!")))) (should (equal (let ((force-new-style-backquotes t)) (read "(` (a b))")) '(`(a b))))) (ert-deftest lread-lread--substitute-object-in-subtree () (let ((x (cons 0 1))) (setcar x x) (lread--substitute-object-in-subtree x 1 t) (should (eq x (cdr x))))) (ert-deftest lread-long-hex-integer () (should (bignump (read "#xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff")))) (ert-deftest lread-test-bug-31186 () (with-temp-buffer (insert ";; -*- -:*-") (should-not ;; This used to crash in lisp_file_lexically_bound_p before the ;; bug was fixed. (eval-buffer)))) (ert-deftest lread-invalid-bytecodes () (should-error (let ((load-force-doc-strings t)) (read "#[0 \"\"]")))) (ert-deftest lread-string-to-number-trailing-dot () (dolist (n (list (* most-negative-fixnum most-negative-fixnum) (1- most-negative-fixnum) most-negative-fixnum (1+ most-negative-fixnum) -1 0 1 (1- most-positive-fixnum) most-positive-fixnum (1+ most-positive-fixnum) (* most-positive-fixnum most-positive-fixnum))) (should (= n (string-to-number (format "%d." n)))))) ;;; lread-tests.el ends here