tests/character.pure.lisp

   1 ;;;; various CHARACTER tests without side effects
   2
   3 ;;;; This software is part of the SBCL system. See the README file for
   4 ;;;; more information.
   5 ;;;;
   6 ;;;; While most of SBCL is derived from the CMU CL system, the test
   7 ;;;; files (like this one) were written from scratch after the fork
   8 ;;;; from CMU CL.
   9 ;;;;
  10 ;;;; This software is in the public domain and is provided with
  11 ;;;; absolutely no warranty. See the COPYING and CREDITS files for
  12 ;;;; more information.
  13
  14 (cl:in-package :cl-user)
  15
  16 ;;; ANSI's specification of #'CHAR-NAME imposes these constraints.
  17 ;;;
  18 ;;; (Obviously, the numeric values in this test implicitly assume
  19 ;;; we're using an ASCII-based character set.)
  20 (dolist (i '(("Newline" 10)
  21              ;; (ANSI also imposes a constraint on the "semi-standard
  22              ;; character" "Linefeed", but in ASCII as interpreted by
  23              ;; Unix it's shadowed by "Newline" and so doesn't exist
  24              ;; as a separate character.)
  25              ("Space" 32)
  26              ("Tab" 9)
  27              ("Page" 12)
  28              ("Rubout" 127)
  29              ("Return" 13)
  30              ("Backspace" 8)))
  31   (destructuring-bind (name code) i
  32     (let ((named-char (name-char name))
  33           (coded-char (code-char code)))
  34       (assert (eql named-char coded-char))
  35       (assert (characterp named-char))
  36       (let ((coded-char-name (char-name coded-char)))
  37         (assert (string= name coded-char-name))))))
  38
  39 ;;; Trivial tests for some unicode names
  40 #+sb-unicode
  41 (dolist (d '(("LATIN_CAPITAL_LETTER_A" 65)
  42              ("LATIN_SMALL_LETTER_A" 97)
  43              ("LATIN_SMALL_LETTER_CLOSED_OPEN_E" 666)
  44              ("DIGRAM_FOR_GREATER_YIN" 9871)))
  45   (destructuring-bind (name code) d
  46     (assert (eql (code-char code) (name-char (string-downcase name))))
  47     (assert (equal name (char-name (code-char code))))))
  48
  49 ;;; bug 230: CHAR= didn't check types of &REST arguments
  50 (dolist (form '((code-char char-code-limit)
  51                 (standard-char-p "a")
  52                 (graphic-char-p "a")
  53                 (alpha-char-p "a")
  54                 (upper-case-p "a")
  55                 (lower-case-p "a")
  56                 (both-case-p "a")
  57                 (digit-char-p "a")
  58                 (alphanumericp "a")
  59                 (char= #\a "a")
  60                 (char/= #\a "a")
  61                 (char< #\a #\b "c")
  62                 (char-equal #\a #\a "b")
  63                 (digit-char -1)
  64                 (digit-char 4 1)
  65                 (digit-char 4 37)))
  66   (assert (raises-error? (apply (car form) (mapcar 'eval (cdr form))) type-error)))
  67
  68 (dotimes (i 256)
  69   (let* ((char (code-char i))
  70          (graphicp (graphic-char-p char))
  71          (name (char-name char)))
  72     (unless graphicp
  73       (assert name))))
  74
  75 (assert (null (name-char 'foo)))
  76
  77 ;;; Between 1.0.4.53 and 1.0.4.69 character untagging was broken on
  78 ;;; x86-64 if the result of the VOP was allocated on the stack, failing
  79 ;;; an aver in the compiler.
  80 (with-test (:name :character-untagging)
  81   (compile nil
  82            '(lambda (c0 c1 c2 c3 c4 c5 c6 c7
  83                      c8 c9 ca cb cc cd ce cf)
  84              (declare (type character c0 c1 c2 c3 c4 c5 c6 c7
  85                        c8 c9 ca cb cc cd ce cf))
  86              (char< c0 c1 c2 c3 c4 c5 c6 c7
  87               c8 c9 ca cb cc cd ce cf))))