1 ;;;; format.test --- test suite for Guile's CL-ish format -*- scheme -*-
2 ;;;; Matthias Koeppe <mkoeppe@mail.math.uni-magdeburg.de> --- June 2001
4 ;;;; Copyright (C) 2001, 2003, 2004, 2006 Free Software Foundation, Inc.
6 ;;;; This program is free software; you can redistribute it and/or modify
7 ;;;; it under the terms of the GNU General Public License as published by
8 ;;;; the Free Software Foundation; either version 2, or (at your option)
9 ;;;; any later version.
11 ;;;; This program is distributed in the hope that it will be useful,
12 ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
13 ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 ;;;; GNU General Public License for more details.
16 ;;;; You should have received a copy of the GNU General Public License
17 ;;;; along with this software; see the file COPYING. If not, write to
18 ;;;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 ;;;; Boston, MA 02110-1301 USA
21 (define-module (test-format)
22 #:use-module (test-suite lib)
23 #:use-module (ice-9 format))
26 ;;; FORMAT Basic Output
28 (with-test-prefix "format basic output"
29 (pass-if "format ~% produces a new line"
30 (string=? (format "~%") "\n"))
31 (pass-if "format ~& starts a fresh line"
32 (string=? (format "~&abc~&~&") "abc\n"))
33 (pass-if "format ~& is stateless but works properly across outputs via port-column"
35 (with-output-to-string
39 (format #f "~&") ; shall have no effect
42 (pass-if "format ~F (format-out-substr) maintains the column correctly"
43 (= (string-length (format "~@F~20T" 1)) 20)))
49 (with-test-prefix "format"
51 ;; in guile 1.6.4 and earlier, excess arguments were an error, but this
52 ;; changed to follow the common lisp spec
53 (pass-if "excess arguments ignored A"
54 (string=? (format #f "" 1 2 3 4) ""))
55 (pass-if "excess arguments ignored B"
56 (string=? (format #f "~a ~a" 1 2 3 4) "1 2")))
62 (with-test-prefix "~d decimal integer"
64 (with-test-prefix "~@d"
67 (string=? (format #f "~@d" -1) "-1"))
69 ;; in guile 1.6.4 and earlier, ~@d gave "0" but we think "+0" is what the
70 ;; common lisp spec intendes
72 (string=? (format #f "~@d" 0) "+0"))
75 (string=? (format #f "~@d" 1) "+1"))))
81 (with-test-prefix "~f fixed-point"
84 (string=? "1.5" (format #f "~f" 1.5)))
86 ;; in guile prior to 1.6.9 and 1.8.1, leading zeros were incorrectly
87 ;; stripped, moving the decimal point and giving "25.0" here
88 (pass-if "string 02.5"
89 (string=? "2.5" (format #f "~f" "02.5"))))
95 (with-test-prefix "~{ iteration"
97 ;; In Guile 1.6.4 and earlier, the maximum iterations parameter defaulted
98 ;; to 100, but it's now like Common Lisp where the default is no limit
99 (pass-if "no arbitrary iteration limit"
100 (= (string-length (format "~{~a~}" (make-list 200 #\b))) 200)))