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625b43acc7
* module/ice-9/format.scm (format:parse-float): Accept a number, and
when stringifying the number, first convert to inexact.
* test-suite/tests/format.test ("~f fixed-point"): Add exact rational
test.
102 lines
3.1 KiB
Scheme
102 lines
3.1 KiB
Scheme
;;;; format.test --- test suite for Guile's CL-ish format -*- scheme -*-
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;;;; Matthias Koeppe <mkoeppe@mail.math.uni-magdeburg.de> --- June 2001
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;;;;
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;;;; Copyright (C) 2001, 2003, 2004, 2006, 2010 Free Software Foundation, Inc.
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;;;;
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;;;; This library is free software; you can redistribute it and/or
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;;;; modify it under the terms of the GNU Lesser General Public
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;;;; License as published by the Free Software Foundation; either
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;;;; version 3 of the License, or (at your option) any later version.
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;;;;
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;;;; This library is distributed in the hope that it will be useful,
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;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;;;; Lesser General Public License for more details.
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;;;;
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;;;; You should have received a copy of the GNU Lesser General Public
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;;;; License along with this library; if not, write to the Free Software
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;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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(define-module (test-format)
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#:use-module (test-suite lib)
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#:use-module (ice-9 format))
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;;; FORMAT Basic Output
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(with-test-prefix "format basic output"
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(pass-if "format ~% produces a new line"
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(string=? (format "~%") "\n"))
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(pass-if "format ~& starts a fresh line"
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(string=? (format "~&abc~&~&") "abc\n"))
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(pass-if "format ~& is stateless but works properly across outputs via port-column"
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(string=?
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(with-output-to-string
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(lambda ()
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(display "xyz")
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(format #t "~&abc")
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(format #f "~&") ; shall have no effect
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(format #t "~&~&")))
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"xyz\nabc\n"))
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(pass-if "format ~F (format-out-substr) maintains the column correctly"
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(= (string-length (format "~@F~20T" 1)) 20)))
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;;;
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;;; misc
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;;;
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(with-test-prefix "format"
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;; in guile 1.6.4 and earlier, excess arguments were an error, but this
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;; changed to follow the common lisp spec
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(pass-if "excess arguments ignored A"
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(string=? (format #f "" 1 2 3 4) ""))
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(pass-if "excess arguments ignored B"
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(string=? (format #f "~a ~a" 1 2 3 4) "1 2")))
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;;;
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;;; ~d
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;;;
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(with-test-prefix "~d decimal integer"
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(with-test-prefix "~@d"
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(pass-if "-1"
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(string=? (format #f "~@d" -1) "-1"))
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;; in guile 1.6.4 and earlier, ~@d gave "0" but we think "+0" is what the
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;; common lisp spec intendes
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(pass-if "+0"
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(string=? (format #f "~@d" 0) "+0"))
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(pass-if "+1"
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(string=? (format #f "~@d" 1) "+1"))))
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;;;
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;;; ~f
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;;;
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(with-test-prefix "~f fixed-point"
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(pass-if "1.5"
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(string=? "1.5" (format #f "~f" 1.5)))
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(pass-if "3/2"
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(string=? "1.5" (format #f "~f" 3/2)))
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;; in guile prior to 1.6.9 and 1.8.1, leading zeros were incorrectly
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;; stripped, moving the decimal point and giving "25.0" here
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(pass-if "string 02.5"
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(string=? "2.5" (format #f "~f" "02.5"))))
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;;;
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;;; ~{
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;;;
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(with-test-prefix "~{ iteration"
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;; In Guile 1.6.4 and earlier, the maximum iterations parameter defaulted
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;; to 100, but it's now like Common Lisp where the default is no limit
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(pass-if "no arbitrary iteration limit"
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(= (string-length (format "~{~a~}" (make-list 200 #\b))) 200)))
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