guile/test-suite/tests/ramap.test

;;;; ramap.test --- test array mapping functions -*- scheme -*-
;;;; 
;;;; Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc.
;;;;
;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public
;;;; License as published by the Free Software Foundation; either
;;;; version 2.1 of the License, or (at your option) any later version.
;;;; 
;;;; This library 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
;;;; Lesser General Public License for more details.
;;;; 
;;;; You should have received a copy of the GNU Lesser General Public
;;;; License along with this library; if not, write to the Free Software
;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

(define-module (test-suite test-ramap)
  #:use-module (test-suite lib))

;;;
;;; array-index-map!
;;;

(with-test-prefix "array-index-map!"

  (pass-if (let ((nlst '()))
	     (array-index-map! (make-array #f '(1 1))
			       (lambda (n)
				 (set! nlst (cons n nlst))))
	     (equal? nlst '(1)))))

;;;
;;; array-map!
;;;

(with-test-prefix "array-map!"

  (pass-if-exception "no args" exception:wrong-num-args
    (array-map!))

  (pass-if-exception "one arg" exception:wrong-num-args
    (array-map! (make-array #f 5)))

  (with-test-prefix "no sources"

    (pass-if "closure 0"
      (array-map! (make-array #f 5) (lambda () #f))
      #t)

    (pass-if-exception "closure 1" exception:wrong-num-args
      (array-map! (make-array #f 5) (lambda (x) #f)))

    (pass-if-exception "closure 2" exception:wrong-num-args
      (array-map! (make-array #f 5) (lambda (x y) #f)))

    (pass-if-exception "subr_1" exception:wrong-num-args
      (array-map! (make-array #f 5) length))

    (pass-if-exception "subr_2" exception:wrong-num-args
      (array-map! (make-array #f 5) logtest))

    (pass-if-exception "subr_2o" exception:wrong-num-args
      (array-map! (make-array #f 5) number->string))

    (pass-if-exception "dsubr" exception:wrong-num-args
      (array-map! (make-array #f 5) $sqrt))

    (pass-if "rpsubr"
      (let ((a (make-array 'foo 5)))
	(array-map! a =)
	(equal? a (make-array #t 5))))

    (pass-if "asubr"
      (let ((a (make-array 'foo 5)))
	(array-map! a +)
	(equal? a (make-array 0 5))))

    ;; in Guile 1.6.4 and earlier this resulted in a segv
    (pass-if "noop"
      (array-map! (make-array #f 5) noop)
      #t))

  (with-test-prefix "one source"

    (pass-if-exception "closure 0" exception:wrong-num-args
      (array-map! (make-array #f 5) (lambda () #f)
		  (make-array #f 5)))

    (pass-if "closure 1"
      (let ((a (make-array #f 5)))
	(array-map! a (lambda (x) 'foo) (make-array #f 5))
	(equal? a (make-array 'foo 5))))

    (pass-if-exception "closure 2" exception:wrong-num-args
      (array-map! (make-array #f 5) (lambda (x y) #f)
		  (make-array #f 5)))

    (pass-if "subr_1"
      (let ((a (make-array #f 5)))
	(array-map! a length (make-array '(x y z) 5))
	(equal? a (make-array 3 5))))

    (pass-if-exception "subr_2" exception:wrong-num-args
      (array-map! (make-array #f 5) logtest
		  (make-array 999 5)))

    (pass-if "subr_2o"
      (let ((a (make-array #f 5)))
	(array-map! a number->string (make-array 99 5))
	(equal? a (make-array "99" 5))))

    (pass-if "dsubr"
      (let ((a (make-array #f 5)))
	(array-map! a $sqrt (make-array 16.0 5))
	(equal? a (make-array 4.0 5))))

    (pass-if "rpsubr"
      (let ((a (make-array 'foo 5)))
	(array-map! a = (make-array 0 5))
	(equal? a (make-array #t 5))))

    (pass-if "asubr"
      (let ((a (make-array 'foo 5)))
	(array-map! a - (make-array 99 5))
	(equal? a (make-array -99 5))))

    ;; in Guile 1.6.5 and 1.6.6 this was an error
    (pass-if "1+"
      (let ((a (make-array #f 5)))
	(array-map! a 1+ (make-array 123 5))
	(equal? a (make-array 124 5)))))

  (with-test-prefix "two sources"

    (pass-if-exception "closure 0" exception:wrong-num-args
      (array-map! (make-array #f 5) (lambda () #f)
		  (make-array #f 5) (make-array #f 5)))

    (pass-if-exception "closure 1" exception:wrong-num-args
      (array-map! (make-array #f 5) (lambda (x) #f)
		  (make-array #f 5) (make-array #f 5)))

    (pass-if "closure 2"
      (let ((a (make-array #f 5)))
	(array-map! a (lambda (x y) 'foo)
		    (make-array #f 5) (make-array #f 5))
	(equal? a (make-array 'foo 5))))

    (pass-if-exception "subr_1" exception:wrong-type-arg
      (array-map! (make-array #f 5) length
		  (make-array #f 5) (make-array #f 5)))

    (pass-if "subr_2"
      (let ((a (make-array 'foo 5)))
	(array-map! a logtest
		    (make-array 999 5) (make-array 999 5))
	(equal? a (make-array #t 5))))

    (pass-if "subr_2o"
      (let ((a (make-array #f 5)))
	(array-map! a number->string
		    (make-array 32 5) (make-array 16 5))
	(equal? a (make-array "20" 5))))

    (pass-if "dsubr"
      (let ((a (make-array #f 5)))
	(array-map! a $sqrt
		    (make-array 16.0 5) (make-array 16.0 5))
	(equal? a (make-array 4.0 5))))

    (pass-if "rpsubr"
      (let ((a (make-array 'foo 5)))
	(array-map! a = (make-array 99 5) (make-array 77 5))
	(equal? a (make-array #f 5))))

    (pass-if "asubr"
      (let ((a (make-array 'foo 5)))
	(array-map! a - (make-array 99 5) (make-array 11 5))
	(equal? a (make-array 88 5))))

    (pass-if "+"
      (let ((a (make-array #f 4)))
	(array-map! a + #(1 2 3 4) #(5 6 7 8))
	(equal? a #(6 8 10 12))))))