;;;; vectors.test --- test suite for Guile's vector functions -*- scheme -*-
;;;;
;;;; Copyright (C) 2003, 2006, 2010 Free Software Foundation, Inc.
;;;; 
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;;;; it under the terms of the GNU General Public License as published by
;;;; the Free Software Foundation; either version 2, or (at your option)
;;;; any later version.
;;;; 
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;;;; 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.
;;;; 
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;;;; along with this software; see the file COPYING.  If not, write to
;;;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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(define-module (test-suite vectors)
  :use-module (test-suite lib))

;; FIXME:  As soon as guile supports immutable vectors, this has to be
;; replaced with the appropriate error type and message.
(define exception:immutable-vector
  (cons 'some-error-type "^trying to modify an immutable vector"))


(with-test-prefix "vector-set!"

  (expect-fail-exception "vector constant"
    exception:immutable-vector
    (vector-set! '#(1 2 3) 0 4)))

(with-test-prefix "vector->list"

  (pass-if "simple vector"
    (equal? '(1 2 3) (vector->list #(1 2 3))))

  (pass-if "shared array"
    (let ((b (make-shared-array #(1) (lambda (x) '(0)) 2)))
      (equal? b (list->vector (vector->list b))))))

(with-test-prefix "vector-move-left!"

  (pass-if-exception "before start" exception:out-of-range
    (let ((a (vector 1 2 3 4 5 6 7 8 9))
          (b (vector 10 20 30 40 50 60 70 80 90)))
      (vector-move-left! a 3 5 b -1)))

  (pass-if "beginning"
    (let ((a (vector 1 2 3 4 5 6 7 8 9))
          (b (vector 10 20 30 40 50 60 70 80 90)))
      (vector-move-left! a 3 5 b 0)
      (equal? b #(4 5 30 40 50 60 70 80 90))))

  (pass-if "middle"
    (let ((a (vector 1 2 3 4 5 6 7 8 9))
          (b (vector 10 20 30 40 50 60 70 80 90)))
      (vector-move-left! a 3 5 b 2)
      (equal? b #(10 20 4 5 50 60 70 80 90))))

  (pass-if "overlap -"
    (let ((a (vector 1 2 3 4 5 6 7 8 9)))
      (vector-move-left! a 3 5 a 2)
      (equal? a #(1 2 4 5 5 6 7 8 9))))

  (pass-if "overlap +"
    (let ((a (vector 1 2 3 4 5 6 7 8 9)))
      (vector-move-left! a 3 5 a 4)
      (equal? a #(1 2 3 4 4 4 7 8 9))))

  (pass-if "end"
    (let ((a (vector 1 2 3 4 5 6 7 8 9))
          (b (vector 10 20 30 40 50 60 70 80 90)))
       (vector-move-left! a 3 5 b 7)
       (equal? b #(10 20 30 40 50 60 70 4 5))))

  (pass-if-exception "past end" exception:out-of-range
    (let ((a (vector 1 2 3 4 5 6 7 8 9))
          (b (vector 10 20 30 40 50 60 70 80 90)))
      (vector-move-left! a 3 5 b 8))))

(with-test-prefix "vector-move-right!"

  (pass-if-exception "before start" exception:out-of-range
    (let ((a (vector 1 2 3 4 5 6 7 8 9))
          (b (vector 10 20 30 40 50 60 70 80 90)))
      (vector-move-right! a 3 5 b -1)))

  (pass-if "beginning"
    (let ((a (vector 1 2 3 4 5 6 7 8 9))
          (b (vector 10 20 30 40 50 60 70 80 90)))
      (vector-move-right! a 3 5 b 0)
      (equal? b #(4 5 30 40 50 60 70 80 90))))

  (pass-if "middle"
    (let ((a (vector 1 2 3 4 5 6 7 8 9))
          (b (vector 10 20 30 40 50 60 70 80 90)))
      (vector-move-right! a 3 5 b 2)
      (equal? b #(10 20 4 5 50 60 70 80 90))))

  (pass-if "overlap -"
    (let ((a (vector 1 2 3 4 5 6 7 8 9)))
      (vector-move-right! a 3 5 a 2)
      (equal? a #(1 2 5 5 5 6 7 8 9))))

  (pass-if "overlap +"
    (let ((a (vector 1 2 3 4 5 6 7 8 9)))
      (vector-move-right! a 3 5 a 4)
      (equal? a #(1 2 3 4 4 5 7 8 9))))

  (pass-if "end"
    (let ((a (vector 1 2 3 4 5 6 7 8 9))
          (b (vector 10 20 30 40 50 60 70 80 90)))
       (vector-move-right! a 3 5 b 7)
       (equal? b #(10 20 30 40 50 60 70 4 5))))

  (pass-if-exception "past end" exception:out-of-range
    (let ((a (vector 1 2 3 4 5 6 7 8 9))
          (b (vector 10 20 30 40 50 60 70 80 90)))
      (vector-move-right! a 3 5 b 8))))