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guile/test-suite/tests/vectors.test
Andy Wingo 551b96d294 fix vector-move-right! and vector-move-left!
* libguile/vectors.c (scm_vector_move_left_x, scm_vector_move_right_x):
  Fix some bugs reported by Michael Lucy -- both variants would happily
  write beyond the end, and vector-move-right! didn't increment the
  counter before copying in the reverse direction.

* test-suite/tests/vectors.test ("vector-move-left!"):
  ("vector-move-right!"): Add tests.
2010-08-04 21:48:00 +02:00

143 lines
4.7 KiB
Scheme

;;;; vectors.test --- test suite for Guile's vector functions -*- scheme -*-
;;;;
;;;; Copyright (C) 2003, 2006, 2010 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 3 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 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 "string vector 1"
(equal? '("abc" "def" "ghi") (vector->list #("abc" "def" "ghi"))))
(pass-if "string-vector 2"
(equal? '("abc\u0100" "def\u0101" "ghi\u0102")
(vector->list #("abc\u0100" "def\u0101" "ghi\u0102"))))
(pass-if "shared array"
(let ((b (make-shared-array #(1) (lambda (x) '(0)) 2)))
(equal? b (list->vector (vector->list b))))))
(with-test-prefix "make-vector"
(pass-if "null"
(equal? #() (make-vector 0)))
(pass-if "fill with num"
(equal? #(1 1 1) (make-vector 3 1)))
(pass-if "fill with string"
(equal? #("abc" "abc" "abc") (make-vector 3 "abc")))
(pass-if "fill with string 2"
(equal? #("ab\u0100" "ab\u0100" "ab\u0100")
(make-vector 3 "ab\u0100"))))
(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))))