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;;; Guile-Git --- GNU Guile bindings of libgit2
;;; Copyright © 2025 Romain Garbage <romain.garbage@inria.fr>
;;;
;;; This file is part of Guile-Git.
;;;
;;; Guile-Git is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or
;;; (at your option) any later version.
;;;
;;; Guile-Git 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
;;; General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with Guile-Git. If not, see <http://www.gnu.org/licenses/>.
(define-module (tests strarray)
#:use-module (srfi srfi-64)
#:use-module (tests helpers)
#:use-module (system foreign)
#:use-module (git)
#:use-module (git structs)
#:use-module (rnrs bytevectors)
#:use-module (bytestructures guile))
(test-begin "strarray")
(define string-list '("aaaa" "bbbbb" "cccccc"))
(define string-number-list '("aaaa" "bbbbb" "cccccc" 12))
(define number-list '(1 2 3 4))
(define (pointer->string-list pointer string-count)
(if (null-pointer? pointer)
'()
(map (compose pointer->string make-pointer)
(pk 'list (bytevector->uint-list
(pk 'bv (pointer->bytevector pointer
(* (sizeof '*)
string-count)))
(native-endianness)
(sizeof '*))))))
(define (strarray->string-count-list strarray)
"Return a list containing the count and the strings (as a string list)
fields of an strarray, in that order."
(let* ((bytestructure ((@@ (git structs) strarray-bytestructure) strarray))
(strings (pk 'strings (bytestructure-ref bytestructure 'strings)))
(count (bytestructure-ref bytestructure 'count)))
(cons count (pointer->string-list (make-pointer strings) count))))
(test-equal "string-list->strarray: empty list"
'(0)
(strarray->string-count-list
(string-list->strarray '())))
(test-equal "string-list->strarray: string list"
(cons (length string-list) string-list)
(strarray->string-count-list
(string-list->strarray string-list)))
(test-equal "string-list->strarray: list containing a non-string element"
"Wrong type argument in position 1 (expecting string): 12"
(catch 'wrong-type-arg
(lambda ()
(string-list->strarray string-number-list))
(lambda (key error fmt args . rest)
(apply format #f fmt args))))
(test-equal "string-list->strarray: list of non-string elements"
"Wrong type argument in position 1 (expecting string): 1"
(catch 'wrong-type-arg
(lambda ()
(string-list->strarray number-list))
(lambda (key error fmt args . rest)
(apply format #f fmt args))))
(test-end)
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