1;;;; texinfo.string-utils.test                 -*- scheme -*-
2;;;;
3;;;; Copyright (C) 2003, 2009, 2010, 2013  Free Software Foundation, Inc.
4;;;;
5;;;; This program is free software; you can redistribute it and/or
6;;;; modify it under the terms of the GNU General Public License as
7;;;; published by the Free Software Foundation; either version 3 of the
8;;;; License, or (at your option) any later version.
9;;;;
10;;;; This program is distributed in the hope that it will be useful,
11;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
12;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13;;;; General Public License for more details.
14;;;;
15;;;; You should have received a copy of the GNU General Public License
16;;;; along with this library; if not, write to the Free Software
17;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
18;;;; 02110-1301 USA
19
20(define-module (test-suite test-string-utils)
21  #:use-module (test-suite lib)
22  #:use-module (texinfo string-utils))
23
24
25;; **********************************************************************
26;; Test for expand-tabs
27;; **********************************************************************
28(with-test-prefix "test-beginning-expansion"
29  (pass-if (equal? "        Hello"
30                   (expand-tabs "\tHello")))
31  (pass-if (equal? "                Hello"
32                   (expand-tabs "\t\tHello"))))
33
34(with-test-prefix "test-ending-expansion"
35  (pass-if (equal? "Hello        "
36                   (expand-tabs "Hello\t")))
37  (pass-if (equal? "Hello                "
38                   (expand-tabs "Hello\t\t"))))
39
40(with-test-prefix "test-middle-expansion"
41  (pass-if (equal? "Hello        there" (expand-tabs "Hello\tthere")))
42  (pass-if (equal? "Hello                there" (expand-tabs "Hello\t\tthere"))))
43
44(with-test-prefix "test-alternate-tab-size"
45  (pass-if (equal? "Hello   there"
46                   (expand-tabs "Hello\tthere" 3)))
47  (pass-if (equal? "Hello    there"
48                   (expand-tabs "Hello\tthere" 4)))
49  (pass-if (equal? "Hello     there"
50                   (expand-tabs "Hello\tthere" 5))))
51
52;; **********************************************************************
53;; tests for escape-special-chars
54;; **********************************************************************
55(with-test-prefix "test-single-escape-char"
56  (pass-if (equal? "HeElElo"
57                   (escape-special-chars "Hello" #\l #\E))))
58
59(with-test-prefix "test-multiple-escape-chars"
60  (pass-if (equal? "HEeElElo"
61                   (escape-special-chars "Hello" "el" #\E))))
62
63
64;; **********************************************************************
65;; tests for collapsing-multiple-chars
66;; **********************************************************************
67(with-test-prefix "collapse-repeated-chars"
68  (define test-string
69    "H e  l   l    o     t      h       e        r         e")
70
71  (with-test-prefix "test-basic-collapse"
72    (pass-if (equal? "H e l l o t h e r e"
73                     (collapse-repeated-chars test-string))))
74
75  (with-test-prefix "test-choose-other-char"
76    (pass-if (equal? "H-e-l-l-o-t-h-e-r-e"
77                     (collapse-repeated-chars (transform-string test-string #\space #\-)
78                                              #\-))))
79
80  (with-test-prefix "test-choose-maximum-repeats"
81    (pass-if (equal? "H e  l  l  o  t  h  e  r  e"
82                     (collapse-repeated-chars test-string #\space 2)))
83    (pass-if (equal? "H e  l   l   o   t   h   e   r   e"
84                     (collapse-repeated-chars test-string #\space 3)))))
85
86;; **********************************************************************
87;; Test of the object itself...
88;; **********************************************************************
89(with-test-prefix "text wrapping"
90  (define test-string "
91The last language environment specified with
92`set-language-environment'.   This variable should be
93set only with M-x customize, which is equivalent
94to using the function `set-language-environment'.
95")
96
97  (with-test-prefix "runs-without-exception"
98    (pass-if (->bool (fill-string test-string)))
99    (pass-if (->bool (fill-string test-string #:line-width 20)))
100    (pass-if (->bool (fill-string test-string #:initial-indent " * " #:tab-width 3))))
101
102  (with-test-prefix "test-fill-equivalent-to-joined-lines"
103    (pass-if (equal? (fill-string test-string)
104                     (string-join (string->wrapped-lines test-string) "\n" 'infix))))
105
106  (with-test-prefix "test-no-collapse-ws"
107    (pass-if (equal? (fill-string test-string #:collapse-whitespace? #f)
108                     "The last language environment specified with  `set-language-environment'.   This
109variable should be  set only with M-x customize, which is equivalent to using
110the function `set-language-environment'.")))
111
112  (with-test-prefix "two spaces after end of sentence"
113    (pass-if-equal "This is a sentence.  There should be two spaces before."
114        (fill-string "This is a sentence. There should be two spaces before."))
115
116    (pass-if-equal "This is version 2.0..."
117        (fill-string "This is version 2.0...")))
118
119  (with-test-prefix "test-no-word-break"
120    (pass-if (equal? "thisisalongword
121blah
122blah"
123                     (fill-string "thisisalongword blah blah"
124                                  #:line-width 8
125                                  #:break-long-words? #f)))))
126