1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
/* Pango
* test-bidi.c: Test bidi apis
*
* Copyright (C) 2021 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <pango/pango.h>
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
static void
test_mirror_char (void)
{
/* just some samples */
struct {
gunichar a;
gunichar b;
} tests[] = {
{ '(', ')' },
{ '<', '>' },
{ '[', ']' },
{ '{', '}' },
{ 0x00ab, 0x00bb },
{ 0x2045, 0x2046 },
{ 0x226e, 0x226f },
};
for (int i = 0; i < G_N_ELEMENTS (tests); i++)
{
gboolean ret;
gunichar ch;
ret = pango_get_mirror_char (tests[i].a, &ch);
g_assert_true (ret);
g_assert_true (ch == tests[i].b);
ret = pango_get_mirror_char (tests[i].b, &ch);
g_assert_true (ret);
g_assert_true (ch == tests[i].a);
}
}
static void
test_bidi_type_for_unichar (void)
{
/* one representative from each class we support */
g_assert_true (pango_bidi_type_for_unichar ('a') == PANGO_BIDI_TYPE_L);
g_assert_true (pango_bidi_type_for_unichar (0x202a) == PANGO_BIDI_TYPE_LRE);
g_assert_true (pango_bidi_type_for_unichar (0x202d) == PANGO_BIDI_TYPE_LRO);
g_assert_true (pango_bidi_type_for_unichar (0x05d0) == PANGO_BIDI_TYPE_R);
g_assert_true (pango_bidi_type_for_unichar (0x0627) == PANGO_BIDI_TYPE_AL);
g_assert_true (pango_bidi_type_for_unichar (0x202b) == PANGO_BIDI_TYPE_RLE);
g_assert_true (pango_bidi_type_for_unichar (0x202e) == PANGO_BIDI_TYPE_RLO);
g_assert_true (pango_bidi_type_for_unichar (0x202c) == PANGO_BIDI_TYPE_PDF);
g_assert_true (pango_bidi_type_for_unichar ('0') == PANGO_BIDI_TYPE_EN);
g_assert_true (pango_bidi_type_for_unichar ('+') == PANGO_BIDI_TYPE_ES);
g_assert_true (pango_bidi_type_for_unichar ('#') == PANGO_BIDI_TYPE_ET);
g_assert_true (pango_bidi_type_for_unichar (0x601) == PANGO_BIDI_TYPE_AN);
g_assert_true (pango_bidi_type_for_unichar (',') == PANGO_BIDI_TYPE_CS);
g_assert_true (pango_bidi_type_for_unichar (0x0301) == PANGO_BIDI_TYPE_NSM);
g_assert_true (pango_bidi_type_for_unichar (0x200d) == PANGO_BIDI_TYPE_BN);
g_assert_true (pango_bidi_type_for_unichar (0x2029) == PANGO_BIDI_TYPE_B);
g_assert_true (pango_bidi_type_for_unichar (0x000b) == PANGO_BIDI_TYPE_S);
g_assert_true (pango_bidi_type_for_unichar (' ') == PANGO_BIDI_TYPE_WS);
g_assert_true (pango_bidi_type_for_unichar ('!') == PANGO_BIDI_TYPE_ON);
/* these are new */
g_assert_true (pango_bidi_type_for_unichar (0x2066) == PANGO_BIDI_TYPE_LRI);
g_assert_true (pango_bidi_type_for_unichar (0x2067) == PANGO_BIDI_TYPE_RLI);
g_assert_true (pango_bidi_type_for_unichar (0x2068) == PANGO_BIDI_TYPE_FSI);
g_assert_true (pango_bidi_type_for_unichar (0x2069) == PANGO_BIDI_TYPE_PDI);
}
static void
test_unichar_direction (void)
{
struct {
gunichar ch;
PangoDirection dir;
} tests[] = {
{ 'a', PANGO_DIRECTION_LTR },
{ '0', PANGO_DIRECTION_NEUTRAL },
{ '.', PANGO_DIRECTION_NEUTRAL },
{ '(', PANGO_DIRECTION_NEUTRAL },
{ 0x05d0, PANGO_DIRECTION_RTL },
};
for (int i = 0; i < G_N_ELEMENTS (tests); i++)
{
g_assert_true (pango_unichar_direction (tests[i].ch) == tests[i].dir);
}
}
G_GNUC_END_IGNORE_DEPRECATIONS
static void
test_bidi_embedding_levels (void)
{
/* Examples taken from https://www.w3.org/International/articles/inline-bidi-markup/uba-basics */
struct {
const char *text;
PangoDirection dir;
const char *levels;
PangoDirection out_dir;
} tests[] = {
{ "bahrain مصر kuwait", PANGO_DIRECTION_LTR, "\0\0\0\0\0\0\0\0\1\1\1\0\0\0\0\0\0\0", PANGO_DIRECTION_LTR },
{ "bahrain مصر kuwait", PANGO_DIRECTION_WEAK_LTR, "\0\0\0\0\0\0\0\0\1\1\1\0\0\0\0\0\0\0", PANGO_DIRECTION_LTR },
{ "bahrain مصر kuwait", PANGO_DIRECTION_RTL, "\2\2\2\2\2\2\2\1\1\1\1\1\2\2\2\2\2\2", PANGO_DIRECTION_RTL },
{ "bahrain مصر kuwait", PANGO_DIRECTION_WEAK_RTL, "\0\0\0\0\0\0\0\0\1\1\1\0\0\0\0\0\0\0", PANGO_DIRECTION_LTR },
{ "The title is مفتاح معايير الويب in Arabic.", PANGO_DIRECTION_LTR, "\0\0\0\0\0\0\0\0\0\0\0\0\0\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\0\0\0\0\0\0\0\0\0\0\0", PANGO_DIRECTION_LTR },
{ "The title is مفتاح معايير الويب, in Arabic.", PANGO_DIRECTION_LTR, "\0\0\0\0\0\0\0\0\0\0\0\0\0\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\0\0\0\0\0\0\0\0\0\0\0\0", PANGO_DIRECTION_LTR },
{ "The title is مفتاح معايير الويب! in Arabic.", PANGO_DIRECTION_LTR, "\0\0\0\0\0\0\0\0\0\0\0\0\0\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\0\1\0\0\0\0\0\0\0\0\0\0\0", PANGO_DIRECTION_LTR }, // FIXME
{ "one two ثلاثة 1234 خمسة", PANGO_DIRECTION_LTR, "\0\0\0\0\0\0\0\0\1\1\1\1\1\1\2\2\2\2\1\1\1\1\1", PANGO_DIRECTION_LTR },
{ "one two ثلاثة ١٢٣٤ خمسة", PANGO_DIRECTION_LTR, "\0\0\0\0\0\0\0\0\1\1\1\1\1\1\2\2\2\2\1\1\1\1\1", PANGO_DIRECTION_LTR },
{ "abאב12cd", PANGO_DIRECTION_LTR, "\0\0\1\1\2\2\0\0" },
{ "abאבxycd", PANGO_DIRECTION_LTR, "\0\0\1\1\1\2\2\2\0\0" },
};
for (int i = 0; i < G_N_ELEMENTS (tests); i++)
{
const char *text = tests[i].text;
PangoDirection dir = tests[i].dir;
guint8 *levels;
gsize len;
levels = pango_log2vis_get_embedding_levels (text, -1, &dir);
len = g_utf8_strlen (text, -1);
if (memcmp (levels, tests[i].levels, sizeof (guint8) * len) != 0)
{
for (int j = 0; j < len; j++)
g_print ("\\%d", levels[j]);
g_print ("\n");
}
g_assert_true (memcmp (levels, tests[i].levels, sizeof (guint8) * len) == 0);
g_assert_true (dir == tests[i].out_dir);
g_free (levels);
}
}
int
main (int argc, char *argv[])
{
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/bidi/mirror-char", test_mirror_char);
g_test_add_func ("/bidi/type-for-unichar", test_bidi_type_for_unichar);
g_test_add_func ("/bidi/unichar-direction", test_unichar_direction);
g_test_add_func ("/bidi/embedding-levels", test_bidi_embedding_levels);
return g_test_run ();
}
|
