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
|
/*
* This file is part of mpv.
*
* mpv 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 2.1 of the License, or (at your option) any later version.
*
* mpv 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 mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#include "test_utils.h"
#include <limits.h>
#include "misc/codepoint_width.h"
#define W(s) term_disp_width((bstr)bstr0_lit(s), INT_MAX, &(const unsigned char *){NULL})
int main(void) {
assert_int_equal(W("A"), 1); // Single ASCII character
assert_int_equal(W("ABC"), 3); // Multiple ASCII characters
assert_int_equal(W("\u3042"), 2); // Full-width Japanese Hiragana 'あ' (U+3042)
assert_int_equal(W("\u4F60"), 2); // Full-width Chinese character '你' (U+4F60)
assert_int_equal(W("\u4F60\u597D"), 4); // Two full-width Chinese characters '你好' (U+4F60 U+597D)
assert_int_equal(W("a\u0301"), 1); // 'a' + combining acute accent '́' (U+0301)
assert_int_equal(W("e\u0301"), 1); // 'e' + combining acute accent '́' (U+0301)
assert_int_equal(W("a\u0308"), 1); // 'a' + combining diaeresis '̈' (U+0308)
// Family emoji: 👩❤️👩 (Woman + ZWJ + Heart + ZWJ + Woman;
// Code points: U+1F469 U+200D U+2764 U+FE0F U+200D U+1F469)
assert_int_equal(W("\U0001F469\u200D\u2764\uFE0F\u200D\U0001F469"), 2);
// Man emoji with skin tone modifier
assert_int_equal(W("\U0001F468\U0001F3FE"), 2);
// Person Shrugging + skin tone modifier + ZWJ + woman sign + variant selector
assert_int_equal(W("\U0001F937\U0001F3FE\u200D\U00002640\U0000FE0F"), 2);
// Regional indicator symbols forming the flag of Poland
assert_int_equal(W("\U0001F1F5\U0001F1F1"), 2);
assert_int_equal(W("\n"), 0); // Newline (should not take up any visual space)
assert_int_equal(W("\t"), 8); // Tab (tabstop assumed to be 8)
assert_int_equal(W("\0"), 0); // Null character (non-visible)
assert_int_equal(W("A\u3042"), 3); // ASCII 'A' + full-width Japanese Hiragana 'あ' (U+3042)
assert_int_equal(W("a\u0301A"), 2); // Combining character 'á' (a + U+0301) and ASCII 'A'
// Grapheme cluster + ASCII 'A' + full-width Japanese Hiragana 'あ' (U+3042)
assert_int_equal(W("\U0001F469\u200D\u2764\uFE0F\u200D\U0001F469A\u3042"), 5);
assert_int_equal(W("A\nB"), 2); // ASCII characters with newline (newline should not affect width)
assert_int_equal(W("ABC\tDEF"), 11); // Tab inside a string
// ASCII characters with color
assert_int_equal(W("\033[31mABC\033[0m\033[32mDEF\033[0m"), 6);
// ASCII characters with color and a newline
assert_int_equal(W("\033[31mABC\033[0m\033[32mDEF\033[0m\n"), 6);
// ASCII characters with carriage return
assert_int_equal(W("ABC\rDEF"), 3);
bstr str = bstr0("ABCDEF");
const unsigned char *cut_pos;
cut_pos = NULL;
assert_int_equal(term_disp_width(str, 3, &cut_pos), 3);
assert_int_equal(cut_pos - str.start, 3);
cut_pos = NULL;
assert_int_equal(term_disp_width(str, -2, &cut_pos), 0);
assert_int_equal(cut_pos - str.start, 0);
cut_pos = NULL;
assert_int_equal(term_disp_width(str, str.len, &cut_pos), 6);
if (cut_pos) {
printf("%s:%d: cut_pos != NULL\n", __FILE__, __LINE__);
fflush(stdout);
abort();
}
}
|
