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
|
#include <assert.h>
#include <locale.h>
#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <wchar.h>
#if UINTPTR_MAX == UINT64_MAX
#define WCHAR_SPEC ""
#else
#define WCHAR_SPEC "l"
#endif
/*
* The code in this test is taken from https://github.com/termux/wcwidth/,
* under the following license:
*
* Copyright (C) Fredrik Fornwall 2016.
* Distributed under the MIT License.
*
* Implementation of wcwidth(3) as a C port of:
* https://github.com/jquast/wcwidth
*
* Report issues at:
* https://github.com/termux/wcwidth
*/
static int tests_run;
static int test_failures;
void assertWidthIs(int expected_width, wchar_t c) {
tests_run++;
int actual_width = wcwidth(c);
if (actual_width != expected_width) {
fprintf(stderr, "ERROR: wcwidth(U+%04" WCHAR_SPEC "x, '%lc') returned %d, expected %d\n", c, (wint_t) c, actual_width, expected_width);
test_failures++;
}
}
int main() {
setlocale(LC_CTYPE, "C.UTF-8");
assertWidthIs(1, 'a');
assertWidthIs(1, L'ö');
// Some wide:
assertWidthIs(2, L'Ａ');
assertWidthIs(2, L'Ｂ');
assertWidthIs(2, L'Ｃ');
assertWidthIs(2, L'中');
assertWidthIs(2, L'文');
assertWidthIs(2, 0x679C);
assertWidthIs(2, 0x679D);
assertWidthIs(2, 0x2070E);
assertWidthIs(2, 0x20731);
#ifndef USE_HOST_LIBC
assertWidthIs(1, 0x11A3);
#endif
assertWidthIs(2, 0x1F428); // Koala emoji.
assertWidthIs(2, 0x231a); // Watch emoji.
if (test_failures > 0) printf("%d tests FAILED, ", test_failures);
printf("%d tests OK\n", tests_run - test_failures);
return (test_failures == 0) ? 0 : 1;
}
|
