19c92ab61SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only
2f0d6cc00SGabriel Krisman Bertazi /*
3f0d6cc00SGabriel Krisman Bertazi * Kernel module for testing utf-8 support.
4f0d6cc00SGabriel Krisman Bertazi *
5f0d6cc00SGabriel Krisman Bertazi * Copyright 2017 Collabora Ltd.
6f0d6cc00SGabriel Krisman Bertazi */
7f0d6cc00SGabriel Krisman Bertazi
8f0d6cc00SGabriel Krisman Bertazi #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
9f0d6cc00SGabriel Krisman Bertazi
10f0d6cc00SGabriel Krisman Bertazi #include <linux/module.h>
11f0d6cc00SGabriel Krisman Bertazi #include <linux/printk.h>
12f0d6cc00SGabriel Krisman Bertazi #include <linux/unicode.h>
13f0d6cc00SGabriel Krisman Bertazi #include <linux/dcache.h>
14f0d6cc00SGabriel Krisman Bertazi
15f0d6cc00SGabriel Krisman Bertazi #include "utf8n.h"
16f0d6cc00SGabriel Krisman Bertazi
17f0d6cc00SGabriel Krisman Bertazi unsigned int failed_tests;
18f0d6cc00SGabriel Krisman Bertazi unsigned int total_tests;
19f0d6cc00SGabriel Krisman Bertazi
20f0d6cc00SGabriel Krisman Bertazi /* Tests will be based on this version. */
216ca99ce7SChristoph Hellwig #define UTF8_LATEST UNICODE_AGE(12, 1, 0)
22f0d6cc00SGabriel Krisman Bertazi
23f0d6cc00SGabriel Krisman Bertazi #define _test(cond, func, line, fmt, ...) do { \
24f0d6cc00SGabriel Krisman Bertazi total_tests++; \
25f0d6cc00SGabriel Krisman Bertazi if (!cond) { \
26f0d6cc00SGabriel Krisman Bertazi failed_tests++; \
27f0d6cc00SGabriel Krisman Bertazi pr_err("test %s:%d Failed: %s%s", \
28f0d6cc00SGabriel Krisman Bertazi func, line, #cond, (fmt?":":".")); \
29f0d6cc00SGabriel Krisman Bertazi if (fmt) \
30f0d6cc00SGabriel Krisman Bertazi pr_err(fmt, ##__VA_ARGS__); \
31f0d6cc00SGabriel Krisman Bertazi } \
32f0d6cc00SGabriel Krisman Bertazi } while (0)
33f0d6cc00SGabriel Krisman Bertazi #define test_f(cond, fmt, ...) _test(cond, __func__, __LINE__, fmt, ##__VA_ARGS__)
34f0d6cc00SGabriel Krisman Bertazi #define test(cond) _test(cond, __func__, __LINE__, "")
35f0d6cc00SGabriel Krisman Bertazi
36334b427eSKrzysztof Wilczynski static const struct {
37f0d6cc00SGabriel Krisman Bertazi /* UTF-8 strings in this vector _must_ be NULL-terminated. */
38f0d6cc00SGabriel Krisman Bertazi unsigned char str[10];
39f0d6cc00SGabriel Krisman Bertazi unsigned char dec[10];
40f0d6cc00SGabriel Krisman Bertazi } nfdi_test_data[] = {
41f0d6cc00SGabriel Krisman Bertazi /* Trivial sequence */
42f0d6cc00SGabriel Krisman Bertazi {
43f0d6cc00SGabriel Krisman Bertazi /* "ABba" decomposes to itself */
44f0d6cc00SGabriel Krisman Bertazi .str = "aBba",
45f0d6cc00SGabriel Krisman Bertazi .dec = "aBba",
46f0d6cc00SGabriel Krisman Bertazi },
47f0d6cc00SGabriel Krisman Bertazi /* Simple equivalent sequences */
48f0d6cc00SGabriel Krisman Bertazi {
49f0d6cc00SGabriel Krisman Bertazi /* 'VULGAR FRACTION ONE QUARTER' cannot decompose to
50f0d6cc00SGabriel Krisman Bertazi 'NUMBER 1' + 'FRACTION SLASH' + 'NUMBER 4' on
51f0d6cc00SGabriel Krisman Bertazi canonical decomposition */
52f0d6cc00SGabriel Krisman Bertazi .str = {0xc2, 0xbc, 0x00},
53f0d6cc00SGabriel Krisman Bertazi .dec = {0xc2, 0xbc, 0x00},
54f0d6cc00SGabriel Krisman Bertazi },
55f0d6cc00SGabriel Krisman Bertazi {
56f0d6cc00SGabriel Krisman Bertazi /* 'LATIN SMALL LETTER A WITH DIAERESIS' decomposes to
57f0d6cc00SGabriel Krisman Bertazi 'LETTER A' + 'COMBINING DIAERESIS' */
58f0d6cc00SGabriel Krisman Bertazi .str = {0xc3, 0xa4, 0x00},
59f0d6cc00SGabriel Krisman Bertazi .dec = {0x61, 0xcc, 0x88, 0x00},
60f0d6cc00SGabriel Krisman Bertazi },
61f0d6cc00SGabriel Krisman Bertazi {
62f0d6cc00SGabriel Krisman Bertazi /* 'LATIN SMALL LETTER LJ' can't decompose to
63f0d6cc00SGabriel Krisman Bertazi 'LETTER L' + 'LETTER J' on canonical decomposition */
64f0d6cc00SGabriel Krisman Bertazi .str = {0xC7, 0x89, 0x00},
65f0d6cc00SGabriel Krisman Bertazi .dec = {0xC7, 0x89, 0x00},
66f0d6cc00SGabriel Krisman Bertazi },
67f0d6cc00SGabriel Krisman Bertazi {
68f0d6cc00SGabriel Krisman Bertazi /* GREEK ANO TELEIA decomposes to MIDDLE DOT */
69f0d6cc00SGabriel Krisman Bertazi .str = {0xCE, 0x87, 0x00},
70f0d6cc00SGabriel Krisman Bertazi .dec = {0xC2, 0xB7, 0x00}
71f0d6cc00SGabriel Krisman Bertazi },
72f0d6cc00SGabriel Krisman Bertazi /* Canonical ordering */
73f0d6cc00SGabriel Krisman Bertazi {
74f0d6cc00SGabriel Krisman Bertazi /* A + 'COMBINING ACUTE ACCENT' + 'COMBINING OGONEK' decomposes
75f0d6cc00SGabriel Krisman Bertazi to A + 'COMBINING OGONEK' + 'COMBINING ACUTE ACCENT' */
76f0d6cc00SGabriel Krisman Bertazi .str = {0x41, 0xcc, 0x81, 0xcc, 0xa8, 0x0},
77f0d6cc00SGabriel Krisman Bertazi .dec = {0x41, 0xcc, 0xa8, 0xcc, 0x81, 0x0},
78f0d6cc00SGabriel Krisman Bertazi },
79f0d6cc00SGabriel Krisman Bertazi {
80f0d6cc00SGabriel Krisman Bertazi /* 'LATIN SMALL LETTER A WITH DIAERESIS' + 'COMBINING OGONEK'
81f0d6cc00SGabriel Krisman Bertazi decomposes to
82f0d6cc00SGabriel Krisman Bertazi 'LETTER A' + 'COMBINING OGONEK' + 'COMBINING DIAERESIS' */
83f0d6cc00SGabriel Krisman Bertazi .str = {0xc3, 0xa4, 0xCC, 0xA8, 0x00},
84f0d6cc00SGabriel Krisman Bertazi
85f0d6cc00SGabriel Krisman Bertazi .dec = {0x61, 0xCC, 0xA8, 0xcc, 0x88, 0x00},
86f0d6cc00SGabriel Krisman Bertazi },
87f0d6cc00SGabriel Krisman Bertazi
88f0d6cc00SGabriel Krisman Bertazi };
89f0d6cc00SGabriel Krisman Bertazi
90334b427eSKrzysztof Wilczynski static const struct {
91f0d6cc00SGabriel Krisman Bertazi /* UTF-8 strings in this vector _must_ be NULL-terminated. */
92f0d6cc00SGabriel Krisman Bertazi unsigned char str[30];
93f0d6cc00SGabriel Krisman Bertazi unsigned char ncf[30];
94f0d6cc00SGabriel Krisman Bertazi } nfdicf_test_data[] = {
95f0d6cc00SGabriel Krisman Bertazi /* Trivial sequences */
96f0d6cc00SGabriel Krisman Bertazi {
97f0d6cc00SGabriel Krisman Bertazi /* "ABba" folds to lowercase */
98f0d6cc00SGabriel Krisman Bertazi .str = {0x41, 0x42, 0x62, 0x61, 0x00},
99f0d6cc00SGabriel Krisman Bertazi .ncf = {0x61, 0x62, 0x62, 0x61, 0x00},
100f0d6cc00SGabriel Krisman Bertazi },
101f0d6cc00SGabriel Krisman Bertazi {
102f0d6cc00SGabriel Krisman Bertazi /* All ASCII folds to lower-case */
103f0d6cc00SGabriel Krisman Bertazi .str = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0.1",
104f0d6cc00SGabriel Krisman Bertazi .ncf = "abcdefghijklmnopqrstuvwxyz0.1",
105f0d6cc00SGabriel Krisman Bertazi },
106f0d6cc00SGabriel Krisman Bertazi {
107f0d6cc00SGabriel Krisman Bertazi /* LATIN SMALL LETTER SHARP S folds to
108f0d6cc00SGabriel Krisman Bertazi LATIN SMALL LETTER S + LATIN SMALL LETTER S */
109f0d6cc00SGabriel Krisman Bertazi .str = {0xc3, 0x9f, 0x00},
110f0d6cc00SGabriel Krisman Bertazi .ncf = {0x73, 0x73, 0x00},
111f0d6cc00SGabriel Krisman Bertazi },
112f0d6cc00SGabriel Krisman Bertazi {
113f0d6cc00SGabriel Krisman Bertazi /* LATIN CAPITAL LETTER A WITH RING ABOVE folds to
114f0d6cc00SGabriel Krisman Bertazi LATIN SMALL LETTER A + COMBINING RING ABOVE */
115f0d6cc00SGabriel Krisman Bertazi .str = {0xC3, 0x85, 0x00},
116f0d6cc00SGabriel Krisman Bertazi .ncf = {0x61, 0xcc, 0x8a, 0x00},
117f0d6cc00SGabriel Krisman Bertazi },
118f0d6cc00SGabriel Krisman Bertazi /* Introduced by UTF-8.0.0. */
119f0d6cc00SGabriel Krisman Bertazi /* Cherokee letters are interesting test-cases because they fold
120f0d6cc00SGabriel Krisman Bertazi to upper-case. Before 8.0.0, Cherokee lowercase were
121f0d6cc00SGabriel Krisman Bertazi undefined, thus, the folding from LC is not stable between
122f0d6cc00SGabriel Krisman Bertazi 7.0.0 -> 8.0.0, but it is from UC. */
123f0d6cc00SGabriel Krisman Bertazi {
124f0d6cc00SGabriel Krisman Bertazi /* CHEROKEE SMALL LETTER A folds to CHEROKEE LETTER A */
125f0d6cc00SGabriel Krisman Bertazi .str = {0xea, 0xad, 0xb0, 0x00},
126f0d6cc00SGabriel Krisman Bertazi .ncf = {0xe1, 0x8e, 0xa0, 0x00},
127f0d6cc00SGabriel Krisman Bertazi },
128f0d6cc00SGabriel Krisman Bertazi {
129f0d6cc00SGabriel Krisman Bertazi /* CHEROKEE SMALL LETTER YE folds to CHEROKEE LETTER YE */
130f0d6cc00SGabriel Krisman Bertazi .str = {0xe1, 0x8f, 0xb8, 0x00},
131f0d6cc00SGabriel Krisman Bertazi .ncf = {0xe1, 0x8f, 0xb0, 0x00},
132f0d6cc00SGabriel Krisman Bertazi },
133f0d6cc00SGabriel Krisman Bertazi {
134f0d6cc00SGabriel Krisman Bertazi /* OLD HUNGARIAN CAPITAL LETTER AMB folds to
135f0d6cc00SGabriel Krisman Bertazi OLD HUNGARIAN SMALL LETTER AMB */
136f0d6cc00SGabriel Krisman Bertazi .str = {0xf0, 0x90, 0xb2, 0x83, 0x00},
137f0d6cc00SGabriel Krisman Bertazi .ncf = {0xf0, 0x90, 0xb3, 0x83, 0x00},
138f0d6cc00SGabriel Krisman Bertazi },
139f0d6cc00SGabriel Krisman Bertazi /* Introduced by UTF-9.0.0. */
140f0d6cc00SGabriel Krisman Bertazi {
141f0d6cc00SGabriel Krisman Bertazi /* OSAGE CAPITAL LETTER CHA folds to
142f0d6cc00SGabriel Krisman Bertazi OSAGE SMALL LETTER CHA */
143f0d6cc00SGabriel Krisman Bertazi .str = {0xf0, 0x90, 0x92, 0xb5, 0x00},
144f0d6cc00SGabriel Krisman Bertazi .ncf = {0xf0, 0x90, 0x93, 0x9d, 0x00},
145f0d6cc00SGabriel Krisman Bertazi },
146f0d6cc00SGabriel Krisman Bertazi {
147f0d6cc00SGabriel Krisman Bertazi /* LATIN CAPITAL LETTER SMALL CAPITAL I folds to
148f0d6cc00SGabriel Krisman Bertazi LATIN LETTER SMALL CAPITAL I */
149f0d6cc00SGabriel Krisman Bertazi .str = {0xea, 0x9e, 0xae, 0x00},
150f0d6cc00SGabriel Krisman Bertazi .ncf = {0xc9, 0xaa, 0x00},
151f0d6cc00SGabriel Krisman Bertazi },
152f0d6cc00SGabriel Krisman Bertazi /* Introduced by UTF-11.0.0. */
153f0d6cc00SGabriel Krisman Bertazi {
154f0d6cc00SGabriel Krisman Bertazi /* GEORGIAN SMALL LETTER AN folds to GEORGIAN MTAVRULI
155f0d6cc00SGabriel Krisman Bertazi CAPITAL LETTER AN */
156f0d6cc00SGabriel Krisman Bertazi .str = {0xe1, 0xb2, 0x90, 0x00},
157f0d6cc00SGabriel Krisman Bertazi .ncf = {0xe1, 0x83, 0x90, 0x00},
158f0d6cc00SGabriel Krisman Bertazi }
159f0d6cc00SGabriel Krisman Bertazi };
160f0d6cc00SGabriel Krisman Bertazi
utf8len(const struct unicode_map * um,enum utf8_normalization n,const char * s)1616ca99ce7SChristoph Hellwig static ssize_t utf8len(const struct unicode_map *um, enum utf8_normalization n,
162fbc59d65SChristoph Hellwig const char *s)
163fbc59d65SChristoph Hellwig {
1646ca99ce7SChristoph Hellwig return utf8nlen(um, n, s, (size_t)-1);
165fbc59d65SChristoph Hellwig }
166fbc59d65SChristoph Hellwig
utf8cursor(struct utf8cursor * u8c,const struct unicode_map * um,enum utf8_normalization n,const char * s)1676ca99ce7SChristoph Hellwig static int utf8cursor(struct utf8cursor *u8c, const struct unicode_map *um,
1686ca99ce7SChristoph Hellwig enum utf8_normalization n, const char *s)
1696ca99ce7SChristoph Hellwig {
1706ca99ce7SChristoph Hellwig return utf8ncursor(u8c, um, n, s, (unsigned int)-1);
1716ca99ce7SChristoph Hellwig }
1726ca99ce7SChristoph Hellwig
check_utf8_nfdi(struct unicode_map * um)1736ca99ce7SChristoph Hellwig static void check_utf8_nfdi(struct unicode_map *um)
174f0d6cc00SGabriel Krisman Bertazi {
175f0d6cc00SGabriel Krisman Bertazi int i;
176f0d6cc00SGabriel Krisman Bertazi struct utf8cursor u8c;
177f0d6cc00SGabriel Krisman Bertazi
178f0d6cc00SGabriel Krisman Bertazi for (i = 0; i < ARRAY_SIZE(nfdi_test_data); i++) {
179f0d6cc00SGabriel Krisman Bertazi int len = strlen(nfdi_test_data[i].str);
180f0d6cc00SGabriel Krisman Bertazi int nlen = strlen(nfdi_test_data[i].dec);
181f0d6cc00SGabriel Krisman Bertazi int j = 0;
182f0d6cc00SGabriel Krisman Bertazi unsigned char c;
183f0d6cc00SGabriel Krisman Bertazi
1846ca99ce7SChristoph Hellwig test((utf8len(um, UTF8_NFDI, nfdi_test_data[i].str) == nlen));
1856ca99ce7SChristoph Hellwig test((utf8nlen(um, UTF8_NFDI, nfdi_test_data[i].str, len) ==
1866ca99ce7SChristoph Hellwig nlen));
187f0d6cc00SGabriel Krisman Bertazi
1886ca99ce7SChristoph Hellwig if (utf8cursor(&u8c, um, UTF8_NFDI, nfdi_test_data[i].str) < 0)
189f0d6cc00SGabriel Krisman Bertazi pr_err("can't create cursor\n");
190f0d6cc00SGabriel Krisman Bertazi
191f0d6cc00SGabriel Krisman Bertazi while ((c = utf8byte(&u8c)) > 0) {
192f0d6cc00SGabriel Krisman Bertazi test_f((c == nfdi_test_data[i].dec[j]),
193f0d6cc00SGabriel Krisman Bertazi "Unexpected byte 0x%x should be 0x%x\n",
194f0d6cc00SGabriel Krisman Bertazi c, nfdi_test_data[i].dec[j]);
195f0d6cc00SGabriel Krisman Bertazi j++;
196f0d6cc00SGabriel Krisman Bertazi }
197f0d6cc00SGabriel Krisman Bertazi
198f0d6cc00SGabriel Krisman Bertazi test((j == nlen));
199f0d6cc00SGabriel Krisman Bertazi }
200f0d6cc00SGabriel Krisman Bertazi }
201f0d6cc00SGabriel Krisman Bertazi
check_utf8_nfdicf(struct unicode_map * um)2026ca99ce7SChristoph Hellwig static void check_utf8_nfdicf(struct unicode_map *um)
203f0d6cc00SGabriel Krisman Bertazi {
204f0d6cc00SGabriel Krisman Bertazi int i;
205f0d6cc00SGabriel Krisman Bertazi struct utf8cursor u8c;
206f0d6cc00SGabriel Krisman Bertazi
207f0d6cc00SGabriel Krisman Bertazi for (i = 0; i < ARRAY_SIZE(nfdicf_test_data); i++) {
208f0d6cc00SGabriel Krisman Bertazi int len = strlen(nfdicf_test_data[i].str);
209f0d6cc00SGabriel Krisman Bertazi int nlen = strlen(nfdicf_test_data[i].ncf);
210f0d6cc00SGabriel Krisman Bertazi int j = 0;
211f0d6cc00SGabriel Krisman Bertazi unsigned char c;
212f0d6cc00SGabriel Krisman Bertazi
2136ca99ce7SChristoph Hellwig test((utf8len(um, UTF8_NFDICF, nfdicf_test_data[i].str) ==
2146ca99ce7SChristoph Hellwig nlen));
2156ca99ce7SChristoph Hellwig test((utf8nlen(um, UTF8_NFDICF, nfdicf_test_data[i].str, len) ==
2166ca99ce7SChristoph Hellwig nlen));
217f0d6cc00SGabriel Krisman Bertazi
2186ca99ce7SChristoph Hellwig if (utf8cursor(&u8c, um, UTF8_NFDICF,
2196ca99ce7SChristoph Hellwig nfdicf_test_data[i].str) < 0)
220f0d6cc00SGabriel Krisman Bertazi pr_err("can't create cursor\n");
221f0d6cc00SGabriel Krisman Bertazi
222f0d6cc00SGabriel Krisman Bertazi while ((c = utf8byte(&u8c)) > 0) {
223f0d6cc00SGabriel Krisman Bertazi test_f((c == nfdicf_test_data[i].ncf[j]),
224f0d6cc00SGabriel Krisman Bertazi "Unexpected byte 0x%x should be 0x%x\n",
225f0d6cc00SGabriel Krisman Bertazi c, nfdicf_test_data[i].ncf[j]);
226f0d6cc00SGabriel Krisman Bertazi j++;
227f0d6cc00SGabriel Krisman Bertazi }
228f0d6cc00SGabriel Krisman Bertazi
229f0d6cc00SGabriel Krisman Bertazi test((j == nlen));
230f0d6cc00SGabriel Krisman Bertazi }
231f0d6cc00SGabriel Krisman Bertazi }
232f0d6cc00SGabriel Krisman Bertazi
check_utf8_comparisons(struct unicode_map * table)2336ca99ce7SChristoph Hellwig static void check_utf8_comparisons(struct unicode_map *table)
234f0d6cc00SGabriel Krisman Bertazi {
235f0d6cc00SGabriel Krisman Bertazi int i;
236f0d6cc00SGabriel Krisman Bertazi
237f0d6cc00SGabriel Krisman Bertazi for (i = 0; i < ARRAY_SIZE(nfdi_test_data); i++) {
238f0d6cc00SGabriel Krisman Bertazi const struct qstr s1 = {.name = nfdi_test_data[i].str,
239f0d6cc00SGabriel Krisman Bertazi .len = sizeof(nfdi_test_data[i].str)};
240f0d6cc00SGabriel Krisman Bertazi const struct qstr s2 = {.name = nfdi_test_data[i].dec,
241f0d6cc00SGabriel Krisman Bertazi .len = sizeof(nfdi_test_data[i].dec)};
242f0d6cc00SGabriel Krisman Bertazi
243f0d6cc00SGabriel Krisman Bertazi test_f(!utf8_strncmp(table, &s1, &s2),
244f0d6cc00SGabriel Krisman Bertazi "%s %s comparison mismatch\n", s1.name, s2.name);
245f0d6cc00SGabriel Krisman Bertazi }
246f0d6cc00SGabriel Krisman Bertazi
247f0d6cc00SGabriel Krisman Bertazi for (i = 0; i < ARRAY_SIZE(nfdicf_test_data); i++) {
248f0d6cc00SGabriel Krisman Bertazi const struct qstr s1 = {.name = nfdicf_test_data[i].str,
249f0d6cc00SGabriel Krisman Bertazi .len = sizeof(nfdicf_test_data[i].str)};
250f0d6cc00SGabriel Krisman Bertazi const struct qstr s2 = {.name = nfdicf_test_data[i].ncf,
251f0d6cc00SGabriel Krisman Bertazi .len = sizeof(nfdicf_test_data[i].ncf)};
252f0d6cc00SGabriel Krisman Bertazi
253f0d6cc00SGabriel Krisman Bertazi test_f(!utf8_strncasecmp(table, &s1, &s2),
254f0d6cc00SGabriel Krisman Bertazi "%s %s comparison mismatch\n", s1.name, s2.name);
255f0d6cc00SGabriel Krisman Bertazi }
256f0d6cc00SGabriel Krisman Bertazi }
257f0d6cc00SGabriel Krisman Bertazi
check_supported_versions(struct unicode_map * um)258*2b3d0478SChristoph Hellwig static void check_supported_versions(struct unicode_map *um)
259f0d6cc00SGabriel Krisman Bertazi {
260f0d6cc00SGabriel Krisman Bertazi /* Unicode 7.0.0 should be supported. */
261*2b3d0478SChristoph Hellwig test(utf8version_is_supported(um, UNICODE_AGE(7, 0, 0)));
262f0d6cc00SGabriel Krisman Bertazi
263f0d6cc00SGabriel Krisman Bertazi /* Unicode 9.0.0 should be supported. */
264*2b3d0478SChristoph Hellwig test(utf8version_is_supported(um, UNICODE_AGE(9, 0, 0)));
265f0d6cc00SGabriel Krisman Bertazi
266f0d6cc00SGabriel Krisman Bertazi /* Unicode 1x.0.0 (the latest version) should be supported. */
267*2b3d0478SChristoph Hellwig test(utf8version_is_supported(um, UTF8_LATEST));
268f0d6cc00SGabriel Krisman Bertazi
269f0d6cc00SGabriel Krisman Bertazi /* Next versions don't exist. */
270*2b3d0478SChristoph Hellwig test(!utf8version_is_supported(um, UNICODE_AGE(13, 0, 0)));
271*2b3d0478SChristoph Hellwig test(!utf8version_is_supported(um, UNICODE_AGE(0, 0, 0)));
272*2b3d0478SChristoph Hellwig test(!utf8version_is_supported(um, UNICODE_AGE(-1, -1, -1)));
273f0d6cc00SGabriel Krisman Bertazi }
274f0d6cc00SGabriel Krisman Bertazi
init_test_ucd(void)275f0d6cc00SGabriel Krisman Bertazi static int __init init_test_ucd(void)
276f0d6cc00SGabriel Krisman Bertazi {
2776ca99ce7SChristoph Hellwig struct unicode_map *um;
2786ca99ce7SChristoph Hellwig
279f0d6cc00SGabriel Krisman Bertazi failed_tests = 0;
280f0d6cc00SGabriel Krisman Bertazi total_tests = 0;
281f0d6cc00SGabriel Krisman Bertazi
2826ca99ce7SChristoph Hellwig um = utf8_load(UTF8_LATEST);
2836ca99ce7SChristoph Hellwig if (IS_ERR(um)) {
2846ca99ce7SChristoph Hellwig pr_err("%s: Unable to load utf8 table.\n", __func__);
2856ca99ce7SChristoph Hellwig return PTR_ERR(um);
2866ca99ce7SChristoph Hellwig }
2876ca99ce7SChristoph Hellwig
288*2b3d0478SChristoph Hellwig check_supported_versions(um);
2896ca99ce7SChristoph Hellwig check_utf8_nfdi(um);
2906ca99ce7SChristoph Hellwig check_utf8_nfdicf(um);
2916ca99ce7SChristoph Hellwig check_utf8_comparisons(um);
292f0d6cc00SGabriel Krisman Bertazi
293f0d6cc00SGabriel Krisman Bertazi if (!failed_tests)
294f0d6cc00SGabriel Krisman Bertazi pr_info("All %u tests passed\n", total_tests);
295f0d6cc00SGabriel Krisman Bertazi else
296f0d6cc00SGabriel Krisman Bertazi pr_err("%u out of %u tests failed\n", failed_tests,
297f0d6cc00SGabriel Krisman Bertazi total_tests);
2986ca99ce7SChristoph Hellwig utf8_unload(um);
299f0d6cc00SGabriel Krisman Bertazi return 0;
300f0d6cc00SGabriel Krisman Bertazi }
301f0d6cc00SGabriel Krisman Bertazi
exit_test_ucd(void)302f0d6cc00SGabriel Krisman Bertazi static void __exit exit_test_ucd(void)
303f0d6cc00SGabriel Krisman Bertazi {
304f0d6cc00SGabriel Krisman Bertazi }
305f0d6cc00SGabriel Krisman Bertazi
306f0d6cc00SGabriel Krisman Bertazi module_init(init_test_ucd);
307f0d6cc00SGabriel Krisman Bertazi module_exit(exit_test_ucd);
308f0d6cc00SGabriel Krisman Bertazi
309f0d6cc00SGabriel Krisman Bertazi MODULE_AUTHOR("Gabriel Krisman Bertazi <krisman@collabora.co.uk>");
310f0d6cc00SGabriel Krisman Bertazi MODULE_LICENSE("GPL");
311