2 This file is part of systemd.
4 Copyright 2013 Dave Reisner
6 systemd is free software; you can redistribute it and/or modify it
7 under the terms of the GNU Lesser General Public License as published by
8 the Free Software Foundation; either version 2.1 of the License, or
9 (at your option) any later version.
11 systemd is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with systemd; If not, see <http://www.gnu.org/licenses/>.
20 #include "alloc-util.h"
21 #include "string-util.h"
25 static void test_utf8_is_printable(void) {
26 assert_se(utf8_is_printable("ascii is valid\tunicode", 22));
27 assert_se(utf8_is_printable("\342\204\242", 3));
28 assert_se(!utf8_is_printable("\341\204", 2));
29 assert_se(utf8_is_printable("ąę", 4));
32 static void test_utf8_is_valid(void) {
33 assert_se(utf8_is_valid("ascii is valid unicode"));
34 assert_se(utf8_is_valid("\342\204\242"));
35 assert_se(!utf8_is_valid("\341\204"));
38 static void test_ascii_is_valid(void) {
39 assert_se(ascii_is_valid("alsdjf\t\vbarr\nba z"));
40 assert_se(!ascii_is_valid("\342\204\242"));
41 assert_se(!ascii_is_valid("\341\204"));
44 static void test_utf8_encoded_valid_unichar(void) {
45 assert_se(utf8_encoded_valid_unichar("\342\204\242") == 3);
46 assert_se(utf8_encoded_valid_unichar("\302\256") == 2);
47 assert_se(utf8_encoded_valid_unichar("a") == 1);
48 assert_se(utf8_encoded_valid_unichar("\341\204") < 0);
49 assert_se(utf8_encoded_valid_unichar("\341\204\341\204") < 0);
52 static void test_utf8_escaping(void) {
53 _cleanup_free_ char *p1, *p2, *p3;
55 p1 = utf8_escape_invalid("goo goo goo");
57 assert_se(utf8_is_valid(p1));
59 p2 = utf8_escape_invalid("\341\204\341\204");
61 assert_se(utf8_is_valid(p2));
63 p3 = utf8_escape_invalid("\341\204");
65 assert_se(utf8_is_valid(p3));
68 static void test_utf8_escaping_printable(void) {
69 _cleanup_free_ char *p1, *p2, *p3, *p4, *p5, *p6;
71 p1 = utf8_escape_non_printable("goo goo goo");
73 assert_se(utf8_is_valid(p1));
75 p2 = utf8_escape_non_printable("\341\204\341\204");
77 assert_se(utf8_is_valid(p2));
79 p3 = utf8_escape_non_printable("\341\204");
81 assert_se(utf8_is_valid(p3));
83 p4 = utf8_escape_non_printable("ąę\n가너도루\n1234\n\341\204\341\204\n\001 \019\20\a");
85 assert_se(utf8_is_valid(p4));
87 p5 = utf8_escape_non_printable("\001 \019\20\a");
89 assert_se(utf8_is_valid(p5));
91 p6 = utf8_escape_non_printable("\xef\xbf\x30\x13");
93 assert_se(utf8_is_valid(p6));
96 static void test_utf16_to_utf8(void) {
98 const uint16_t utf16[] = { htole16('a'), htole16(0xd800), htole16('b'), htole16(0xdc00), htole16('c'), htole16(0xd801), htole16(0xdc37) };
99 const char utf8[] = { 'a', 'b', 'c', 0xf0, 0x90, 0x90, 0xb7, 0 };
101 a = utf16_to_utf8(utf16, 14);
103 assert_se(streq(a, utf8));
108 int main(int argc, char *argv[]) {
109 test_utf8_is_valid();
110 test_utf8_is_printable();
111 test_ascii_is_valid();
112 test_utf8_encoded_valid_unichar();
113 test_utf8_escaping();
114 test_utf8_escaping_printable();
115 test_utf16_to_utf8();