eudev/test/test-utf8.c
Tom Gundersen 54c92293a6 shared: utf8 - support decoding the full utf16
We originally only supported the BMP (i.e., we treated UTF-16 as UCS-2).

Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-12-29 12:22:28 -05:00

67 lines
2.1 KiB
C

/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2013 Dave Reisner
systemd 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.
systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include "utf8.h"
#include "util.h"
static void test_utf8_is_printable(void) {
assert_se(utf8_is_printable("ascii is valid\tunicode", 22));
assert_se(utf8_is_printable("\342\204\242", 3));
assert_se(!utf8_is_printable("\341\204", 2));
assert_se(utf8_is_printable("ąę", 4));
}
static void test_ascii_is_valid(void) {
assert_se(ascii_is_valid("alsdjf\t\vbarr\nba z"));
assert_se(!ascii_is_valid("\342\204\242"));
assert_se(!ascii_is_valid("\341\204"));
}
static void test_utf8_encoded_valid_unichar(void) {
assert_se(utf8_encoded_valid_unichar("\342\204\242") == 3);
assert_se(utf8_encoded_valid_unichar("\302\256") == 2);
assert_se(utf8_encoded_valid_unichar("a") == 1);
assert_se(utf8_encoded_valid_unichar("\341\204") < 0);
assert_se(utf8_encoded_valid_unichar("\341\204\341\204") < 0);
}
static void test_utf16_to_utf8(void) {
char *a = NULL;
const uint16_t utf16[] = { 'a', 0xd800, 'b', 0xdc00, 'c', 0xd801, 0xdc37 };
const char utf8[] = { 'a', 'b', 'c', 0xf0, 0x90, 0x90, 0xb7, 0 };
a = utf16_to_utf8(utf16, 14);
assert_se(a);
assert_se(streq(a, utf8));
free(a);
}
int main(int argc, char *argv[]) {
test_utf8_is_printable();
test_ascii_is_valid();
test_utf8_encoded_valid_unichar();
test_utf16_to_utf8();
return 0;
}