-/*-*- 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/>.
-***/
+/* SPDX-License-Identifier: LGPL-2.1+ */
+#include "alloc-util.h"
+#include "string-util.h"
+#include "strv.h"
#include "utf8.h"
#include "util.h"
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_utf8_is_valid(void) {
assert_se(!utf8_is_valid("\341\204"));
}
+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_ascii_is_valid_n(void) {
+ assert_se( ascii_is_valid_n("alsdjf\t\vbarr\nba z", 17));
+ assert_se( ascii_is_valid_n("alsdjf\t\vbarr\nba z", 16));
+ assert_se(!ascii_is_valid_n("alsdjf\t\vbarr\nba z", 18));
+ assert_se(!ascii_is_valid_n("\342\204\242", 3));
+ assert_se(!ascii_is_valid_n("\342\204\242", 2));
+ assert_se(!ascii_is_valid_n("\342\204\242", 1));
+ assert_se( ascii_is_valid_n("\342\204\242", 0));
+}
+
+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_utf8_escaping(void) {
+ _cleanup_free_ char *p1, *p2, *p3;
+
+ p1 = utf8_escape_invalid("goo goo goo");
+ puts(p1);
+ assert_se(utf8_is_valid(p1));
+
+ p2 = utf8_escape_invalid("\341\204\341\204");
+ puts(p2);
+ assert_se(utf8_is_valid(p2));
+
+ p3 = utf8_escape_invalid("\341\204");
+ puts(p3);
+ assert_se(utf8_is_valid(p3));
+}
+
+static void test_utf8_escaping_printable(void) {
+ _cleanup_free_ char *p1, *p2, *p3, *p4, *p5, *p6;
+
+ p1 = utf8_escape_non_printable("goo goo goo");
+ puts(p1);
+ assert_se(utf8_is_valid(p1));
+
+ p2 = utf8_escape_non_printable("\341\204\341\204");
+ puts(p2);
+ assert_se(utf8_is_valid(p2));
+
+ p3 = utf8_escape_non_printable("\341\204");
+ puts(p3);
+ assert_se(utf8_is_valid(p3));
+
+ p4 = utf8_escape_non_printable("ąę\n가너도루\n1234\n\341\204\341\204\n\001 \019\20\a");
+ puts(p4);
+ assert_se(utf8_is_valid(p4));
+
+ p5 = utf8_escape_non_printable("\001 \019\20\a");
+ puts(p5);
+ assert_se(utf8_is_valid(p5));
+
+ p6 = utf8_escape_non_printable("\xef\xbf\x30\x13");
+ puts(p6);
+ assert_se(utf8_is_valid(p6));
+}
+
+static void test_utf16_to_utf8(void) {
+ const char16_t utf16[] = { htole16('a'), htole16(0xd800), htole16('b'), htole16(0xdc00), htole16('c'), htole16(0xd801), htole16(0xdc37) };
+ static const char utf8[] = { 'a', 'b', 'c', 0xf0, 0x90, 0x90, 0xb7 };
+ _cleanup_free_ char16_t *b = NULL;
+ _cleanup_free_ char *a = NULL;
+
+ /* Convert UTF-16 to UTF-8, filtering embedded bad chars */
+ a = utf16_to_utf8(utf16, sizeof(utf16));
+ assert_se(a);
+ assert_se(memcmp(a, utf8, sizeof(utf8)) == 0);
+
+ /* Convert UTF-8 to UTF-16, and back */
+ b = utf8_to_utf16(utf8, sizeof(utf8));
+ assert_se(b);
+
+ free(a);
+ a = utf16_to_utf8(b, char16_strlen(b) * 2);
+ assert_se(a);
+ assert_se(strlen(a) == sizeof(utf8));
+ assert_se(memcmp(a, utf8, sizeof(utf8)) == 0);
+}
+
+static void test_utf8_n_codepoints(void) {
+ assert_se(utf8_n_codepoints("abc") == 3);
+ assert_se(utf8_n_codepoints("zażółcić gęślą jaźń") == 19);
+ assert_se(utf8_n_codepoints("串") == 1);
+ assert_se(utf8_n_codepoints("") == 0);
+ assert_se(utf8_n_codepoints("…👊🔪💐…") == 5);
+ assert_se(utf8_n_codepoints("\xF1") == (size_t) -1);
+}
+
+static void test_utf8_console_width(void) {
+ assert_se(utf8_console_width("abc") == 3);
+ assert_se(utf8_console_width("zażółcić gęślą jaźń") == 19);
+ assert_se(utf8_console_width("串") == 2);
+ assert_se(utf8_console_width("") == 0);
+ assert_se(utf8_console_width("…👊🔪💐…") == 8);
+ assert_se(utf8_console_width("\xF1") == (size_t) -1);
+}
+
+static void test_utf8_to_utf16(void) {
+ const char *p;
+
+ FOREACH_STRING(p,
+ "abc",
+ "zażółcić gęślą jaźń",
+ "串",
+ "",
+ "…👊🔪💐…") {
+
+ _cleanup_free_ char16_t *a = NULL;
+ _cleanup_free_ char *b = NULL;
+
+ a = utf8_to_utf16(p, strlen(p));
+ assert_se(a);
+
+ b = utf16_to_utf8(a, char16_strlen(a) * 2);
+ assert_se(b);
+ assert_se(streq(p, b));
+ }
+}
+
int main(int argc, char *argv[]) {
test_utf8_is_valid();
test_utf8_is_printable();
+ test_ascii_is_valid();
+ test_ascii_is_valid_n();
+ test_utf8_encoded_valid_unichar();
+ test_utf8_escaping();
+ test_utf8_escaping_printable();
+ test_utf16_to_utf8();
+ test_utf8_n_codepoints();
+ test_utf8_console_width();
+ test_utf8_to_utf16();
return 0;
}