diff options
Diffstat (limited to 'src/test/test-ellipsize.c')
| -rw-r--r-- | src/test/test-ellipsize.c | 136 |
1 files changed, 109 insertions, 27 deletions
diff --git a/src/test/test-ellipsize.c b/src/test/test-ellipsize.c index d4f09b08a..92692bd48 100644 --- a/src/test/test-ellipsize.c +++ b/src/test/test-ellipsize.c @@ -1,45 +1,127 @@ -/*** - This file is part of systemd. - - Copyright 2013 Shawn Landden - - 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 <stdio.h> #include "alloc-util.h" #include "def.h" #include "string-util.h" +#include "strv.h" #include "terminal-util.h" #include "util.h" +#include "utf8.h" + +static void test_ellipsize_mem_one(const char *s, size_t old_length, size_t new_length) { + _cleanup_free_ char *n = NULL; + _cleanup_free_ char *t1 = NULL, *t2 = NULL, *t3 = NULL; + char buf[LINE_MAX]; + bool has_wide_chars; + size_t max_width; + + n = memdup_suffix0(s, old_length); + + if (!utf8_is_valid(n)) + /* We don't support invalid sequences… */ + return; + + /* Report out inputs. We duplicate the data so that cellescape + * can properly report truncated multibyte sequences. */ + log_info("%s \"%s\" old_length=%zu/%zu new_length=%zu", __func__, + cellescape(buf, sizeof buf, n), + old_length, utf8_console_width(n), + new_length); + + /* To keep this test simple, any case with wide chars starts with this glyph */ + has_wide_chars = startswith(s, "你"); + max_width = MIN(utf8_console_width(n), new_length); + + t1 = ellipsize_mem(n, old_length, new_length, 30); + log_info("30%% → %s utf8_console_width=%zu", t1, utf8_console_width(t1)); + if (!has_wide_chars) + assert_se(utf8_console_width(t1) == max_width); + else + assert_se(utf8_console_width(t1) <= max_width); + + t2 = ellipsize_mem(n, old_length, new_length, 90); + log_info("90%% → %s utf8_console_width=%zu", t2, utf8_console_width(t2)); + if (!has_wide_chars) + assert_se(utf8_console_width(t2) == max_width); + else + assert_se(utf8_console_width(t2) <= max_width); + + t3 = ellipsize_mem(n, old_length, new_length, 100); + log_info("100%% → %s utf8_console_width=%zu", t3, utf8_console_width(t3)); + if (!has_wide_chars) + assert_se(utf8_console_width(t3) == max_width); + else + assert_se(utf8_console_width(t3) <= max_width); + + if (new_length >= old_length) { + assert_se(streq(t1, n)); + assert_se(streq(t2, n)); + assert_se(streq(t3, n)); + } +} -static void test_one(const char *p) { +static void test_ellipsize_mem(void) { + const char *s; + ssize_t l, k; + + FOREACH_STRING(s, + "_XXXXXXXXXXX_", /* ASCII */ + "_aąęółśćńżźć_", /* two-byte utf-8 */ + "გამარჯობა", /* multi-byte utf-8 */ + "你好世界", /* wide characters */ + "你გą世óoó界") /* a mix */ + + for (l = strlen(s); l >= 0; l--) + for (k = strlen(s) + 1; k >= 0; k--) + test_ellipsize_mem_one(s, l, k); +} + +static void test_ellipsize_one(const char *p) { _cleanup_free_ char *t; t = ellipsize(p, columns(), 70); puts(t); + free(t); + t = ellipsize(p, columns(), 0); + puts(t); + free(t); + t = ellipsize(p, columns(), 100); + puts(t); + free(t); + t = ellipsize(p, 0, 50); + puts(t); + free(t); + t = ellipsize(p, 1, 50); + puts(t); + free(t); + t = ellipsize(p, 2, 50); + puts(t); + free(t); + t = ellipsize(p, 3, 50); + puts(t); + free(t); + t = ellipsize(p, 4, 50); + puts(t); + free(t); + t = ellipsize(p, 5, 50); + puts(t); +} + +static void test_ellipsize(void) { + test_ellipsize_one(DIGITS LETTERS DIGITS LETTERS); + test_ellipsize_one("한국어한국어한국어한국어한국어한국어한국어한국어한국어한국어한국어한국어한국어한국어한국어한국어한국어한국어"); + test_ellipsize_one("-日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国"); + test_ellipsize_one("中国中国中国中国中国中国中国中国中国中国中国中国中国中国中国中国中国中国中国中国中国中国-中国中国中国中国中国中国中国中国中国中国中国中国中国"); + test_ellipsize_one("sÿstëmd sÿstëmd sÿstëmd sÿstëmd sÿstëmd sÿstëmd sÿstëmd sÿstëmd sÿstëmd sÿstëmd sÿstëmd sÿstëmd sÿstëmd"); + test_ellipsize_one("🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮"); + test_ellipsize_one("Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum."); + test_ellipsize_one("shórt"); } int main(int argc, char *argv[]) { - test_one(DIGITS LETTERS DIGITS LETTERS); - test_one("한국어한국어한국어한국어한국어한국어한국어한국어한국어한국어한국어한국어한국어한국어한국어한국어한국어한국어"); - test_one("-日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国日本国"); - test_one("中国中国中国中国中国中国中国中国中国中国中国中国中国中国中国中国中国中国中国中国中国中国-中国中国中国中国中国中国中国中国中国中国中国中国中国"); - test_one("sÿstëmd sÿstëmd sÿstëmd sÿstëmd sÿstëmd sÿstëmd sÿstëmd sÿstëmd sÿstëmd sÿstëmd sÿstëmd sÿstëmd sÿstëmd"); - test_one("🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮🐮"); - test_one("Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum."); - test_one("shórt"); + test_ellipsize_mem(); + test_ellipsize(); return 0; } |