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-rw-r--r--src/libsystemd-terminal/test-term-parser.c143
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diff --git a/src/libsystemd-terminal/test-term-parser.c b/src/libsystemd-terminal/test-term-parser.c
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+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+/***
+ This file is part of systemd.
+
+ Copyright (C) 2014 David Herrmann <dh.herrmann@gmail.com>
+
+ 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/>.
+***/
+
+/*
+ * Terminal Parser Tests
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "macro.h"
+#include "term-internal.h"
+#include "util.h"
+
+static void test_term_utf8_invalid(void) {
+ term_utf8 p = { };
+ const uint32_t *res;
+ size_t len;
+
+ res = term_utf8_decode(NULL, NULL, 0);
+ assert_se(res == NULL);
+
+ res = term_utf8_decode(&p, NULL, 0);
+ assert_se(res != NULL);
+
+ len = 5;
+ res = term_utf8_decode(NULL, &len, 0);
+ assert_se(res == NULL);
+ assert_se(len == 0);
+
+ len = 5;
+ res = term_utf8_decode(&p, &len, 0);
+ assert_se(res != NULL);
+ assert_se(len == 1);
+
+ len = 5;
+ res = term_utf8_decode(&p, &len, 0xCf);
+ assert_se(res == NULL);
+ assert_se(len == 0);
+
+ len = 5;
+ res = term_utf8_decode(&p, &len, 0x0);
+ assert_se(res != NULL);
+ assert_se(len == 2);
+}
+
+static void test_term_utf8_range(void) {
+ term_utf8 p = { };
+ const uint32_t *res;
+ char u8[4];
+ uint32_t i, j;
+ size_t ulen, len;
+
+ /* Convert all ucs-4 chars to utf-8 and back */
+
+ for (i = 0; i < 0x10FFFF; ++i) {
+ ulen = term_utf8_encode(u8, i);
+ if (!ulen)
+ continue;
+
+ for (j = 0; j < ulen; ++j) {
+ res = term_utf8_decode(&p, &len, u8[j]);
+ if (!res) {
+ assert_se(j + 1 != ulen);
+ continue;
+ }
+
+ assert_se(j + 1 == ulen);
+ assert_se(len == 1 && *res == i);
+ assert_se(i <= 127 || ulen >= 2);
+ }
+ }
+}
+
+static void test_term_utf8_mix(void) {
+ static const char source[] = {
+ 0x00, /* normal 0 */
+ 0xC0, 0x80, /* overlong 0 */
+ 0xC0, 0x81, /* overlong 1 */
+ 0xE0, 0x80, 0x81, /* overlong 1 */
+ 0xF0, 0x80, 0x80, 0x81, /* overlong 1 */
+ 0xC0, 0x00, /* invalid continuation */
+ 0xC0, 0xC0, 0x81, /* invalid continuation with a following overlong 1 */
+ 0xF8, 0x80, 0x80, 0x80, 0x81, /* overlong 1 with 5 bytes */
+ 0xE0, 0x80, 0xC0, 0x81, /* invalid 3-byte followed by valid 2-byte */
+ 0xF0, 0x80, 0x80, 0xC0, 0x81, /* invalid 4-byte followed by valid 2-byte */
+ };
+ static const uint32_t result[] = {
+ 0x0000,
+ 0x0000,
+ 0x0001,
+ 0x0001,
+ 0x0001,
+ 0x00C0, 0x0000,
+ 0x00C0, 0x0001,
+ 0x00F8, 0x0080, 0x0080, 0x0080, 0x0081,
+ 0x00E0, 0x0080, 0x0001,
+ 0x00F0, 0x0080, 0x0080, 0x0001,
+ };
+ term_utf8 p = { };
+ const uint32_t *res;
+ unsigned int i, j;
+ size_t len;
+
+ for (i = 0, j = 0; i < sizeof(source); ++i) {
+ res = term_utf8_decode(&p, &len, source[i]);
+ if (!res)
+ continue;
+
+ assert_se(j + len <= ELEMENTSOF(result));
+ assert_se(!memcmp(res, &result[j], sizeof(uint32_t) * len));
+ j += len;
+ }
+
+ assert_se(j == ELEMENTSOF(result));
+}
+
+int main(int argc, char *argv[]) {
+ test_term_utf8_invalid();
+ test_term_utf8_range();
+ test_term_utf8_mix();
+
+ return 0;
+}