--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-channel.c	Fri Jan 15 14:18:54 2021 +0100
@@ -0,0 +1,129 @@
+/*
+ * test-channel.c -- test util.h functions
+ *
+ * Copyright (c) 2013-2021 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define GREATEST_USE_ABBREVS 0
+#include <greatest.h>
+
+#include <irccd/channel.h>
+
+GREATEST_TEST
+basics_add(void)
+{
+	struct irc_channel ch = {0};
+
+	irc_channel_add(&ch, "markand", '@');
+	GREATEST_ASSERT_EQ(ch.usersz, 1U);
+	GREATEST_ASSERT_EQ(ch.users[0].mode, '@');
+	GREATEST_ASSERT_STR_EQ(ch.users[0].nickname, "markand");
+
+	irc_channel_add(&ch, "jean", 0);
+	GREATEST_ASSERT_EQ(ch.usersz, 2U);
+	GREATEST_ASSERT_EQ(ch.users[0].mode, 0);
+	GREATEST_ASSERT_STR_EQ(ch.users[0].nickname, "jean");
+	GREATEST_ASSERT_EQ(ch.users[1].mode, '@');
+	GREATEST_ASSERT_STR_EQ(ch.users[1].nickname, "markand");
+
+	irc_channel_add(&ch, "zoe", 0);
+	GREATEST_ASSERT_EQ(ch.usersz, 3U);
+	GREATEST_ASSERT_EQ(ch.users[0].mode, 0);
+	GREATEST_ASSERT_STR_EQ(ch.users[0].nickname, "jean");
+	GREATEST_ASSERT_EQ(ch.users[1].mode, '@');
+	GREATEST_ASSERT_STR_EQ(ch.users[1].nickname, "markand");
+	GREATEST_ASSERT_EQ(ch.users[2].mode, 0);
+	GREATEST_ASSERT_STR_EQ(ch.users[2].nickname, "zoe");
+
+	GREATEST_PASS();
+}
+
+GREATEST_TEST
+basics_remove(void)
+{
+	struct irc_channel ch = {0};
+
+	irc_channel_add(&ch, "markand", '@');
+	irc_channel_add(&ch, "jean", 0);
+	irc_channel_add(&ch, "zoe", 0);
+
+	irc_channel_remove(&ch, "jean");
+	GREATEST_ASSERT_EQ(ch.usersz, 2U);
+	GREATEST_ASSERT_EQ(ch.users[0].mode, '@');
+	GREATEST_ASSERT_STR_EQ(ch.users[0].nickname, "markand");
+	GREATEST_ASSERT_EQ(ch.users[1].mode, 0);
+	GREATEST_ASSERT_STR_EQ(ch.users[1].nickname, "zoe");
+
+	irc_channel_remove(&ch, "zoe");
+	GREATEST_ASSERT_EQ(ch.usersz, 1U);
+	GREATEST_ASSERT_EQ(ch.users[0].mode, '@');
+	GREATEST_ASSERT_STR_EQ(ch.users[0].nickname, "markand");
+
+	irc_channel_remove(&ch, "markand");
+	GREATEST_ASSERT_EQ(ch.usersz, 0U);
+	GREATEST_ASSERT(!ch.users);
+
+	GREATEST_PASS();
+}
+
+GREATEST_TEST
+basics_set_mode(void)
+{
+	struct irc_channel ch = {0};
+
+	irc_channel_add(&ch, "jean", '@');
+	irc_channel_set_user_mode(&ch, "jean", '+');
+	irc_channel_set_user_mode(&ch, "nobody", '+');
+
+	GREATEST_ASSERT_EQ(ch.usersz, 1);
+	GREATEST_ASSERT_EQ(ch.users[0].mode, '+');
+	GREATEST_ASSERT_STR_EQ(ch.users[0].nickname, "jean");
+	GREATEST_PASS();
+}
+
+GREATEST_TEST
+basics_set_nick(void)
+{
+	struct irc_channel ch = {0};
+
+	irc_channel_add(&ch, "jean", '@');
+	irc_channel_set_user_nick(&ch, "jean", "francis");
+	irc_channel_set_user_nick(&ch, "nobody", "francis");
+
+	GREATEST_ASSERT_EQ(ch.usersz, 1);
+	GREATEST_ASSERT_EQ(ch.users[0].mode, '@');
+	GREATEST_ASSERT_STR_EQ(ch.users[0].nickname, "francis");
+	GREATEST_PASS();
+}
+
+GREATEST_SUITE(suite_basics)
+{
+	GREATEST_RUN_TEST(basics_add);
+	GREATEST_RUN_TEST(basics_remove);
+	GREATEST_RUN_TEST(basics_set_mode);
+	GREATEST_RUN_TEST(basics_set_nick);
+}
+
+GREATEST_MAIN_DEFS();
+
+int
+main(int argc, char **argv)
+{
+	GREATEST_MAIN_BEGIN();
+	GREATEST_RUN_SUITE(suite_basics);
+	GREATEST_MAIN_END();
+
+	return 0;
+}