tests: net: hostname: move to new ztest API

Move tests/net/hostname/ to use new ztest API.

Signed-off-by: Xiao Song <[email protected]>

Author: Xiao Song

tests/net/hostname/prj.conf

@@ -20,6 +20,7 @@ CONFIG_NET_IF_UNICAST_IPV6_ADDR_COUNT=6
 CONFIG_NET_IF_UNICAST_IPV4_ADDR_COUNT=2
 CONFIG_NET_IPV6_ND=n
 CONFIG_ZTEST=y
+CONFIG_ZTEST_NEW_API=y
 CONFIG_NET_IF_MAX_IPV4_COUNT=4
 CONFIG_NET_IF_MAX_IPV6_COUNT=4
 CONFIG_NET_HOSTNAME_ENABLE=y

tests/net/hostname/src/main.c

@@ -216,7 +216,7 @@ static void iface_cb(struct net_if *iface, void *user_data)
 	}
 }
 
-static void test_iface_setup(void)
+static void *test_iface_setup(void)
 {
 	struct net_if_mcast_addr *maddr;
 	struct net_if_addr *ifaddr;
@@ -277,6 +277,8 @@ static void test_iface_setup(void)
 	net_if_up(iface1);
 
 	test_started = true;
+
+	return NULL;
 }
 
 static int bytes_from_hostname_unique(uint8_t *buf, int buf_len, const char *src)
@@ -313,7 +315,7 @@ static int bytes_from_hostname_unique(uint8_t *buf, int buf_len, const char *src
 	return 0;
 }
 
-static void test_hostname_get(void)
+ZTEST(net_hostname, test_hostname_get)
 {
 	const char *hostname;
 	const char *config_hostname = CONFIG_NET_HOSTNAME;
@@ -336,7 +338,7 @@ static void test_hostname_get(void)
 	}
 }
 
-static void test_hostname_set(void)
+ZTEST(net_hostname, test_hostname_set)
 {
 	if (IS_ENABLED(CONFIG_NET_HOSTNAME_UNIQUE)) {
 		int ret;
@@ -347,13 +349,4 @@ static void test_hostname_set(void)
 	}
 }
 
-void test_main(void)
-{
-	ztest_test_suite(net_hostname_test,
-			 ztest_unit_test(test_iface_setup),
-			 ztest_unit_test(test_hostname_get),
-			 ztest_unit_test(test_hostname_set)
-		);
-
-	ztest_run_test_suite(net_hostname_test);
-}
+ZTEST_SUITE(net_hostname, NULL, test_iface_setup, NULL, NULL, NULL);