From 775c3a6253cee996897b1564c2598ba154ffc96f Mon Sep 17 00:00:00 2001
From: David Cermak <cermak@espressif.com>
Date: Wed, 2 Feb 2022 16:10:57 +0100
Subject: [PATCH] lwip/dhcps: Add simple start/stop unit cases

---
 components/lwip/test/test_lwip_apps.c | 34 +++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/components/lwip/test/test_lwip_apps.c b/components/lwip/test/test_lwip_apps.c
index bf55b5f38a..df5fdbc248 100644
--- a/components/lwip/test/test_lwip_apps.c
+++ b/components/lwip/test/test_lwip_apps.c
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
 #include "freertos/FreeRTOS.h"
 #include "freertos/event_groups.h"
 #include "test_utils.h"
@@ -6,6 +11,7 @@
 #include "lwip/netdb.h"
 #include "lwip/sockets.h"
 #include "ping/ping_sock.h"
+#include "dhcpserver/dhcpserver.h"
 
 #define ETH_PING_END_BIT BIT(1)
 #define ETH_PING_DURATION_MS (5000)
@@ -104,3 +110,31 @@ TEST_CASE("localhost ping test", "[lwip]")
 
     vEventGroupDelete(eth_event_group);
 }
+
+TEST_CASE("dhcp server init/deinit", "[lwip][leaks=0]")
+{
+    dhcps_t *dhcps = dhcps_new();
+    ip4_addr_t ip = { .addr = IPADDR_ANY };
+    TEST_ASSERT(dhcps_start(dhcps, NULL, ip) == ERR_ARG);
+    TEST_ASSERT(dhcps_stop(dhcps, NULL) == ERR_ARG);
+    dhcps_delete(dhcps);
+}
+
+TEST_CASE("dhcp server start/stop on localhost", "[lwip]")
+{
+    test_case_uses_tcpip();
+    dhcps_t *dhcps = dhcps_new();
+    struct netif *netif;
+
+    NETIF_FOREACH(netif) {
+        if (netif->name[0] == 'l' && netif->name[1] == 'o') {
+            break;
+        }
+    }
+    TEST_ASSERT_NOT_NULL(netif);
+
+    ip4_addr_t ip = { .addr = 0x7f0001 };
+    TEST_ASSERT(dhcps_start(dhcps, netif, ip) == ERR_OK);
+    TEST_ASSERT(dhcps_stop(dhcps, netif) == ERR_OK);
+    dhcps_delete(dhcps);
+}