1 files changed, 42 insertions, 0 deletions
diff --git a/test/interop/will_message_test.c b/test/interop/will_message_test.c
new file mode 100644
index 0000000..73b64b4
--- /dev/null
+++ b/test/interop/will_message_test.c
@@ -0,0 +1,42 @@
+#include "greatest.h"
+#include "testclient.h"
+#include "cleanup.c"
+#include "topics.c"
+
+TEST will_message_test()
+{
+    TestClient *clienta, *clientb;
+
+    clienta = TestClientNew("clienta");
+    ASSERT_EQ(0, MqttClientSetWill(clienta->client, topics[2],
+                                   "client disconnected", 19, 0, 0));
+    ASSERT(TestClientConnect(clienta, "localhost", 1883, 2, 1));
+
+    clientb = TestClientNew("clientb");
+    ASSERT(TestClientConnect(clientb, "localhost", 1883, 60, 0));
+    ASSERT(TestClientSubscribe(clientb, topics[2], 2));
+
+    ASSERT(TestClientWait(clientb, 500));
+
+    TestClientFree(clienta);
+
+    ASSERT(TestClientWait(clientb, 5000));
+
+    TestClientDisconnect(clientb);
+
+    ASSERT_EQ(1, TestClientMessageCount(clientb));
+
+    TestClientFree(clientb);
+
+    PASS();
+}
+
+GREATEST_MAIN_DEFS();
+
+int main(int argc, char **argv)
+{
+    GREATEST_MAIN_BEGIN();
+    cleanup();
+    RUN_TEST(will_message_test);
+    GREATEST_MAIN_END();
+}