From 959ae556cd285420bf07d4726f3b27d35ae7d75a Mon Sep 17 00:00:00 2001
From: Maxim Sharabayko <maxlovic@gmail.com>
Date: Tue, 12 Mar 2019 15:46:49 +0100
Subject: [PATCH] [tests] Added test case for PR #605

---
 test/test_epoll.cpp | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/test/test_epoll.cpp b/test/test_epoll.cpp
index 31a1fb8b0..212046e8a 100644
--- a/test/test_epoll.cpp
+++ b/test/test_epoll.cpp
@@ -61,6 +61,42 @@ TEST(CEPoll, WaitNoSocketsInEpoll)
 }
 
 
+TEST(CEPoll, WaitEmptyCall)
+{
+    ASSERT_EQ(srt_startup(), 0);
+
+    SRTSOCKET client_sock = srt_socket(AF_INET, SOCK_DGRAM, 0);
+    ASSERT_NE(client_sock, SRT_ERROR);
+
+    const int yes = 1;
+    const int no = 0;
+    ASSERT_NE(srt_setsockopt(client_sock, 0, SRTO_RCVSYN, &no, sizeof no), SRT_ERROR); // for async connect
+    ASSERT_NE(srt_setsockopt(client_sock, 0, SRTO_SNDSYN, &no, sizeof no), SRT_ERROR); // for async connect
+    ASSERT_NE(srt_setsockflag(client_sock, SRTO_SENDER, &yes, sizeof yes), SRT_ERROR);
+    ASSERT_NE(srt_setsockopt(client_sock, 0, SRTO_TSBPDMODE, &yes, sizeof yes), SRT_ERROR);
+
+    const int epoll_id = srt_epoll_create();
+    ASSERT_GE(epoll_id, 0);
+
+    const int epoll_out = SRT_EPOLL_OUT | SRT_EPOLL_ERR;
+    ASSERT_NE(srt_epoll_add_usock(epoll_id, client_sock, &epoll_out), SRT_ERROR);
+
+    ASSERT_EQ(srt_epoll_wait(epoll_id, 0, NULL, 0, NULL,
+        -1, 0, 0, 0, 0), SRT_ERROR);
+
+    try
+    {
+        EXPECT_EQ(srt_epoll_release(epoll_id), 0);
+    }
+    catch (CUDTException &ex)
+    {
+        cerr << ex.getErrorMessage() << endl;
+        EXPECT_EQ(0, 1);
+    }
+    EXPECT_EQ(srt_cleanup(), 0);
+}
+
+
 TEST(CEPoll, WaitAllSocketsInEpollReleased)
 {
     ASSERT_EQ(srt_startup(), 0);