From b8d94bb9270d4c3a05dbcac6f0272105edc56fb5 Mon Sep 17 00:00:00 2001
From: Packit Service <user-cont-team+packit-service@redhat.com>
Date: Dec 09 2020 19:28:02 +0000
Subject: Apply patch 0003-test-Implement-self-test-functionality.patch


patch_name: 0003-test-Implement-self-test-functionality.patch
present_in_specfile: true
location_in_specfile: 3

---

diff --git a/test/test.c b/test/test.c
index 224c1b4..7eaaaed 100644
--- a/test/test.c
+++ b/test/test.c
@@ -32,14 +32,23 @@
 */
 
 #define _GNU_SOURCE
+#include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <strings.h>
 #include <unistd.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <netinet/tcp.h>
 
+#define assert(x) do { \
+  if (!(x)) { \
+    printf("%s:%d: assertion '" #x "' failed!\n", __FILE__, __LINE__); \
+    exit(EXIT_FAILURE); \
+  } \
+} while (0)
+
 int main(void);
 
 int main()
@@ -47,6 +56,11 @@ int main()
   int s;
   int optval;
   socklen_t optlen = sizeof(optval);
+  const char *env;
+  bool selftest = false;
+
+  env = getenv("SELFTEST");
+	selftest = env && !strcasecmp(env, "on");
 
   if((s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) {
     perror("socket()");
@@ -58,7 +72,12 @@ int main()
     close(s);
     exit(EXIT_FAILURE);
   }
-  printf("SO_KEEPALIVE is %s\n", (optval ? "ON" : "OFF"));
+  if (selftest) {
+    env = getenv("KEEPALIVE");
+    assert((env && !strcasecmp(env, "off")) ^ optval);
+  } else {
+    printf("SO_KEEPALIVE is %s\n", (optval ? "ON" : "OFF"));
+  }
 
   if(optval) {
     #ifdef TCP_KEEPCNT
@@ -67,7 +86,12 @@ int main()
       close(s);
       exit(EXIT_FAILURE);
     }
-    printf("TCP_KEEPCNT   = %d\n", optval);
+    if (selftest) {
+      env = getenv("KEEPCNT");
+      assert(!env || atoi(env) == optval);
+    } else {
+      printf("TCP_KEEPCNT   = %d\n", optval);
+    }
     #endif
 
     #ifdef TCP_KEEPIDLE
@@ -76,7 +100,12 @@ int main()
       close(s);
       exit(EXIT_FAILURE);
     }
-    printf("TCP_KEEPIDLE  = %d\n", optval);
+    if (selftest) {
+      env = getenv("KEEPIDLE");
+      assert(!env || atoi(env) == optval);
+    } else {
+      printf("TCP_KEEPIDLE  = %d\n", optval);
+    }
     #endif
 
     #ifdef TCP_KEEPINTVL
@@ -85,7 +114,12 @@ int main()
       close(s);
       exit(EXIT_FAILURE);
     }
-    printf("TCP_KEEPINTVL = %d\n", optval);
+    if (selftest) {
+      env = getenv("KEEPINTVL");
+      assert(!env || atoi(env) == optval);
+    } else {
+      printf("TCP_KEEPINTVL = %d\n", optval);
+    }
     #endif
   }