--- a/proxy.t
+++ b/proxy.t
@@ -21,7 +21,7 @@ use Test::Nginx;
 select STDERR; $| = 1;
 select STDOUT; $| = 1;
 
-my $t = Test::Nginx->new()->has(qw/http proxy/)->plan(4);
+my $t = Test::Nginx->new()->has(qw/http proxy/)->plan(5);
 
 $t->write_file_expand('nginx.conf', <<'EOF');
 
@@ -42,6 +42,7 @@ http {
         location / {
             proxy_pass http://127.0.0.1:8081;
             proxy_read_timeout 1s;
+            proxy_connect_timeout 1s;
         }
 
         location /var {
@@ -65,6 +66,12 @@ unlike(http_head('/'), qr/SEE-THIS/, 'pr
 
 like(http_get('/var?b=127.0.0.1:8081/'), qr/SEE-THIS/, 'proxy with variables');
 
+my $s = http('', start => 1);
+
+sleep 2;
+
+like(http_get('/', socket => $s), qr/200 OK/, 'proxy connect timeout');
+
 ###############################################################################
 
 sub http_daemon {