new file mode 100644
--- /dev/null
+++ b/limit_conn_dry_run.t
@@ -0,0 +1,95 @@
+#!/usr/bin/perl
+
+# (C) Sergey Kandaurov
+# (C) Nginx, Inc.
+
+# Tests for limit_conn_dry_run directive, limit_conn_status variable.
+
+###############################################################################
+
+use warnings;
+use strict;
+
+use Test::More;
+
+BEGIN { use FindBin; chdir($FindBin::Bin); }
+
+use lib 'lib';
+use Test::Nginx;
+
+###############################################################################
+
+select STDERR; $| = 1;
+select STDOUT; $| = 1;
+
+my $t = Test::Nginx->new()->has(qw/http proxy limit_conn limit_req/);
+
+$t->write_file_expand('nginx.conf', <<'EOF');
+
+%%TEST_GLOBALS%%
+
+daemon off;
+
+events {
+}
+
+http {
+    %%TEST_GLOBALS_HTTP%%
+
+    limit_req_zone   $binary_remote_addr  zone=req:1m rate=30r/m;
+    limit_conn_zone  $binary_remote_addr  zone=zone:1m;
+
+    log_format test $uri:$limit_conn_status;
+
+    server {
+        listen       127.0.0.1:8081;
+        server_name  localhost;
+
+        location /w {
+            limit_req  zone=req burst=10;
+        }
+    }
+
+    server {
+        listen       127.0.0.1:8080;
+        server_name  localhost;
+
+        add_header X-Status $limit_conn_status always;
+        access_log %%TESTDIR%%/test.log test;
+
+        location /reject {
+            proxy_pass http://127.0.0.1:8081/w;
+            limit_conn zone 1;
+        }
+
+        location /dry {
+            limit_conn zone 1;
+            limit_conn_dry_run on;
+        }
+
+        location / { }
+    }
+}
+
+EOF
+
+$t->write_file('w', '');
+$t->try_run('no limit_conn_dry_run/limit_conn_status')->plan(6);
+
+###############################################################################
+
+like(http_get('/reject'), qr/ 200 .*PASSED/s, 'passed');
+
+my $s = http_get('/reject', start => 1);
+like(http_get('/reject'), qr/ 503 .*REJECTED(?!_)/s, 'rejected');
+like(http_get('/dry'), qr/ 404 .*REJECTED_DRY_RUN/s, 'rejected dry run');
+unlike(http_get('/'), qr/X-Status/, 'no limit');
+
+close $s;
+
+$t->stop();
+
+like($t->read_file('error.log'), qr/limiting connections, dry/, 'log dry run');
+like($t->read_file('test.log'), qr|^/:-|m, 'log not found');
+
+###############################################################################