diff --git a/limit_req_dry_run.t b/limit_req_dry_run.t
new file mode 100644
index 0000000..dd816f7
--- /dev/null
+++ b/limit_req_dry_run.t
@@ -0,0 +1,82 @@
+#!/usr/bin/perl
+
+# (C) Sergey Kandaurov
+# (C) Nginx, Inc.
+
+# Tests for nginx limit_req module, limit_req_dry_run directive.
+
+###############################################################################
+
+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 $t = Test::Nginx->new()->has(qw/http limit_req/);
+
+$t->write_file_expand('nginx.conf', <<'EOF');
+
+%%TEST_GLOBALS%%
+
+daemon off;
+
+events {
+}
+
+http {
+    %%TEST_GLOBALS_HTTP%%
+
+    limit_req_zone  $binary_remote_addr  zone=one:1m   rate=1r/m;
+
+    server {
+        listen       127.0.0.1:8080;
+        server_name  localhost;
+
+        limit_req_dry_run  on;
+
+        location /delay {
+            limit_req    zone=one  burst=2;
+        }
+
+        location /reject {
+            limit_req    zone=one;
+        }
+
+        location /reject/off {
+            limit_req    zone=one;
+
+            limit_req_dry_run off;
+        }
+    }
+}
+
+EOF
+
+$t->write_file('delay', 'SEE-THIS');
+$t->write_file('reject', 'SEE-THIS');
+$t->try_run('no limit_req_dry_run')->plan(6);
+
+###############################################################################
+
+like(http_get('/delay'), qr/^HTTP\/1.. 200 /m, 'dry run');
+like(http_get('/delay'), qr/^HTTP\/1.. 200 /m, 'dry run - not delayed');
+like(http_get('/reject'), qr/^HTTP\/1.. 200 /m, 'dry run - not rejected');
+
+like(http_get('/reject/off'), qr/^HTTP\/1.. 503 /m, 'dry run off - rejected');
+
+$t->stop();
+
+like($t->read_file('error.log'), qr/delaying request, dry/, 'log - delay');
+like($t->read_file('error.log'), qr/limiting requests, dry/, 'log - reject');
+
+###############################################################################