new file mode 100644
--- /dev/null
+++ b/server_tokens.t
@@ -0,0 +1,151 @@
+#!/usr/bin/perl
+
+# (C) Andrey Zelenkov
+# (C) Nginx, Inc.
+
+# Tests for server_tokens directive.
+
+###############################################################################
+
+use warnings;
+use strict;
+
+use Test::More;
+
+use Socket qw/ $CRLF /;
+
+BEGIN { use FindBin; chdir($FindBin::Bin); }
+
+use lib 'lib';
+use Test::Nginx;
+
+###############################################################################
+
+select STDERR; $| = 1;
+select STDOUT; $| = 1;
+
+my $t = Test::Nginx->new()->has(qw/http rewrite/)
+	->write_file_expand('nginx.conf', <<'EOF');
+
+%%TEST_GLOBALS%%
+
+daemon off;
+
+events {
+}
+
+http {
+    %%TEST_GLOBALS_HTTP%%
+
+    map $arg_st $server_tokens {
+        default  $arg_st;
+    }
+
+    server {
+        listen          127.0.0.1:8080;
+
+        location /200 {
+            return 200;
+        }
+
+        location /404 {
+            return 404;
+        }
+
+        location /off {
+            server_tokens off;
+
+            location /off/200 {
+                return 200;
+            }
+
+            location /off/404 {
+                return 404;
+            }
+        }
+
+        location /on {
+            server_tokens on;
+
+            location /on/200 {
+                return 200;
+            }
+
+            location /on/404 {
+                return 404;
+            }
+        }
+
+        location /empty {
+            server_tokens "";
+
+            location /empty/200 {
+                return 200;
+            }
+
+            location /empty/404 {
+                return 404;
+            }
+        }
+
+        location /var {
+            server_tokens $server_tokens;
+
+            location /var/200 {
+                return 200;
+            }
+
+            location /var/404 {
+                return 404;
+            }
+        }
+    }
+}
+
+EOF
+
+$t->try_run('no server_tokens variable support')->plan(21);
+
+###############################################################################
+
+like(http_get('/200'), qr/Server: nginx\/\d+\.\d+\.\d+/, 'tokens default 200');
+like(http_get('/404'), qr/Server: nginx\/\d+\.\d+\.\d+/, 'tokens default 404');
+like(http_body('/404'), qr/nginx\/\d+\.\d+\.\d+/, 'tokens default 404 body');
+
+like(http_get('/off/200'), qr/Server: nginx${CRLF}/, 'tokens off 200');
+like(http_get('/off/404'), qr/Server: nginx${CRLF}/, 'tokens off 404');
+like(http_body('/off/404'), qr/nginx(?!\/)/, 'tokens off 404 body');
+
+like(http_get('/on/200'), qr/Server: nginx\/\d+\.\d+\.\d+/, 'tokens on 200');
+like(http_get('/on/404'), qr/Server: nginx\/\d+\.\d+\.\d+/, 'tokens on 404');
+like(http_body('/on/404'), qr/nginx\/\d+\.\d+\.\d+/, 'tokens on 404 body');
+
+unlike(http_get('/empty/200'), qr/Server:/, 'tokens empty 200');
+unlike(http_get('/empty/404'), qr/Server:/, 'tokens empty 404');
+unlike(http_body('/empty/404'), qr/nginx/, 'tokens empty 404 body');
+
+like(http_get('/var/200?st=off'), qr/Server: nginx${CRLF}/,
+	'tokens var off 200');
+like(http_get('/var/404?st=off'), qr/Server: nginx${CRLF}/,
+	'tokens var off 404');
+like(http_body('/var/404?st=off'), qr/nginx(?!\/)/, 'tokens var off 404 body');
+
+like(http_get('/var/200?st=on'), qr/Server: nginx\/\d+\.\d+\.\d+/,
+	'tokens var on 200');
+like(http_get('/var/404?st=on'), qr/Server: nginx\/\d+\.\d+\.\d+/,
+	'tokens var on 404');
+like(http_body('/var/404?st=on'), qr/nginx\/\d+\.\d+\.\d+/,
+	'tokens var on 404 body');
+
+unlike(http_get('/var/200'), qr/Server:/, 'tokens var empty 200');
+unlike(http_get('/var/404'), qr/Server:/, 'tokens var empty 404');
+unlike(http_body('/var/404'), qr/nginx/, 'tokens var empty 404 body');
+
+###############################################################################
+
+sub http_body {
+	my ($uri) = shift;
+	return http_get($uri) =~ /.*?\x0d\x0a?\x0d\x0a?(.*)/ms && $1;
+}
+
+###############################################################################