new file mode 100644
--- /dev/null
+++ b/t/auth-request.t
@@ -0,0 +1,163 @@
+#!/usr/bin/perl
+
+# (C) Maxim Dounin
+
+# Tests for auth request module.
+
+###############################################################################
+
+use warnings;
+use strict;
+
+use Test::More;
+use Test::Nginx;
+
+###############################################################################
+
+select STDERR; $| = 1;
+select STDOUT; $| = 1;
+
+my $t = Test::Nginx->new()->has(qw/http rewrite proxy fastcgi auth_basic/)
+	->plan(13);
+
+$t->write_file_expand('nginx.conf', <<'EOF');
+
+master_process off;
+daemon         off;
+
+events {
+}
+
+http {
+    %%TEST_GLOBALS_HTTP%%
+
+    server {
+        listen       127.0.0.1:8080;
+        server_name  localhost;
+
+        location / {
+            return 444;
+        }
+
+        location /open {
+            auth_request /auth-open;
+        }
+        location = /auth-open {
+            return 204;
+        }
+
+        location /open-static {
+            auth_request /auth-open-static;
+        }
+        location = /auth-open-static {
+            # nothing, use static file
+        }
+
+        location /unauthorized {
+            auth_request /auth-unauthorized;
+        }
+        location = /auth-unauthorized {
+            return 401;
+        }
+
+        location /forbidden {
+            auth_request /auth-forbidden;
+        }
+        location = /auth-forbidden {
+            return 403;
+        }
+
+        location /error {
+            auth_request /auth-error;
+        }
+        location = /auth-error {
+            return 404;
+        }
+
+        location /proxy {
+            auth_request /auth-proxy;
+        }
+        location = /auth-proxy {
+            proxy_pass http://127.0.0.1:8080/auth-basic;
+        }
+        location = /auth-basic {
+            auth_basic "restricted";
+            auth_basic_user_file %%TESTDIR%%/htpasswd;
+        }
+
+        location /fastcgi {
+            auth_request /auth-fastcgi;
+        }
+        location = /auth-fastcgi {
+            fastcgi_pass 127.0.0.1:8081;
+        }
+    }
+}
+
+EOF
+
+$t->write_file('htpasswd', 'user:zz1T8N4tWvmbE' . "\n");
+$t->write_file('auth-basic', 'INVISIBLE');
+$t->write_file('auth-open-static', 'INVISIBLE');
+$t->run();
+
+###############################################################################
+
+pass('runs');
+
+like(http_get('/open'), qr/ 404 /, 'auth open');
+like(http_get('/unauthorized'), qr/ 401 /, 'auth unauthorized');
+like(http_get('/forbidden'), qr/ 403 /, 'auth forbidden');
+like(http_get('/error'), qr/ 500 /, 'auth error');
+
+like(http_get('/open-static'), qr/ 404 /, 'auth open static');
+unlike(http_get('/open-static'), qr/INVISIBLE/, 'auth static no content');
+
+like(http_get('/proxy'), qr/ 401 /, 'proxy auth unauthorized');
+like(http_get('/proxy'), qr/WWW-Authenticate: Basic realm="restricted"/,
+	'proxy auth has www-authenticate');
+like(http_get_auth('/proxy'), qr/ 404 /, 'proxy auth pass');
+unlike(http_get_auth('/proxy'), qr/INVISIBLE/, 'proxy auth no content');
+
+SKIP: {
+	eval { require FCGI; };
+	skip 'FCGI not installed', 2 if $@;
+
+	$t->run_daemon(\&fastcgi_daemon);
+	$t->waitforsocket('127.0.0.1:8081');
+
+	like(http_get('/fastcgi'), qr/ 404 /, 'fastcgi auth open');
+	unlike(http_get('/fastcgi'), qr/INVISIBLE/, 'fastcgi auth no content');
+}
+
+###############################################################################
+
+sub http_get_auth {
+        my ($url, %extra) = @_;
+        return http(<<EOF, %extra);
+GET $url HTTP/1.0
+Host: localhost
+Authorization: Basic dXNlcjpzZWNyZXQ=
+
+EOF
+}
+
+###############################################################################
+
+sub fastcgi_daemon {
+	my $socket = FCGI::OpenSocket('127.0.0.1:8081', 5);
+	my $request = FCGI::Request(\*STDIN, \*STDOUT, \*STDERR, \%ENV,
+		$socket);
+
+	while ($request->Accept() >= 0) {
+		print <<EOF;
+Content-Type: text/html
+
+INVISIBLE
+EOF
+	}
+
+	FCGI::CloseSocket($socket);
+}
+
+###############################################################################