new file mode 100644
--- /dev/null
+++ b/scgi.t
@@ -0,0 +1,94 @@
+#!/usr/bin/perl
+
+# (C) Maxim Dounin
+
+# Test for scgi backend.
+
+###############################################################################
+
+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;
+
+eval { require SCGI; };
+plan(skip_all => 'SCGI not installed') if $@;
+
+my $t = Test::Nginx->new()->has(qw/http scgi/)->plan(4)
+	->write_file_expand('nginx.conf', <<'EOF');
+
+%%TEST_GLOBALS%%
+
+master_process off;
+daemon         off;
+
+events {
+}
+
+http {
+    %%TEST_GLOBALS_HTTP%%
+
+    server {
+        listen       127.0.0.1:8080;
+        server_name  localhost;
+
+        location / {
+            scgi_pass 127.0.0.1:8081;
+            scgi_param SCGI 1;
+            scgi_param REQUEST_URI $request_uri;
+        }
+    }
+}
+
+EOF
+
+$t->run_daemon(\&scgi_daemon);
+$t->run();
+
+###############################################################################
+
+like(http_get('/'), qr/SEE-THIS/, 'scgi request');
+like(http_get('/redir'), qr/302/, 'scgi redirect');
+like(http_get('/'), qr/^3$/m, 'scgi third request');
+
+unlike(http_head('/'), qr/SEE-THIS/, 'no data in HEAD');
+
+###############################################################################
+
+sub scgi_daemon {
+	my $server = IO::Socket::INET->new(
+		Proto => 'tcp',
+		LocalHost => '127.0.0.1:8081',
+		Listen => 5,
+		Reuse => 1
+	)
+		or die "Can't create listening socket: $!\n";
+
+	my $scgi = SCGI->new($server, blocking => 1);
+	my $count = 0;
+  
+	while (my $request = $scgi->accept()) {
+		$count++;
+		$request->read_env();
+
+		$request->connection()->print(<<EOF);
+Location: http://127.0.0.1:8080/redirect
+Content-Type: text/html
+
+SEE-THIS
+$count
+EOF
+	}
+}
+
+###############################################################################