new file mode 100644
--- /dev/null
+++ b/http-server-name.t
@@ -0,0 +1,140 @@
+#!/usr/bin/perl
+
+# (C) Maxim Dounin
+
+# Tests for server_name selection.
+
+###############################################################################
+
+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('rewrite')
+	->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 / {
+            add_header X-Server $server_name;
+            return 204;
+        }
+    }
+
+    server {
+        listen       127.0.0.1:8080;
+        server_name  www.example.com;
+
+        location / {
+            add_header X-Server $server_name;
+            return 204;
+        }
+    }
+
+    server {
+        listen       127.0.0.1:8080;
+        server_name  ~^EXAMPLE\.COM$;
+
+        location / {
+            add_header X-Server $server_name;
+            return 204;
+        }
+    }
+
+    server {
+        listen       127.0.0.1:8080;
+        server_name  ~^(?P<name>.+)\Q.example.com\E$;
+
+        location / {
+            add_header X-Server $server_name;
+            add_header X-Match  $name;
+            return 204;
+        }
+    }
+
+    server {
+        listen       127.0.0.1:8080;
+        server_name  "~^(?<name>www\p{N}+)\.example\.com$";
+
+        location / {
+            add_header X-Server $server_name;
+            add_header X-Match  $name;
+            return 204;
+        }
+    }
+}
+
+EOF
+
+eval {
+
+$t->run();
+
+};
+
+if ($@) {
+	plan(skip_all => 'not patched yet');
+}
+
+$t->plan(9);
+
+###############################################################################
+
+sub http_server($) {
+	my ($host) = @_;
+	return http(<<EOF);
+GET / HTTP/1.0
+Host: $host
+
+EOF
+}
+
+###############################################################################
+
+like(http_server('xxx'), qr/X-Server: localhost/, 'default');
+
+like(http_server('www.example.com'), qr/\QX-Server: www.example.com/,
+	'www.example.com');
+like(http_server('WWW.EXAMPLE.COM'), qr/\QX-Server: www.example.com/,
+	'www.example.com uppercase');
+
+like(http_server('example.com'), qr/\QX-Server: ~^EXAMPLE\.COM$/,
+	'example.com regex');
+like(http_server('EXAMPLE.COM'), qr/\QX-Server: ~^EXAMPLE\.COM$/,
+	'example.com regex uppercase');
+
+like(http_server('blah.example.com'), qr/X-Match: blah/,
+	'(P<name>.*).example.com named capture');
+like(http_server('BLAH.EXAMPLE.COM'), qr/X-Match: blah/,
+	'(P<name>.*).example.com named capture uppercase');
+
+like(http_server('www01.example.com'), qr/X-Match: www01/,
+	'\p{N} in named capture');
+like(http_server('WWW01.EXAMPLE.COM'), qr/X-Match: www01/,
+	'\p{N} in named capture uppercase');
+
+###############################################################################