--- a/lib/Test/Nginx.pm
+++ b/lib/Test/Nginx.pm
@@ -119,6 +119,8 @@ sub has_module($) {
 		imap	=> '(?s)^(?!.*--without-mail_imap_module)',
 		smtp	=> '(?s)^(?!.*--without-mail_smtp_module)',
 		pcre	=> '(?s)^(?!.*--without-pcre)',
+		split_clients
+			=> '(?s)^(?!.*--without-http_split_clients_module)',
 	);
 
 	my $re = $regex{$feature};

new file mode 100644
--- /dev/null
+++ b/split_clients.t
@@ -0,0 +1,85 @@
+#!/usr/bin/perl
+
+# (C) Sergey Kandaurov
+# (C) Nginx, Inc.
+
+# Tests for split_client module.
+
+###############################################################################
+
+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 $t = Test::Nginx->new()->has(qw/http split_clients/)->plan(1);
+
+$t->write_file_expand('nginx.conf', <<'EOF');
+
+%%TEST_GLOBALS%%
+
+daemon off;
+
+events {
+}
+
+http {
+    %%TEST_GLOBALS_HTTP%%
+
+    split_clients $connection $variant {
+        51.2%  ".one";
+        10%    ".two";
+        *      ".three";
+    }
+
+    server {
+        listen       127.0.0.1:8080;
+        server_name  localhost;
+
+        location / {
+            index index${variant}.html;
+        }
+    }
+}
+
+EOF
+
+$t->write_file('index.one.html', 'first');
+$t->write_file('index.two.html', 'second');
+$t->write_file('index.three.html', 'third');
+
+$t->run();
+
+###############################################################################
+
+# NB: split_clients distribution is a subject to implementation details
+
+like(many('/', 20), qr/first: 12, second: 2, third: 6/, 'split');
+
+###############################################################################
+
+sub many {
+	my ($uri, $count) = @_;
+	my %dist;
+
+	for (1 .. $count) {
+		if (http_get($uri) =~ /(first|second|third)/) {
+			$dist{$1} = 0 unless defined $dist{$1};
+			$dist{$1}++;
+		}
+	}
+
+	return join ', ', map { $_ . ": " . $dist{$_} } sort keys %dist;
+}
+
+###############################################################################