new file mode 100644
--- /dev/null
+++ b/map_volatile.t
@@ -0,0 +1,83 @@
+#!/usr/bin/perl
+
+# (C) Sergey Kandaurov
+# (C) Nginx, Inc.
+
+# Tests for map module with volatile.
+
+###############################################################################
+
+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 $t = Test::Nginx->new()->has(qw/http map/);
+
+$t->write_file_expand('nginx.conf', <<'EOF');
+
+%%TEST_GLOBALS%%
+
+daemon off;
+
+events {
+}
+
+http {
+    %%TEST_GLOBALS_HTTP%%
+
+    map $uri $uri_cached {
+        /1/          /1/redirect;
+        /1/redirect  uncached;
+    }
+
+    map $uri $uri_uncached {
+        volatile;
+
+        /2/          /2/redirect;
+        /2/redirect  uncached;
+    }
+
+    server {
+        listen       127.0.0.1:8080;
+        server_name  localhost;
+
+        location /1 {
+            index $uri_cached;
+        }
+        location /1/redirect {
+            add_header X-URI $uri_cached always;
+        }
+
+        location /2 {
+            index $uri_uncached;
+        }
+        location /2/redirect {
+            add_header X-URI $uri_uncached always;
+        }
+    }
+}
+
+EOF
+
+mkdir($t->testdir() . '/1');
+mkdir($t->testdir() . '/2');
+
+$t->try_run('no map volatile')->plan(2);
+
+###############################################################################
+
+like(http_get('/1/'), qr!X-URI: /1/redirect!, 'map');
+like(http_get('/2/'), qr/X-URI: uncached/, 'map volatile');
+
+###############################################################################