new file mode 100644
--- /dev/null
+++ b/proxy_limit_rate.t
@@ -0,0 +1,71 @@
+#!/usr/bin/perl
+
+# (C) Sergey Kandaurov
+# (C) Nginx, Inc.
+
+# Tests for the proxy_limit_rate directive.
+
+###############################################################################
+
+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 $t = Test::Nginx->new()->has(qw/http proxy/);
+
+$t->write_file_expand('nginx.conf', <<'EOF');
+
+%%TEST_GLOBALS%%
+
+daemon off;
+
+events {
+}
+
+http {
+    %%TEST_GLOBALS_HTTP%%
+
+    server {
+        listen       127.0.0.1:8080;
+        server_name  localhost;
+
+        location / {
+            proxy_pass http://127.0.0.1:8080/data;
+            proxy_limit_rate 12000;
+        }
+
+        location /data {
+        }
+    }
+}
+
+EOF
+
+$t->write_file('data', 'X' x 40000);
+$t->try_run('no proxy_limit_rate')->plan(2);
+
+###############################################################################
+
+my $t1 = time();
+
+my $r = http_get('/');
+
+my $diff = time() - $t1;
+
+# four chunks are split with three 1s delays + 1s error
+
+cmp_ok(abs($diff - 3), '<=', 1, 'proxy_limit_rate');
+like($r, qr/^(XXXXXXXXXX){4000}\x0d?\x0a?$/m, 'response body');
+
+###############################################################################