Tests: listen port ranges.
diff --git a/http_listen.t b/http_listen.t
new file mode 100644
index 0000000..4e2914e
--- /dev/null
+++ b/http_listen.t
@@ -0,0 +1,97 @@
+#!/usr/bin/perl
+
+# (C) Sergey Kandaurov
+# (C) Nginx, Inc.
+
+# Tests for listen port ranges.
+
+###############################################################################
+
+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 $t = Test::Nginx->new()->has(qw/http proxy rewrite/);
+
+$t->write_file_expand('nginx.conf', <<'EOF');
+
+%%TEST_GLOBALS%%
+
+daemon off;
+
+events {
+}
+
+http {
+ %%TEST_GLOBALS_HTTP%%
+
+ server {
+ listen 127.0.0.1:8080;
+ listen 127.0.0.1:%%PORT_8082%%-%%PORT_8083%%;
+ listen %%PORT_8085%%-%%PORT_8086%%;
+ listen [::1]:%%PORT_8085%%-%%PORT_8086%%;
+ server_name localhost;
+
+ location / {
+ proxy_pass http://$arg_b/t;
+ }
+
+ location /t {
+ return 200 $server_addr:$server_port;
+ }
+ }
+
+ # catch out of range
+
+ server {
+ listen 127.0.0.1:8081;
+ listen 127.0.0.1:8084;
+ listen 127.0.0.1:8087;
+ listen [::1]:%%PORT_8084%%;
+ listen [::1]:%%PORT_8087%%;
+ server_name localhost;
+ }
+}
+
+EOF
+
+my $p0 = port(8080); my $p3 = port(8083); my $p6 = port(8086);
+my $p1 = port(8081); my $p4 = port(8084); my $p7 = port(8087);
+my $p2 = port(8082); my $p5 = port(8085);
+
+plan(skip_all => 'listen on wildcard address')
+ unless $ENV{TEST_NGINX_UNSAFE};
+
+plan(skip_all => 'no requested ranges')
+ if "$p0$p1$p2$p3$p4$p5$p6$p7" ne "80808081808280838084808580868087";
+
+$t->try_run('no listen port ranges')->plan(12);
+
+###############################################################################
+
+like(http_get("/?b=127.0.0.1:$p0"), qr/127.0.0.1:$p0/, 'single');
+unlike(http_get("/?b=127.0.0.1:$p1"), qr/127.0.0.1:$p1/, 'out of range 1');
+like(http_get("/?b=127.0.0.1:$p2"), qr/127.0.0.1:$p2/, 'range 1');
+like(http_get("/?b=127.0.0.1:$p3"), qr/127.0.0.1:$p3/, 'range 2');
+unlike(http_get("/?b=127.0.0.1:$p4"), qr/127.0.0.$p4/, 'out of range 2');
+like(http_get("/?b=127.0.0.1:$p5"), qr/127.0.0.1:$p5/, 'wildcard range 1');
+like(http_get("/?b=127.0.0.1:$p6"), qr/127.0.0.1:$p6/, 'wildcard range 2');
+unlike(http_get("/?b=127.0.0.1:$p7"), qr/127.0.0.1:$p7/, 'out of range 3');
+
+unlike(http_get("/?b=[::1]:$p4"), qr/::1:$p4/, 'out of range 4');
+like(http_get("/?b=[::1]:$p5"), qr/::1:$p5/, 'ipv6 range 1');
+like(http_get("/?b=[::1]:$p6"), qr/::1:$p6/, 'ipv6 range 2');
+unlike(http_get("/?b=[::1]:$p7"), qr/::1:$p7/, 'out of range 5');
+
+###############################################################################