new file mode 100644
--- /dev/null
+++ b/gzip.t
@@ -0,0 +1,89 @@
+#!/usr/bin/perl
+
+# (C) Maxim Dounin
+
+# Tests for nginx gzip filter module.
+
+###############################################################################
+
+use warnings;
+use strict;
+
+use Test::More;
+
+BEGIN { use FindBin; chdir($FindBin::Bin); }
+
+use lib 'lib';
+use Test::Nginx qw/ :DEFAULT :gzip /;
+
+###############################################################################
+
+select STDERR; $| = 1;
+select STDOUT; $| = 1;
+
+my $t = Test::Nginx->new()->plan(6);
+
+$t->write_file_expand('nginx.conf', <<'EOF');
+
+master_process off;
+daemon         off;
+
+events {
+}
+
+http {
+    access_log    off;
+    root          %%TESTDIR%%;
+
+    client_body_temp_path  %%TESTDIR%%/client_body_temp;
+    fastcgi_temp_path      %%TESTDIR%%/fastcgi_temp;
+    proxy_temp_path        %%TESTDIR%%/proxy_temp;
+
+    server {
+        listen       127.0.0.1:8080;
+        server_name  localhost;
+        location / {
+            gzip on;
+        }
+        location /proxy/ {
+            gzip on;
+            proxy_pass http://127.0.0.1:8080/local/;
+        }
+        location /local/ {
+            gzip off;
+            alias %%TESTDIR%%/;
+        }
+    }
+}
+
+EOF
+
+$t->write_file('index.html', 'X' x 64);
+
+$t->run();
+
+###############################################################################
+
+my $r;
+
+$r = http_gzip_request('/');
+like($r, qr/^Content-Encoding: gzip/m, 'gzip');
+http_gzip_like($r, qr/^X{64}\Z/, 'gzip content correct');
+
+$r = http_gzip_request('/proxy/');
+like($r, qr/^Content-Encoding: gzip/m, 'gzip proxied');
+http_gzip_like($r, qr/^X{64}\Z/, 'gzip proxied content');
+
+# Accept-Ranges headers should be cleared
+
+unlike(http_gzip_request('/'), qr/Accept-Ranges/im, 'cleared accept-ranges');
+
+TODO: {
+local $TODO = 'broken since 0.7.44';
+
+unlike(http_gzip_request('/proxy/'), qr/Accept-Ranges/im,
+	'cleared headers from proxy');
+
+}
+
+###############################################################################