Tests: added js dump tests.
diff --git a/js_dump.t b/js_dump.t
new file mode 100644
index 0000000..3f5a41c
--- /dev/null
+++ b/js_dump.t
@@ -0,0 +1,122 @@
+#!/usr/bin/perl
+
+# (C) Dmitry Volyntsev
+# (C) Nginx, Inc.
+
+# Tests for http njs module, request object dump.
+
+###############################################################################
+
+use warnings;
+use strict;
+
+use Test::More;
+use Socket qw/ CRLF /;
+
+BEGIN { use FindBin; chdir($FindBin::Bin); }
+
+use lib 'lib';
+use Test::Nginx;
+
+###############################################################################
+
+select STDERR; $| = 1;
+select STDOUT; $| = 1;
+
+my $t = Test::Nginx->new()->has(qw/http rewrite/)
+ ->write_file_expand('nginx.conf', <<'EOF');
+
+%%TEST_GLOBALS%%
+
+daemon off;
+
+events {
+}
+
+http {
+ %%TEST_GLOBALS_HTTP%%
+
+ js_include test.js;
+
+ server {
+ listen 127.0.0.1:8080;
+ server_name localhost;
+
+ location /njs {
+ js_content test_njs;
+ }
+
+ location /dump {
+ js_content test_dump;
+ }
+
+ location /stringify {
+ js_content test_stringify;
+ }
+
+ location /stringify_subrequest {
+ js_content test_stringify_subrequest;
+ }
+
+ location /js_sub {
+ return 201 '{$request_method}';
+ }
+ }
+}
+
+EOF
+
+$t->write_file('test.js', <<EOF);
+ function test_njs(r) {
+ r.return(200, njs.version);
+ }
+
+ function test_dump(r) {
+ r.headersOut.baz = 'bar';
+ r.return(200, njs.dump(r));
+ }
+
+ function test_stringify(r) {
+ r.headersOut.baz = 'bar';
+ var obj = JSON.parse(JSON.stringify(r));
+ r.return(200, JSON.stringify(obj));
+ }
+
+ function test_stringify_subrequest(r) {
+ r.subrequest('/js_sub', reply => {
+ r.return(200, JSON.stringify(reply))
+ });
+ }
+
+EOF
+
+$t->try_run('no njs dump')->plan(3);
+
+###############################################################################
+
+TODO: {
+local $TODO = 'not yet'
+ unless http_get('/njs') =~ /^([.0-9]+)$/m && $1 ge '0.3.8';
+
+like(http(
+ 'GET /dump?v=1&t=x HTTP/1.0' . CRLF
+ . 'Foo: bar' . CRLF
+ . 'Foo2: bar2' . CRLF
+ . 'Host: localhost' . CRLF . CRLF
+), qr/method:'GET'/, 'njs.dump(r)');
+
+like(http(
+ 'GET /stringify?v=1&t=x HTTP/1.0' . CRLF
+ . 'Foo: bar' . CRLF
+ . 'Foo2: bar2' . CRLF
+ . 'Host: localhost' . CRLF . CRLF
+), qr/headersOut":\{"baz":"bar"}/, 'JSON.stringify(r)');
+
+like(http(
+ 'GET /stringify_subrequest HTTP/1.0' . CRLF
+ . 'Host: localhost' . CRLF . CRLF
+), qr/responseBody":"\{GET}"/, 'JSON.stringify(reply)');
+
+}
+
+###############################################################################