--- /dev/null
+use strict;
+use warnings;
+use Test::More;
+use utf8;
+
+# setup library path
+use FindBin qw($Bin);
+use lib "$Bin/../../t/lib";
+
+BEGIN { eval { require Catalyst::Plugin::Params::Nested; 1; } ||
+ plan skip_all => 'Need Catalyst::Plugin::Params::Nested' }
+
+use Catalyst::Test 'TestApp2';
+use Encode;
+use HTTP::Request::Common;
+use URI::Escape qw/uri_escape_utf8/;
+use HTTP::Status 'is_server_error';
+
+my $encode_str = "\x{e3}\x{81}\x{82}"; # e38182 is japanese 'あ'
+my $decode_str = Encode::decode('utf-8' => $encode_str);
+my $escape_str = uri_escape_utf8($decode_str);
+
+BEGIN {
+ eval 'require Catalyst::Plugin::Params::Nested';
+ plan skip_all => 'Catalyst::Plugin::Params::Nested is required' if $@;
+}
+
+{
+ my ($res, $c) = ctx_request("/?foo.1=bar&foo.2=$escape_str");
+ is( $c->res->output, '<h1>It works</h1>', 'Content displayed' );
+
+ my $got = $c->request->parameters;
+ my $expected = {
+ 'foo.1' => 'bar',
+ 'foo.2' => $decode_str,
+ 'foo' => [undef, 'bar', $decode_str],
+ };
+
+ is( $got->{foo}->[0], undef, '{foo}->[0] is undef' );
+ is( $got->{foo}->[1], 'bar', '{foo}->[1] is bar' );
+ ok( utf8::is_utf8( $got->{'foo.2'} ), '{foo.2} is utf8' );
+ ok( utf8::is_utf8( $got->{foo}->[2] ), '{foo}->[2] is utf8' );
+ is_deeply($got, $expected, 'nested params' );
+}
+
+{
+ my ($res, $c) = ctx_request("/?foo.1=bar&foo.2=$escape_str&bar.baz=$escape_str&baz.bar.foo=$escape_str&&arr.0.1=$escape_str");
+
+ my $got = $c->request->parameters;
+ my $expected = {
+ 'foo.1' => 'bar',
+ 'foo.2' => $decode_str,
+ 'bar.baz' => $decode_str,
+ 'baz.bar.foo' => $decode_str,
+ 'arr.0.1' => $decode_str,
+ 'arr' => [ [undef, $decode_str] ],
+ 'foo' => [undef, 'bar', $decode_str],
+ 'bar' => { baz => $decode_str },
+ 'baz' => { bar => { foo => $decode_str } },
+ };
+
+ is( ref $got->{arr}->[0], 'ARRAY', '{arr}->[0] is ARRAY' );
+ ok( utf8::is_utf8( $got->{arr}->[0]->[1] ), '{arr}->[0]->[1] is utf8' );
+ ok( utf8::is_utf8( $got->{bar}{baz} ), '{bar}{baz} is utf8' );
+ ok( utf8::is_utf8( $got->{baz}{bar}{foo} ), '{baz}{bar}{foo} is utf8' );
+ is_deeply($got, $expected, 'nested params' );
+}
+
+done_testing();