diff --git a/t/Plack-Request/body-unbuffered.t b/t/Plack-Request/body-unbuffered.t
new file mode 100644
index 000000000..cda8d7405
--- /dev/null
+++ b/t/Plack-Request/body-unbuffered.t
@@ -0,0 +1,37 @@
+use strict;
+use warnings;
+use Test::More;
+use Plack::Test;
+use Plack::Request;
+use Plack::Util;
+use HTTP::Request::Common;
+
+my $app = sub {
+    my $env = shift;
+
+    $env->{'psgix.input.buffered'} = 0;
+
+    my $input = $env->{'psgi.input'};
+    $env->{'psgi.input'} = Plack::Util::inline_object
+      read => sub { $input->read(@_) };
+    
+    my $req = Plack::Request->new($env);
+    is $req->content, '{}';
+
+    $req->new_response(200)->finalize;
+};
+
+test_psgi $app, sub {
+    my $cb = shift;
+
+    # empty Content-Type
+    my $req = POST "/";
+    $req->content_type("");
+    $req->content("{}");
+    $req->content_length(2);
+
+    my $res = $cb->($req);
+    ok $res->is_success or diag $res->as_string;
+};
+
+done_testing;