1 files changed, 45 insertions, 0 deletions
diff --git a/web/server/h2o/libh2o/t/80issues579.t b/web/server/h2o/libh2o/t/80issues579.t
new file mode 100644
index 00000000..046e188a
--- /dev/null
+++ b/web/server/h2o/libh2o/t/80issues579.t
@@ -0,0 +1,45 @@
+use strict;
+use warnings;
+use Net::EmptyPort qw(check_port empty_port);
+use Test::More;
+use t::Util;
+
+plan skip_all => 'mruby support is off'
+    unless server_features()->{mruby};
+plan skip_all => 'plackup not found'
+    unless prog_exists('plackup');
+plan skip_all => 'Starlet not found'
+    unless system('perl -MStarlet /dev/null > /dev/null 2>&1') == 0;
+plan skip_all => 'nghttp not found'
+    unless prog_exists('nghttp');
+
+# spawn upstream
+my $upstream_port = empty_port();
+my $upstream = spawn_server(
+    argv     => [
+        qw(plackup -s Starlet --access-log /dev/null -p), $upstream_port, ASSETS_DIR . "/upstream.psgi",
+    ],
+    is_ready => sub {
+        check_port($upstream_port);
+    },
+);
+
+# spawn server
+my $server = spawn_h2o(<< "EOT");
+hosts:
+  default:
+    paths:
+      /:
+        mruby.handler: |
+          Proc.new do |env|
+            [399, {"link" => "</assets/index.js>; rel=preload"}, []]
+          end
+        proxy.reverse.url: http://127.0.0.1:$upstream_port
+      /assets:
+        file.dir: @{[DOC_ROOT]}
+EOT
+
+my $resp = `nghttp -n --stat "http://127.0.0.1:$server->{port}/index.txt"`;
+like $resp, qr{\nid\s*responseEnd\s.*\s/assets/index\.js\n.*\s/index\.txt\n}is, 'should receive pushed blocking asset from file handler before the main response';
+
+done_testing;