From ea0559c700fa029044464de4bd572662c10b7273 Mon Sep 17 00:00:00 2001
From: Eric Wong <BOFH@YHBT.net>
Date: Mon, 5 Jun 2023 10:12:31 +0000
Subject: [PATCH 02/23] support rack 3 multi-value headers

The first step in adding Rack 3 support.  Rack supports
multi-value headers via array rather than newlines.

Tested-by: Martin Posthumus <martin.posthumus@gmail.com>
Link: https://yhbt.net/unicorn-public/7c851d8a-bc57-7df8-3240-2f5ab831c47c@gmail.com/
---
 t/integration.ru | 1 +
 t/integration.t  | 9 +++++++++
 2 files changed, 10 insertions(+)

diff --git a/t/integration.ru b/t/integration.ru
index 6ef873c..5183217 100644
--- a/t/integration.ru
+++ b/t/integration.ru
@@ -23,6 +23,7 @@ def restore_status_code
   when 'GET'
     case env['PATH_INFO']
     when '/rack-2-newline-headers'; [ 200, { 'X-R2' => "a\nb\nc" }, [] ]
+    when '/rack-3-array-headers'; [ 200, { 'x-r3' => %w(a b c) }, [] ]
     when '/nil-header-value'; [ 200, { 'X-Nil' => nil }, [] ]
     when '/unknown-status-pass-through'; [ '666 I AM THE BEAST', {}, [] ]
     end # case PATH_INFO (GET)
diff --git a/t/integration.t b/t/integration.t
index 5569155..e876c71 100644
--- a/t/integration.t
+++ b/t/integration.t
@@ -38,6 +38,15 @@ SKIP: { # Date header check
 		diag(explain([$t, $!, \@d]));
 };
 
+
+$c = tcp_connect($srv);
+print $c "GET /rack-3-array-headers HTTP/1.0\r\n\r\n" or die $!;
+($status, $hdr) = slurp_hdr($c);
+is_deeply([ grep(/^x-r3: /, @$hdr) ],
+	[ 'x-r3: a', 'x-r3: b', 'x-r3: c' ],
+	'rack 3 array headers supported') or diag(explain($hdr));
+
+
 # cf. <CAO47=rJa=zRcLn_Xm4v2cHPr6c0UswaFC_omYFEH+baSxHOWKQ@mail.gmail.com>
 $c = tcp_connect($srv);
 print $c "GET /nil-header-value HTTP/1.0\r\n\r\n" or die $!;