From c9530982b6bd909bfeacbee67dc695c2aeec9f06 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 7 Dec 2016 14:26:44 +0000
Subject: [PATCH] assertions.rb: defered message in FailDesc

* test/lib/test/unit/assertions.rb (FailDesc): allow to defer
  message generation, as well as other assertion methods.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57016 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/lib/test/unit/assertions.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/lib/test/unit/assertions.rb b/test/lib/test/unit/assertions.rb
index 9277fbc6b6..38411657bd 100644
--- a/test/lib/test/unit/assertions.rb
+++ b/test/lib/test/unit/assertions.rb
@@ -530,6 +530,7 @@ EOT
             sigdesc << " (core dumped)"
           end
           full_message = ''
+          message = message.call if Proc === message
           if message and !message.empty?
             full_message << message << "\n"
           end