From e9e01ec4a0a86835a55a0bc56d8d10e8693c3ae1 Mon Sep 17 00:00:00 2001
From: tenderlove <tenderlove@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 5 Jan 2011 17:57:38 +0000
Subject: * ext/psych/lib/psych/visitors/yaml_tree.rb: use YAML 1.0 output  
 format for serializing nil values.  Thanks Eric Hodel! *
 test/psych/test_nil.rb: test for nil values

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30459 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/psych/test_nil.rb | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 test/psych/test_nil.rb

(limited to 'test/psych')

diff --git a/test/psych/test_nil.rb b/test/psych/test_nil.rb
new file mode 100644
index 0000000000..e63c6c7286
--- /dev/null
+++ b/test/psych/test_nil.rb
@@ -0,0 +1,18 @@
+require_relative 'helper'
+
+module Psych
+  class TestNil < TestCase
+    def test_nil
+      yml = Psych.dump nil
+      assert_equal "--- \n...\n", yml
+      assert_equal nil, Psych.load(yml)
+    end
+
+    def test_array_nil
+      yml = Psych.dump [nil]
+      assert_equal "---\n- \n", yml
+      assert_equal [nil], Psych.load(yml)
+    end
+
+  end
+end
-- 
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