tenderlove	2011-01-06 02:57:38 +0900 (Thu, 06 Jan 2011)

  New Revision: 30459

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=30459

  Log:
    * 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

  Added files:
    trunk/test/psych/test_nil.rb
  Modified files:
    trunk/ChangeLog
    trunk/ext/psych/lib/psych/visitors/yaml_tree.rb

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 30458)
+++ ChangeLog	(revision 30459)
@@ -1,3 +1,10 @@
+Thu Jan  6 02:55:48 2011  Aaron Patterson <aaron@t...>
+
+	* 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
+
 Wed Jan  5 14:21:34 2011  Mark Dodwell  <hi@m...>
 
 	* string.c: fix rdoc typo.
Index: ext/psych/lib/psych/visitors/yaml_tree.rb
===================================================================
--- ext/psych/lib/psych/visitors/yaml_tree.rb	(revision 30458)
+++ ext/psych/lib/psych/visitors/yaml_tree.rb	(revision 30459)
@@ -279,7 +279,7 @@
       end
 
       def visit_NilClass o
-        @emitter.scalar('', nil, 'tag:yaml.org,2002:null', false, false, Nodes::Scalar::ANY)
+        @emitter.scalar('', nil, 'tag:yaml.org,2002:null', true, false, Nodes::Scalar::ANY)
       end
 
       def visit_Symbol o
Index: test/psych/test_nil.rb
===================================================================
--- test/psych/test_nil.rb	(revision 0)
+++ test/psych/test_nil.rb	(revision 30459)
@@ -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

--
ML: ruby-changes@q...
Info: http://www.atdot.net/~ko1/quickml/