* encoding.c (rb_obj_encoding): rdoc update. a patch from David

  Flanagan <david AT davidflanagan.com>.  [ruby-core:12664]

* encoding.c (enc_dump, enc_load): marshaling feature.  a patch from
  David Flanagan.  [ruby-core:12665]

* encoding.c (Init_Encoding): undefine allocator of Encoding.
  [ruby-core:12665], [ruby-core:12666]

* test/ruby/test_encoding.rb: tests for Encoding from David Flanagan
  [ruby-core:12665]


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@13697 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 28 insertions, 0 deletions

diff --git a/test/ruby/test_encoding.rb b/test/ruby/test_encoding.rb
new file mode 100644
index 000000000..a9bcd8eb9
--- /dev/null
+++ b/test/ruby/test_encoding.rb
@@ -0,0 +1,28 @@
+require 'test/unit'
+
+class TestEncoding < Test::Unit::TestCase
+
+  # Test basic encoding methods: list, find, name
+  def test_encoding
+    encodings = Encoding.list
+    assert_equal(encodings.empty?, false)
+
+    encodings.each do |e|
+      assert_equal(e, Encoding.find(e.name))
+      assert_equal(e, Encoding.find(e.name.upcase))
+      assert_equal(e, Encoding.find(e.name.capitalize))
+      assert_equal(e, Encoding.find(e.name.downcase))
+    end
+  end
+
+  # Test that Encoding objects can't be copied
+  # And that they can be compared by object_id
+  def test_singleton
+    encodings = Encoding.list
+    encodings.each do |e|
+      assert_raise(TypeError) { e.dup }
+      assert_raise(TypeError) { e.clone }
+      assert_equal(e.object_id, Marshal.load(Marshal.dump(e)).object_id)
+    end    
+  end
+end