* lib/rexml/parsers/baseparser.rb: Fix a bug that UTF-8 is used

  for UTF-16XX encoded XML that doesn't have encoding="UTF-16" in
  XML declration.
* test/rexml/test_document.rb: Add tests for the above change.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37363 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 22 insertions, 0 deletions

diff --git a/test/rexml/test_document.rb b/test/rexml/test_document.rb
index 028fa988a6..4c5d7d1dd8 100644
--- a/test/rexml/test_document.rb
+++ b/test/rexml/test_document.rb
@@ -246,5 +246,27 @@ EOX
         assert_equal("UTF-16", document.encoding)
       end
     end
+
+    class NoEncodingTest < self
+      def test_utf_16le
+        xml = <<-EOX.encode("UTF-16LE").force_encoding("ASCII-8BIT")
+<?xml version="1.0"?>
+<message>Hello world!</message>
+EOX
+        bom = "\ufeff".encode("UTF-16LE").force_encoding("ASCII-8BIT")
+        document = REXML::Document.new(bom + xml)
+        assert_equal("UTF-16", document.encoding)
+      end
+
+      def test_utf_16be
+        xml = <<-EOX.encode("UTF-16BE").force_encoding("ASCII-8BIT")
+<?xml version="1.0"?>
+<message>Hello world!</message>
+EOX
+        bom = "\ufeff".encode("UTF-16BE").force_encoding("ASCII-8BIT")
+        document = REXML::Document.new(bom + xml)
+        assert_equal("UTF-16", document.encoding)
+      end
+    end
   end
 end