* test/rexml/test_document.rb: Add tests for parsing XML encoded

by UTF-16 with BOM.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37360 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Sun Oct 28 21:18:37 2012  Kouhei Sutou  <kou@cozmixng.org>
+
+	* test/rexml/test_document.rb: Add tests for parsing XML encoded
+	  by UTF-16 with BOM.
+
 Sun Oct 28 19:12:11 2012  Tadayoshi Funaba  <tadf@dotrb.org>
 
 	* ext/date/date_parse.c (iso8601_{ext,bas}_time): should not match

test/rexml/test_document.rb

@@ -223,4 +223,26 @@ EOX
       end
     end
   end
+
+  class BomTest < self
+    def test_utf_16le
+      xml = <<-EOX.encode("UTF-16LE").force_encoding("ASCII-8BIT")
+<?xml version="1.0" encoding="UTF-16"?>
+<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" encoding="UTF-16"?>
+<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