duerst	2017-06-28 11:28:00 +0900 (Wed, 28 Jun 2017)

  New Revision: 59189

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=59189

  Log:
    add two tests

  Modified files:
    trunk/test/ruby/test_transcode.rb
Index: test/ruby/test_transcode.rb
===================================================================
--- test/ruby/test_transcode.rb	(revision 59188)
+++ test/ruby/test_transcode.rb	(revision 59189)
@@ -1006,6 +1006,9 @@ class TestTranscode < Test::Unit::TestCa https://github.com/ruby/ruby/blob/trunk/test/ruby/test_transcode.rb#L1006
     fffd5 = "\uFFFD\uFFFD\uFFFD\uFFFD\uFFFD".encode 'UTF-16BE'
     fffd6 = "\uFFFD\uFFFD\uFFFD\uFFFD\uFFFD\uFFFD".encode 'UTF-16BE'
 
+    assert_equal fffd1, "\x80".encode("utf-16be", "utf-8", invalid: :replace)
+    assert_equal fffd1, "\xBF".encode("utf-16be", "utf-8", invalid: :replace)
+
     assert_equal fffd2, "\xC0\x80".encode("utf-16be", "utf-8", invalid: :replace)
     assert_equal fffd2, "\xC0\xBF".encode("utf-16be", "utf-8", invalid: :replace)
     assert_equal fffd2, "\xC1\x80".encode("utf-16be", "utf-8", invalid: :replace)

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