* test/ruby/test_transcode.rb: add tests for iso-2022-jp.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16821 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 15 insertions, 0 deletions

diff --git a/test/ruby/test_transcode.rb b/test/ruby/test_transcode.rb
index e4bad8e38a..71045bb82d 100644
--- a/test/ruby/test_transcode.rb
+++ b/test/ruby/test_transcode.rb
@@ -253,4 +253,19 @@ class TestTranscode < Test::Unit::TestCase
     assert_equal(''.force_encoding('UTF-16BE'),
       "\x82\xAB".encode('UTF-16BE', 'UTF-8', invalid: :ignore))
   end
+
+  def test_iso_2022_jp
+    assert_raise(RuntimeError) { "\x1b(A".encode("utf-8", "iso-2022-jp") }
+    assert_raise(RuntimeError) { "\x1b$(A".encode("utf-8", "iso-2022-jp") }
+    assert_equal("\uff71\uff72\uff73\uff74\uff75",
+                 "\x1b(I12345\x1b(B".force_encoding("iso-2022-jp").encode("utf-8"))
+    assert_equal("\u9299", "\x1b$(Dd!\x1b(B".encode("utf-8", "iso-2022-jp"))
+    assert_raise(RuntimeError) { "\x1b$C".encode("utf-8", "iso-2022-jp") }
+    assert_raise(RuntimeError) { "\x1e".encode("utf-8", "iso-2022-jp") }
+    assert_raise(RuntimeError) { "\x80".encode("utf-8", "iso-2022-jp") }
+
+    assert_equal("\x1b(I12345\x1b(B".force_encoding("iso-2022-jp"),
+                 "\uff71\uff72\uff73\uff74\uff75".encode("iso-2022-jp"))
+    assert_equal("\x1b$(Dd!\x1b(B".force_encoding("iso-2022-jp"), "\u9299".encode("iso-2022-jp"))
+  end
 end