1 files changed, 27 insertions, 0 deletions
diff --git a/test/ruby/test_shift_jis.rb b/test/ruby/test_shift_jis.rb
new file mode 100644
index 000000000..f81cb7801
--- /dev/null
+++ b/test/ruby/test_shift_jis.rb
@@ -0,0 +1,27 @@
+# vim: set fileencoding=shift_jis
+
+require "test/unit"
+
+class TestShiftJIS < Test::Unit::TestCase
+  def test_mbc_case_fold
+    assert_match(/(ａ)(a)\1\2/i, "ａaａA")
+    assert_no_match(/(ａ)(a)\1\2/i, "ａaＡA")
+  end
+
+  def test_property
+    assert_match(/あ{0}\p{Hiragana}{4}/, "ひらがな")
+    assert_no_match(/あ{0}\p{Hiragana}{4}/, "カタカナ")
+    assert_no_match(/あ{0}\p{Hiragana}{4}/, "漢字漢字")
+    assert_no_match(/あ{0}\p{Katakana}{4}/, "ひらがな")
+    assert_match(/あ{0}\p{Katakana}{4}/, "カタカナ")
+    assert_no_match(/あ{0}\p{Katakana}{4}/, "漢字漢字")
+    assert_raise(RegexpError) { Regexp.new('あ{0}\p{foobarbaz}') }
+  end
+
+  def test_code_to_mbclen
+    s = "あいうえお"
+    s << 0x82a9
+    assert_equal("あいうえおか", s)
+    assert_raise(ArgumentError) { s << 0x82 }
+  end
+end