1 files changed, 28 insertions, 0 deletions
diff --git a/trunk/test/ruby/enc/test_gbk.rb b/trunk/test/ruby/enc/test_gbk.rb
new file mode 100644
index 0000000000..d6dc5d6d1b
--- /dev/null
+++ b/trunk/test/ruby/enc/test_gbk.rb
@@ -0,0 +1,28 @@
+require "test/unit"
+
+class TestGBK < Test::Unit::TestCase
+  def s(s)
+    s.force_encoding("gbk")
+  end
+
+  def test_mbc_enc_len
+    assert_equal(1, s("\x81\x40").size)
+  end
+
+  def test_mbc_to_code
+    assert_equal(0x8140, s("\x81\x40").ord)
+  end
+
+  def test_code_to_mbc
+    assert_equal(s("\x81\x40"), 0x8140.chr("gbk"))
+  end
+
+  def test_mbc_case_fold
+    r = Regexp.new(s("(\x81\x40)\\1"), "i")
+    assert_match(r, s("\x81\x40\x81\x40"))
+  end
+
+  def test_left_adjust_char_head
+    assert_equal(s("\x81\x40"), s("\x81\x40\x81\x40").chop)
+  end
+end