* string.c (count_utf8_lead_bytes_with_ulong): fix shift size.

  [ruby-dev:33993]

* string.c (str_utf8_nth) fix wrong counting.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15700 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 11 insertions, 0 deletions

diff --git a/test/ruby/test_m17n.rb b/test/ruby/test_m17n.rb
index 069554a127..7a9e24f4a1 100644
--- a/test/ruby/test_m17n.rb
+++ b/test/ruby/test_m17n.rb
@@ -810,6 +810,17 @@ class TestM17N < Test::Unit::TestCase
     assert_equal(false, str[0..-1].ascii_only?)
   end
 
+  def test_utf8str_aref
+    s = "abcdefghijklmnopqrstuvwxyz\u{3042 3044 3046 3048 304A}"
+    assert_equal("a", s[0])
+    assert_equal("h", s[7])
+    assert_equal("i", s[8])
+    assert_equal("j", s[9])
+    assert_equal("\u{3044}", s[27])
+    assert_equal("\u{3046}", s[28])
+    assert_equal("\u{3048}", s[29])
+  end
+
   def test_str_aref_len
     assert_equal(a("\xa1"), a("\xc2\xa1\xc2\xa2\xc2\xa3")[1, 1])
     assert_equal(a("\xa1\xc2"), a("\xc2\xa1\xc2\xa2\xc2\xa3")[1, 2])