* re.c (append_utf8): check unicode range.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14154 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 10 insertions, 0 deletions

diff --git a/test/ruby/test_m17n.rb b/test/ruby/test_m17n.rb
index 28f636fc65..f0c98eb4eb 100644
--- a/test/ruby/test_m17n.rb
+++ b/test/ruby/test_m17n.rb
@@ -446,6 +446,16 @@ class TestM17N < Test::Unit::TestCase
     #assert_raise(SyntaxError) { s1, s2 = u('\xc2'), u('\xa1'); /#{s1}#{s2}/ }
   end
 
+  def test_regexp_unicode
+    assert_nothing_raised { eval '/\u{0}/' }
+    assert_nothing_raised { eval '/\u{D7FF}/' }
+    assert_raise(SyntaxError) { eval '/\u{D800}/' }
+    assert_raise(SyntaxError) { eval '/\u{DFFF}/' }
+    assert_nothing_raised { eval '/\u{E000}/' }
+    assert_nothing_raised { eval '/\u{10FFFF}/' }
+    assert_raise(SyntaxError) { eval '/\u{110000}/' }
+  end
+
   def test_regexp_mixed_unicode
     assert_raise(SyntaxError) { eval(a(%{/\xc2\xa0\\u{6666}/})) }
     assert_raise(SyntaxError) { eval(e(%{/\xc2\xa0\\u{6666}/})) }