Correct accidental punctuation range in RubyLexer.

Fixes #1006

2 files changed, 53 insertions, 1 deletions

diff --git a/pygments/lexers/ruby.py b/pygments/lexers/ruby.py
index eadb670d..e9973eea 100644
--- a/pygments/lexers/ruby.py
+++ b/pygments/lexers/ruby.py
@@ -306,7 +306,7 @@ class RubyLexer(ExtendedRegexLexer):
             (r'[A-Z]\w+', Name.Constant),
             # this is needed because ruby attributes can look
             # like keywords (class) or like this: ` ?!?
-            (r'(\.|::)([a-zA-Z_]\w*[\!\?]?|[*%&^`~+-/\[<>=])',
+            (r'(\.|::)([a-zA-Z_]\w*[\!\?]?|[*%&^`~+\-/\[<>=])',
              bygroups(Operator, Name)),
             (r'[a-zA-Z_]\w*[\!\?]?', Name),
             (r'(\[|\]|\*\*|<<?|>>?|>=|<=|<=>|=~|={3}|'
diff --git a/tests/test_ruby.py b/tests/test_ruby.py
new file mode 100644
index 00000000..8f719d10
--- /dev/null
+++ b/tests/test_ruby.py
@@ -0,0 +1,52 @@
+# -*- coding: utf-8 -*-
+"""
+    Basic RubyLexer Test
+    ~~~~~~~~~~~~~~~~~~~~
+
+    :copyright: Copyright 2006-2014 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import unittest
+
+from pygments.token import Operator, Number, Text
+from pygments.lexers import RubyLexer
+
+
+class RubyTest(unittest.TestCase):
+
+    def setUp(self):
+        self.lexer = RubyLexer()
+
+    def testRangeSyntax1(self):
+        fragment = u'1..3\n'
+        tokens = [
+            (Number.Integer, u'1'),
+            (Operator, u'..'),
+            (Number.Integer, u'3'),
+            (Text, u'\n'),
+        ]
+        self.assertEqual(tokens, list(self.lexer.get_tokens(fragment)))
+
+    def testRangeSyntax2(self):
+        fragment = u'1...3\n'
+        tokens = [
+            (Number.Integer, u'1'),
+            (Operator, u'...'),
+            (Number.Integer, u'3'),
+            (Text, u'\n'),
+        ]
+        self.assertEqual(tokens, list(self.lexer.get_tokens(fragment)))
+
+    def testRangeSyntax3(self):
+        fragment = u'1 .. 3\n'
+        tokens = [
+            (Number.Integer, u'1'),
+            (Text, u' '),
+            (Operator, u'..'),
+            (Text, u' '),
+            (Number.Integer, u'3'),
+            (Text, u'\n'),
+        ]
+        self.assertEqual(tokens, list(self.lexer.get_tokens(fragment)))
+