merges r24405 from trunk into ruby_1_9_1.

--
* range.c (range_eql, range_eq): fixed equality to work for
  subclasses of Range.  a patch from Marc-Andre Lafortune.
   [ruby-core:22190]

* test/ruby/test_range.rb: add assertions for above.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/branches/ruby_1_9_1@24469 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 0 deletions

diff --git a/test/ruby/test_range.rb b/test/ruby/test_range.rb
index b4c078915..9dfd29012 100644
--- a/test/ruby/test_range.rb
+++ b/test/ruby/test_range.rb
@@ -89,6 +89,8 @@ class TestRange < Test::Unit::TestCase
     assert(r != (1..2))
     assert(r != (0..2))
     assert(r != (0...1))
+    subclass = Class.new(Range)
+    assert(r == subclass.new(0,1))
   end
 
   def test_eql
@@ -99,6 +101,8 @@ class TestRange < Test::Unit::TestCase
     assert(!r.eql?(1..2))
     assert(!r.eql?(0..2))
     assert(!r.eql?(0...1))
+    subclass = Class.new(Range)
+    assert(r.eql?(subclass.new(0,1)))
   end
 
   def test_hash