merges r25360 from trunk into ruby_1_9_1.

--
* test/ruby/test_object.rb (test_remove_method): test for Bug#2202.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@26488 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 20 insertions, 0 deletions

diff --git a/test/ruby/test_object.rb b/test/ruby/test_object.rb
index 14f189685b..051e55570f 100644
--- a/test/ruby/test_object.rb
+++ b/test/ruby/test_object.rb
@@ -265,6 +265,26 @@ class TestObject < Test::Unit::TestCase
       c.instance_eval { remove_method(:foo) }
     end
 
+    c = Class.new do
+      def meth1; "meth" end
+    end
+    d = Class.new(c) do
+      alias meth2 meth1
+    end
+    o1 = c.new
+    assert_respond_to(o1, :meth1)
+    assert_equal("meth", o1.meth1)
+    o2 = d.new
+    assert_respond_to(o2, :meth1)
+    assert_equal("meth", o2.meth1)
+    assert_respond_to(o2, :meth2)
+    assert_equal("meth", o2.meth2)
+    d.class_eval do
+      remove_method :meth2
+    end
+    bug2202 = '[ruby-core:26074]'
+    assert_raise(NoMethodError, bug2202) {o2.meth2}
+
     %w(object_id __send__ initialize).each do |m|
       assert_in_out_err([], <<-INPUT, %w(:ok), /warning: removing `#{m}' may cause serious problem$/)
         $VERBOSE = false