nobu	2009-09-29 12:53:44 +0900 (Tue, 29 Sep 2009)

  New Revision: 25145

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=25145

  Log:
    * test/ruby/test_class.rb (test_module_function): tests for warnings.

  Modified files:
    trunk/test/ruby/test_class.rb

Index: test/ruby/test_class.rb
===================================================================
--- test/ruby/test_class.rb	(revision 25144)
+++ test/ruby/test_class.rb	(revision 25145)
@@ -98,11 +98,38 @@
     assert_equal(nil, BasicObject.superclass)
   end
 
+  def verbose_warning
+    class << (stderr = "")
+      alias write <<
+    end
+    stderr, $stderr, verbose, $VERBOSE = $stderr, stderr, $VERBOSE, true
+    yield
+  ensure
+    stderr, $stderr, $VERBOSE = $stderr, stderr, verbose
+    return stderr
+  end
+
   def test_module_function
     c = Class.new
     assert_raise(TypeError) do
       Module.instance_method(:module_function).bind(c).call(:foo)
     end
+
+    stderr = verbose_warning do
+      Module.new do
+        def foo; end
+        def foo; end
+      end
+    end
+    assert_match(/method redefined; discarding old foo/, stderr)
+    stderr = verbose_warning do
+      Module.new do
+        def foo; end
+        alias bar foo
+        alias bar foo
+      end
+    end
+    assert_equal("", stderr)
   end
 
   def test_check_inheritable

--
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