* test/ruby/test_module.rb (TestModule#test_mix_const): test for

constant mix.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31918 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/ruby/test_module.rb

@@ -1069,7 +1069,7 @@ class TestModule < Test::Unit::TestCase
     assert_in_out_err([], src, ["NameError"], [])
   end
 
-  def test_mix
+  def test_mix_method
     american = Module.new do
       attr_accessor :address
     end
@@ -1112,4 +1112,19 @@ class TestModule < Test::Unit::TestCase
       }
     }
   end
+
+  def test_mix_const
+    foo = Module.new do
+      const_set(:D, 55)
+    end
+    bar = Class.new do
+      const_set(:D, 42)
+    end
+    assert_nothing_raised(ArgumentError) {
+      bar.class_eval {
+        mix foo
+      }
+    }
+    assert_equal(42, bar::D)
+  end
 end