require 'facets/module/conflict' require 'test/unit' class Test_Module_Conflict < Test::Unit::TestCase class X def q; "qx"; end end class Y def q; "qy"; end end if RUBY_VERSION < '1.9' def test_conflict? assert_equal( ["q"], X.conflict?(Y) ) end else def test_conflict? assert_equal( [:q], X.conflict?(Y) ) end end end