require 'facets/array/merge' require 'test/unit' class TC_Array_Merge < Test::Unit::TestCase # merge def test_merge a = [1,2,3] b = [3,4,5] assert_equal( [1,2,3,4,5], a.merge(b) ) end def test_merge! a = [1,2,3] b = [3,4,5] a.merge!(b) assert_equal( [1,2,3,4,5], a ) end end