class TestGenerator

# File test/testgenerator.rb, line 7
def test_generator
      # Use WrappedStream to ensure that the stream protocol is used and
      # not the Enumerable protocol.
      g = Generator.new { |g|
        for i in 1..3
              g.yield i
        end
        g.yield 0
      }
      assert_equal([1, 2, 3, 0], WrappedStream.new(g).to_a)
      
      # Generators are not reversable
      assert_raises(NotImplementedError) {g.reverse.first}

      a = (1..10).to_a
      assert_equal(a, WrappedStream.new(Generator.new(a)).to_a)
end