require 'test/unit'
require 'carat/nil-as-emptiness'


class TC_NilAsEmptiness < Test::Unit::TestCase
  
  def test_emptiness
    assert( nil.empty? )
    assert_equal( 0.0, nil.to_f )
    #assert_equal( false, nil.to_b )
    assert_equal( nil, nil[:any] )
    assert_equal( 0, nil.length )
    assert_equal( 0, nil.size )
    assert_equal( nil, nil.include?(:any) )   
    assert_equal( {}, nil.to_h )
  end
 
end