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require 'abstract_unit'
class EmptyTrue
def empty?() true; end
end
class EmptyFalse
def empty?() false; end
end
class BlankTest < Test::Unit::TestCase
BLANK = [ EmptyTrue.new, nil, false, '', ' ', " \n\t \r ", [], {} ]
NOT = [ EmptyFalse.new, Object.new, true, 0, 1, 'a', [nil], { nil => 0 } ]
def test_blank
BLANK.each { |v| assert v.blank?, "#{v.inspect} should be blank" }
NOT.each { |v| assert !v.blank?, "#{v.inspect} should not be blank" }
end
end
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