assert_not_equal(expected, actual): The opposite of assert_equal. This test will fail if the expected and actual values are equal. : assert « Unit Test « Ruby






  1. Ruby
  2. Unit Test
  3. assert

assert_not_equal(expected, actual): The opposite of assert_equal. This test will fail if the expected and actual values are equal.


require 'test/unit'

class String
  def titleize
    self.gsub(/\s(\w)/) { |letter| letter.upcase }.gsub(/^\w/) do |letter|
      letter.upcase
    end
  end
end

def test_words
   assert_not_equal("Let's make a test fail!", "foo".titleize)
end








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