Class: TestCase

Inherits:
Object
  • Object
show all
Defined in:
lib/test_case.rb

Instance Method Summary collapse

Constructor Details

#initialize(number, condition_count, decision) ⇒ TestCase

Returns a new instance of TestCase.



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# File 'lib/test_case.rb', line 7

def initialize(number, condition_count, decision)
  @condition_value = number - 1
  @condition_count = condition_count
  @decision = decision
end

Instance Method Details

#conditions ⇒ Object 



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# File 'lib/test_case.rb', line 18

def conditions
  @conditions ||= (@condition_value).to_array_of_bits(@condition_count)
end

#formatted(format) ⇒ Object 



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# File 'lib/test_case.rb', line 49

def formatted(format)
  "%2d) %s | %3d\n" % [number, conditions.join(' '), output]
end

#initialize_copy(source) ⇒ Object 



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# File 'lib/test_case.rb', line 13

def initialize_copy(source)
  super
  @conditions = conditions.dup
end

#is_mcdc_case_for_index?(index) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/test_case.rb', line 35

def is_mcdc_case_for_index?(index)
  modified_case = negate_condition_at_index(index)
  modified_case.output != output
end

#mcdc_pair(index) ⇒ Object 



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# File 'lib/test_case.rb', line 30

def mcdc_pair(index)
  modified_case = negate_condition_at_index(index)
  [number, modified_case.number].sort
end

#negate_condition_at_index(index) ⇒ Object 



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# File 'lib/test_case.rb', line 40

def negate_condition_at_index(index)
  dup.negate_condition_at_index!(index)
end

#negate_condition_at_index!(index) ⇒ Object 



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# File 'lib/test_case.rb', line 44

def negate_condition_at_index!(index)
  conditions[index] = conditions[index].negate
  self
end

#number ⇒ Object 



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# File 'lib/test_case.rb', line 22

def number
  conditions.join.to_i(base = 2) + 1
end

#output ⇒ Object 



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# File 'lib/test_case.rb', line 26

def output
  @decision.evaluate(conditions.dup)
end