Module: LC3Spec::Helpers

Included in:
LC3, Expectations, Test
Defined in:
lib/lc3spec/helpers.rb

Instance Method Summary collapse

Instance Method Details

#is_absolute_path?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/lc3spec/helpers.rb', line 43

def is_absolute_path?(path)
  Pathname.new(path).absolute?
end

#normalize_to_i(number) ⇒ Object 



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# File 'lib/lc3spec/helpers.rb', line 20

def normalize_to_i(number)
  case number
  when String
    if number =~ /^(?:x|0x|X|0X)?([0-9A-Fa-f]{1,4})$/
      num_part = $1

      if num_part[0].to_i(16) > 7
        num_part = num_part.rjust(4, 'F')
      else
        num_part = num_part.rjust(4, '0')
      end

      [num_part].pack('H*').unpack('s>*').first
    else
      raise ArgumentError, "Unable to normalize number: #{number}"
    end
  when Fixnum
    number
  else
    raise ArgumentError, "Expecting String or Fixnum, got #{number.class}"
  end
end

#normalize_to_s(number) ⇒ Object 



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# File 'lib/lc3spec/helpers.rb', line 5

def normalize_to_s(number)
  case number
  when String
    if number =~ /^(?:x|0x|X|0X)?([0-9A-Fa-f]{1,4})$/
      "x#{$1.rjust(4, '0').upcase}"
    else
      raise ArgumentError, "Unable to normalize number: #{number}"
    end
  when Fixnum
    "x#{([number].pack('s>*')).unpack('H*').first.upcase}"
  else
    raise ArgumentError, "Expecting String or Fixnum, got #{number.class}"
  end
end