code being tested

#!ruby1.9
counts = []
reference = []
file = File.new(__FILE__)
line_count = 1
while line = file.gets
  reference[line_count] = line
  line_count += 1
end

set_trace_func proc { |event, file, line, id, binding, classname|
if file == __FILE__
  if counts[line]
    counts[line] += 1
  else
    counts[line] = 1
  end
end
}


class Test
  def test
    a = 1
    b = 2
    if a == 5
      b += 5
    else
      b += 1
    end
    b
  end
end

t = Test.new
t.test

a, b, c = (1..3).to_a
10.times do
  a += 1
  20.times do |i|
    b += i
    b.times do
      c += (j = (b-a).abs) > 0 ? j : 0
    end
  end
end

puts "a: #{a}"
puts "b: #{b}"
puts "c: #{c}"

set_trace_func nil

for k in 20..(__LINE__ - 2)
  puts "#{counts[k]} #{reference[k]}"
end

ruby 1.8 coverage

a: 11
b: 1902
c: 229330293
 
 
5 class Test
4   def test
1     a = 1
1     b = 2
4     if a == 5
       b += 5
     else
3       b += 1
     end
2     b
   end
 end
 
5 t = Test.new
1 t.test
 
6 a, b, c = (1..3).to_a
3 10.times do
30   a += 1
30   20.times do |i|
600     b += i
600     b.times do
2216400       c += (j = (b-a).abs) > 0 ? j : 0
     end
   end
 end
 
9 puts "a: #{a}"
9 puts "b: #{b}"
9 puts "c: #{c}"
 
2 set_trace_func nil

ruby 1.9 coverage

a: 11
b: 1902
c: 229330293
 
 
3 class Test
5   def test
1     a = 1
1     b = 2
1     if a == 5
       b += 5
     else
1       b += 1
     end
1     b
   end
2 end
 
3 class Another
1   if true
    end
2   end
 
6 a, b, c = (1..3).to_a
3 10.times do
10   a += 1
30   20.times do |i|
200     b += i
600     b.times do
923500       c += (j = (b-a).abs) > 0 ? j : 0
     end
   end
 end
 
11 puts "a: #{a}"
11 puts "b: #{b}"
11 puts "c: #{c}"
 
2 set_trace_func nil