From: Daniel Heath <redmine@...>
Date: 2010-11-28T17:01:32+09:00
Subject: [ruby-core:33444] [Ruby 1.9-Feature#4095][Open] C1 Coverage

Feature #4095: C1 Coverage
http://redmine.ruby-lang.org/issues/show/4095

Author: Daniel Heath
Status: Open, Priority: Normal

The built-in coverage in Ruby 1.9 is great, but it only offers line-by-line coverage.

It would be better if we could determine which parts of each line have been run e.g:

# File 'coverage_example.rb'
true ? 'always run' : 'never run'

Coverage would return:
{'coverage_example.rb' => 
  [
    {
      0..28 => 1
    }, 
    {
      0..21 => 1, 
      22..33 => 0
    }
  ]
}


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