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Getting real code coverage by instrumenting paths

by diotalevi (Canon)
on Jul 16, 2007 at 06:32 UTC ( #626786=perlmeditation: print w/ replies, xml ) Need Help??

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  1. or download this
    sub foo {
      join ' ',
        ( $_[0] < .5 ? 'a' : 'b' ),
        ( $_[1] < .5 ? 'c' : 'd' ),
        ( $_[2] < .5 ? 'e' : 'f' ),
    }
    
  2. or download this
    use Runops::Trace 'checksum_code_path';
    for ( 1 .. 1000 ) {
      my @args = ( rand(), rand(), rand() );
    ...
    0.47 0.52 0.33 -> b c f
    0.51 0.53 0.63 -> a c e
    0.59 0.53 0.05 -> a c f
    
  3. or download this
    MD5 checksum for codepath       : count
    3486706209c7e59208c012e9fb50a4a8: 65
    44a40eaf7295843c7b98c513acbd30cd: 39
    ...
    ee75b4954053f18a33f00589f2dff817: 28
    8a17266d3f92737fe3154c2ee3acd0b0: 7
    775a10dbb2d9ce52259680e901999d66: 393
    
  4. or download this
    sub codelength {
        my $count = 0;
        Runops::Trace::trace_function(
    ...
        );
        return $count;
    }
    

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