Coverage Test 包括:Statement coverage、Branch coverage、Path coverage、expression coverage and so on. 
资料Devel::Coverage::Tutorial

$perl -MDevel::Cover yourprog args
$cover

$cover -delete #删除先前的coverage result信息
$HARNESS_PERL_SWITCHES=-MDevel::Cover make test
$cover

Devel::Cover: Writing coverage database to E:/Documents and Settings/Administrat
or/My Documents/PerlScript/cover_db/runs/1336371908.772.12256
----------------------------------- ------ ------ ------ ------ ------ ------
File                                  stmt   bran   cond    sub   time  total
----------------------------------- ------ ------ ------ ------ ------ ------
perl.pl                              100.0    n/a    n/a  100.0  100.0  100.0
Total                                100.0    n/a    n/a  100.0  100.0  100.0
----------------------------------- ------ ------ ------ ------ ------ ------

另外可以在cover_db下查看html形式的信息
bb

fj.pngQQ截图20120507144655.jpg

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转载于:http://blog.itpub.net/24104518/viewspace-722895/

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