# Coverage and thread

**URL:** <https://www.ruby-forum.com/t/coverage-and-thread/180980>\
**Category:** Development\
**Created:** [January 2, 2010, 7:32pm UTC](https://www.ruby-forum.com/t/coverage-and-thread/180980 "2010-01-02T19:32:10Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![Tanaka\_A](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/c67d28/32.png) [@Tanaka\_A](https://www.ruby-forum.com/u/Tanaka_A)\
**Post date:** [January 2, 2010, 7:32pm UTC](https://www.ruby-forum.com/t/coverage-and-thread/180980/1 "2010-01-02T19:32:10Z")

</div>

coverage  
e$B$G!"%9%l%C%IFb$GF0:n$7$?%3!\<%I$,?t$($i$l$J$$$h$&$J$N$G$9$,!"e(B  
e$B$=$&$$$&$b$N$J$s$G$7$?$C$1e(B?

% cat z.rb  
Thread.new {  
100.times {  
1 + 1  
}  
}.join  
% ./ruby -rcoverage -ve ’  
Coverage.start  
load “z.rb”  
p Coverage.result  
’  
ruby 1.9.2dev (2010-01-03 trunk 26233) [i686-linux]  
{“z.rb”=\>[1, 0, 0, nil, nil]}

e$B%9%l%C%I$G$J$1$l$P?t$($i$l$^$9!#e(B

% cat z2.rb  
100.times {  
1 + 1  
}  
% ./ruby -rcoverage -ve ’  
Coverage.start  
load “z2.rb”  
p Coverage.result  
’  
ruby 1.9.2dev (2010-01-03 trunk 26233) [i686-linux]  
{“z2.rb”=\>[1, 100, nil]}

---

<div class="post-metadata">

**Author:** ![Tanaka\_A](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/c67d28/32.png) [@Tanaka\_A](https://www.ruby-forum.com/u/Tanaka_A)\
**Post date:** [January 11, 2010, 6:35pm UTC](https://www.ruby-forum.com/t/coverage-and-thread/180980/2 "2010-01-11T18:35:55Z")

</div>

e$B1sF#$G$9!#e(B

2010e$BG/e(B1e$B7ne(B3e$BF|e(B3:31 Tanaka A. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid):

> coverage e$B$G!"%9%l%C%IFb$GF0:n$7$?%3!\<%I$,?t$($i$l$J$$$h$&$J$N$G$9$,!"e(B  
> e$B$=$&$$$&$b$N$J$s$G$7$?$C$1e(B?

e$B0U?^$7$?5sF0$G$O$"$j$^$;$s!#e(B

coverage e$B$K8B$i$:!"e(Bevent hook e$B$,$=$&$$$&5sF0e(B  
(e$B%U%C%/$r@\_Dj$7$?8e$Ge(B  
e$B5/F0$7$?%9%l%C%I$N%$%Y%s%H$,=&$o$l$J$$e(B)  
e$B$K$J$C$F$7$^$C$F$$$k$h$&e(B  
e$B$G$9!#$3$l$O%P%0$H$$$C$F$$$$$H;W$$$^$9!#e(B

[ruby-core:25191] e$B$GJs9p$5$l$F!“e(B[ruby-core:27471]  
e$B$K%Q%C%A$,$”$j!"e(B  
e$B8=:\_$5$5$@$5$se(B (e$B$G$$$$$N$+$J!)e(B) e$B$NJV;vBT$A$G$9!#e(B