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10 bytes added, 13:51, 13 July 2007
→‎Finding a Regression Range on a Bug
An example using a [http://en.wikipedia.org/wiki/Binary_search_algorithm binary search]:
Let's say that test X worked in version 0.3.1 and did not work in the current nightlies. You find out that 0.3.1 was released on February 23, 2007. So, you start looking at builds to find out when test X stopped working.
1. # Check 0.3.1 just to be sure that it did in fact work2. # Check a nightly build created on a date halfway between now and February 23, 2007.** If test X works on this build, then check it with a nightly that is halfway between this date and the current date.** If test X fails on this build, then check it with a nightly that is halfway between this date and the date of your last known working build (in this case, February 23, 2007)
Keep halfing like this until you find the date where in the nightly before this date test X worked, and in the nightly built on this date, test X fails.
* Most recent three months of nightly builds are [ftp://ftp.mozilla.org/pub/mozilla.org/calendar/lightning/nightly here]
* From previous months in [ftp://ftp.mozilla.org/pub/mozilla.org/calendar/lightning/nightly/2007 2007]
* For builds in [ftp://ftp.mozilla.org/pub/mozilla.org/calendar/lightning/nightly/2006 2006]
===Testdays and other events===
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