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Finding a Regression Range - use 0.3 in example to check the correct range
(Finding a Regression Range - use 0.3 in example to check the correct range) |
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An example using a [http://en.wikipedia.org/wiki/Binary_search_algorithm binary search]: | 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 | Let's say that test X worked in version 0.3 and did not work in the current nightlies. You find out that 0.3 was released on October 11, 2006. So, you start looking at builds to find out when test X stopped working. | ||
# Check 0.3 | # Check 0.3 just to be sure that it did in fact work | ||
# Check a nightly build created on a date halfway between now and | # Check a nightly build created on a date halfway between now and October 11, 2006. | ||
* 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 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, | * 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, October 11, 2006) | ||
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. | 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. | ||