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Add note to test/README on running with Xvfb.

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This X server has been tested to run through the test suite with
no unexpected failures, and it avoids hitting any X-driver-specific
bugs.
This commit is contained in:
Carl Worth 2008-10-28 17:15:42 -07:00
parent eed6771764
commit 0ca6ba18e3
1 changed files with 17 additions and 0 deletions
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test/README
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@ -107,6 +107,23 @@ Here are some of the relevant details:
* To test the ps backend, you will need ghostscript version 8.62.
* Testing the xlib backend is problematic since many X server
drivers have bugs that are exercised by the test suite. (Or, if
not actual bugs, differ slightly in their output in such a way
that the test suite will report errors.) This can be quite handy
if you want to debug an X server driver, but since most people
don't want to do that, another option is to run against a headless
X server that uses only software for all rendering. One such X
server is Xvfb which can be started like this:
Xfvb -screen 0 1280x1024x24 -ac -nolisten tcp :2
after which the test suite can be run against it like so:
DISPLAY=:2 make test
We have been using Xvfb for testing cairo releases and ensuring
that all tests behave as expected with this X server.
What if I can't make my system match?
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