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Bug #72557 Failing GD tests for external libgd builds
Submitted: 2016-07-07 12:40 UTC Modified: 2016-08-17 17:01 UTC
Votes:3
Avg. Score:3.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:1 (100.0%)
Same OS:0 (0.0%)
From: cmb@php.net Assigned: cmb (profile)
Status: Assigned Package: Testing related
PHP Version: 5.6Git-2016-07-07 (Git) OS: Linux
Private report: No CVE-ID: None
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 [2016-07-07 12:40 UTC] cmb@php.net
Description:
------------
I just noticed that lots of ext/gd/tests/*.phpt fail when PHP is
built with an external libgd-2.1.1 (I have not checked yet with
other libgd versions, but I suppose there are issues, too). A
quick check showed different reasons:

 1) slight image differences (due to rounding/different
    implementation?)
 2) (slightly) different warning messages
 3) segfaults and/or memory leaks

While (1) and (2) are "only" annoying, (3) seems to be a serious
issue. Nonetheless, all failing tests should be adjusted (at the
very least (1) and (2) should be skipped for external libgd
builds).


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 [2016-07-07 17:13 UTC] cmb@php.net
-Assigned To: +Assigned To: cmb
 [2016-07-08 05:00 UTC] pajoye@php.net
I would try with 2.2.2 as many fixes in bundled gd are in 2.2 as well but not in 2.1.
The rounding issues wille be solved in 7.1 by using 2.2.x.

Also some tests may be due to different architecture.
 [2016-07-08 10:42 UTC] cmb@php.net
Indeed, with libgd-2.2.2 apparently there are no segfaulting
tests. It's probably best to skip/xfail these tests for libgd-2.1,
because that version seems still to be in widespread use, and
users running the test suite would experience a high failure rate.
I'll have a look at it.
 
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