Andrew Halberstadt wrote:
On 01/07/2014 07:23 PM, Neil wrote:
I tried to check in a reftest today. Apparently it fails on Android
and b2g. The failure mode appears to be that the reftest takes a
screenshot before the test has loaded (the page is still blank,
whereas it should have a red square for failure or a green square for
success). Do reftests execute differently on those platforms?
The way they are initialized is different, and they load tests from a
server instead of a file:// url, but other than that the way they are
executed should be the same.
Ah, but it makes a subtle difference to the way XHR works; from a
server, it will parse according to the MIME type, which was HTML in my
case, but from a file:// URL, it always parses in XML, even if the
document would normally load as HTML (i.e. you XHR for a .html
document). I certainly found this behaviour unexpected, even if it isn't
a bug.
This then triggered another unexpected behaviour, which is that XHR's
XML parsing blocks onload but its HTML parsing does not. Therefore my
XHR had not loaded on Android or B2G when the reftest's screenshot was
taken. This explains my original problem.
I've tried switching to XHTML to avoid the problem, and the good news is
that my XHR now loads before the screenshot is taken. The bad news is
that the test still fails, as if the patch wasn't in place. I guess I
need to test with a server rather than just local files.
--
Warning: May contain traces of nuts.
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