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When generating PDFs using the fixup script and a .in, specify them to
to use Ahem.ttf as the text font. Ahem is a font designed to reduce
flakiness in pixel tests due to font rendering differences between
platforms. Specifically the glyphs in the font are standard size black
boxes, so though the specific text content cannot be easily compared,
things like layout and high level changes to the content can still
be tested. Testing things like specific text changes should be done
via an embedder test, where the strings in the elements can be
extracted and inspected.
The font itself is is CID type 2 font, which is relatively complex to
correctly embed in a PDF due to subsetting and other features. Instead
of embedding it in the generated PDFs, which was originally attempted,
it is being supplied to pdfium_test via the --font-dir flag. This flag
overrides where the binary looks for system fonts. This works
correctly on Mac and Linux, but not on Windows, which is why that
platform remains suppressed.
BUG=pdfium:1008,pdfium:1020
Change-Id: I00811536de98f736fc599d96b397194ccf8db0cd
Reviewed-on: https://pdfium-review.googlesource.com/27790
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
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CreateUIChild() was changed and renamed to
CreateChildUIAndValueNodesIfNeeded() in:
https://pdfium-review.googlesource.com/c/pdfium/+/24390
This caused some bugs but it's too far back for a rollback.
This cl restores the logic of CreateUIChild() keeping the new
signature.
Bug: chromium:838994
Change-Id: I44ce741fdb90f8b0fd11379b5e881e376c307f0c
Reviewed-on: https://pdfium-review.googlesource.com/32090
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
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BUG=pdfium:1008,pdfium:1020
Change-Id: I607b9327252ff836ad78a55659b1d40bc2797906
Reviewed-on: https://pdfium-review.googlesource.com/27771
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
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This removes the need for them to have their own runner. Due to other
upstream changes some of the expectation files needed to be
updated. The suppressions have been updated to make sure the tests do
not run for non-XFA builds.
Having these tests run on the bots surfaced an MSAN issue in the XFA
code, which is fixed in this CL.
BUG=pdfium:1020,pdfium:1008
Change-Id: I44e2fa1cba2d07f30f56f5792749acbe1ebf4b62
Reviewed-on: https://pdfium-review.googlesource.com/27710
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
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