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@maettuu maettuu commented Jul 20, 2025

This test was automatically generated and could serve as a regression test for PR #19639. The added test:

  • fails on the codebase prior to the PR
  • passes on the codebase after the PR
  • still passes against today’s pdf.js master branch

It ensures that negative “LW” entries in an ExtGState dictionary are converted to their absolute values when the “gs” operator is processed.

This is part of our research at the ZEST group of University of Zurich in collaboration with Mozilla.
If you have any suggestions, questions, or simply want to learn more, feel free to contact us at [email protected] and [email protected].

Ensure that negative “LW” entries in an ExtGState dictionary are converted to their absolute values when the “gs” operator is processed.

See PR mozilla#19639
@maettuu maettuu changed the title Add regression test for PR #19639 Add regression test for PR 19639 Jul 20, 2025
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/botio unittest

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From: Bot.io (Linux m4)


Received

Command cmd_unittest from @calixteman received. Current queue size: 0

Live output at: http://54.241.84.105:8877/ef0d9ce7042abe7/output.txt

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From: Bot.io (Windows)


Received

Command cmd_unittest from @calixteman received. Current queue size: 1

Live output at: http://54.193.163.58:8877/86f5793f6b382e1/output.txt

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From: Bot.io (Linux m4)


Success

Full output at http://54.241.84.105:8877/ef0d9ce7042abe7/output.txt

Total script time: 2.69 mins

  • Unit Tests: Passed

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From: Bot.io (Windows)


Failed

Full output at http://54.193.163.58:8877/86f5793f6b382e1/output.txt

Total script time: 6.77 mins

  • Unit Tests: FAILED

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LGTM. Thank you.

@calixteman calixteman merged commit 2e974e8 into mozilla:master Jul 28, 2025
7 checks passed
@maettuu maettuu deleted the reg-test-pr-19639 branch August 6, 2025 08:59
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4 participants