tree f7930cc6a98bdcb3cedd057045aa4d17f4001330
parent 3cf6263733ee7186882cb778f7b292b2884f6a6b
author Lei Zhang <thestig@chromium.org> 1556329679 +0000
committer Chromium commit bot <commit-bot@chromium.org> 1556329679 +0000

Fix CFXJSE_FormCalcContext::Substr() behavior.

- Update tests according to the XFA spec.
- Make it behave as described in the XFA spec so tests pass.
- This makes an integer underflow in the implementation go away.

BUG=chromium:956985

Change-Id: I5c488de0b04cca5c93fc75e99d4aa5ad09b4c0fe
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/53618
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>