\input regression-test.tex
\documentclass{article}
\usepackage[
  date-format=us,
  startdate=07/08/2026,
  reference-date=07/08/2026
]{kanban-board}
\begin{document}
\sbox0{\scriptsize $x$}% Load math font sizes outside captured output.
\START
\makeatletter
\ifdefstring{\kanban@startdate}{2026-07-08}
  {\TYPE{KANBAN PACKAGE STARTDATE CANONICAL OK}}
  {\TYPE{KANBAN PACKAGE STARTDATE CANONICAL FAILED}}
\ifdefstring{\kanban@referencedate}{2026-07-08}
  {\TYPE{KANBAN PACKAGE REFERENCE DATE CANONICAL OK}}
  {\TYPE{KANBAN PACKAGE REFERENCE DATE CANONICAL FAILED}}

\def\kbtestdate{07/09/2026}
\kbset{startdate=\kbtestdate,reference-date=\kbtestdate}
\def\kbtestdate{12/31/2099}
\ifdefstring{\kanban@startdate}{2026-07-09}
  {\TYPE{KANBAN STARTDATE MACRO SNAPSHOT OK}}
  {\TYPE{KANBAN STARTDATE MACRO SNAPSHOT FAILED}}
\ifdefstring{\kanban@referencedate}{2026-07-09}
  {\TYPE{KANBAN REFERENCE DATE MACRO SNAPSHOT OK}}
  {\TYPE{KANBAN REFERENCE DATE MACRO SNAPSHOT FAILED}}

\kbset{date-format=us,startdate=07/08/2026,
  reference-date=07/08/2026}
\begin{kanban}[columns={Todo},date-format=english]
  \ifdefstring{\kanban@thestart}{2026-07-08}
    {\TYPE{KANBAN INHERITED STARTDATE STABLE OK}}
    {\TYPE{KANBAN INHERITED STARTDATE STABLE FAILED}}
  \ifdefstring{\kanban@thereference}{2026-07-08}
    {\TYPE{KANBAN INHERITED REFERENCE DATE STABLE OK}}
    {\TYPE{KANBAN INHERITED REFERENCE DATE STABLE FAILED}}
  \kb@evaloverdue{M1}
  \ifbool{kb@duenow}
    {\TYPE{KANBAN PROJECT MONTH FORMAT INDEPENDENCE OK}}
    {\TYPE{KANBAN PROJECT MONTH FORMAT INDEPENDENCE FAILED}}
\end{kanban}

\begin{kanban}[columns={Todo},reference-date=09/07/2026,
    date-format=english]
  \ifdefstring{\kanban@thereference}{2026-07-09}
    {\TYPE{KANBAN DEFERRED BOARD REFERENCE DATE OK}}
    {\TYPE{KANBAN DEFERRED BOARD REFERENCE DATE FAILED}}
\end{kanban}
\begin{kanban}[columns={Todo},today=10/07/2026,
    date-format=english]
  \ifdefstring{\kanban@thereference}{2026-07-10}
    {\TYPE{KANBAN TODAY ALIAS OK}}
    {\TYPE{KANBAN TODAY ALIAS FAILED}}
\end{kanban}

\begingroup
  \year=2026 \month=7 \day=11
  \begin{kanban}[columns={Todo},reference-date={}]
    \kb@evaloverdue{2026-07-11}
    \ifbool{kb@duenow}
      {\TYPE{KANBAN BOARD REFERENCE RESET OK}}
      {\TYPE{KANBAN BOARD REFERENCE RESET FAILED}}
  \end{kanban}
\endgroup
\ifdefstring{\kanban@referencedate}{2026-07-08}
  {\TYPE{KANBAN BOARD REFERENCE SCOPE OK}}
  {\TYPE{KANBAN BOARD REFERENCE SCOPE FAILED}}
\kbset{reference-date={}}
\ifdefempty{\kanban@referencedate}
  {\TYPE{KANBAN REFERENCE DEFAULT RESET OK}}
  {\TYPE{KANBAN REFERENCE DEFAULT RESET FAILED}}
\makeatother
\END
\end{document}