gh-1102.lvt

\documentclass{minimal}
\input{pgf-regression-test}

\RequirePackage{tikz}
\usetikzlibrary{calc, matrix}

\begin{document}

\setbox0=\hbox{$()$} % avoid logging font info cmex10 at test for "matrix delimiters"

\START

\SEPARATOR
\TYPE{Testing that special nodes are placed at expected position^^J%
      when main nodes are implicitly positioned.}
\SEPARATOR

\BEGINTEST{labels}
% adapted from https://github.com/pgf-tikz/pgf/issues/126
\begin{tikzpicture}[L/.style={label={[name=#1]above:{.}}}]
  \draw (0,4) -- (3,4) node[midway, L=a] (A) {A};
  \draw (0,3) -- node[L=b] (B) {B} (3,3);

  \draw (0,2) -- (3,2) node[near end, L=c] (C) {C};
  \draw (0,1) -- node[near end, L=d] (D) {D} (3,1);

  % `label distance` is initially 0pt
  \AssertTikzPointEquals{(a.south)}{(A.north)}
  \AssertTikzPointEquals{(b.south)}{(B.north)}
  \AssertTikzPointEquals{(c.south)}{(C.north)}
  \AssertTikzPointEquals{(d.south)}{(D.north)}
\end{tikzpicture}
\ENDTEST

\BEGINTEST{pins}
\catcode`\@=11\relax
\def\distance{\tikz@pin@distance}
\catcode`\@=12\relax

\begin{tikzpicture}[P/.style={pin={[name=#1]above:{.}}}]
  \draw (0,4) -- (3,4) node[midway, P=a] (A) {A};
  \draw (0,3) -- node[P=b] (B) {B} (3,3);

  \draw (0,2) -- (3,2) node[near end, P=c] (C) {C};
  \draw (0,1) -- node[near end, P=d] (D) {D} (3,1);

  \AssertTikzPointEquals{(a.south)}{($ (A.north) + (0pt,\distance) $)}
  \AssertTikzPointEquals{(b.south)}{($ (B.north) + (0pt,\distance) $)}
  \AssertTikzPointEquals{(c.south)}{($ (C.north) + (0pt,\distance) $)}
  \AssertTikzPointEquals{(d.south)}{($ (D.north) + (0pt,\distance) $)}
\end{tikzpicture}
\ENDTEST

\BEGINTEST{matrix delimiters}
% adapted from https://github.com/pgf-tikz/pgf/issues/1102
\begin{tikzpicture}[ampersand replacement=\&, 
  every left delimiter/.style={name=left},
  every right delimiter/.style={name=right},
  every above delimiter/.style={name=above},
  every below delimiter/.style={name=below}]

  \draw[->] (0, 0) --
    node[matrix of math nodes, anchor=north,
         left delimiter=(, right delimiter=),
         above delimiter=\{, below delimiter=\}] (M)
      {0 \& -1 \\ 1 \& 0 \\}
    (1, 0);

  \AssertTikzPointEquals{(M.south west)}{(left.south east)}
  \AssertTikzPointEquals{(M.south east)}{(right.south west)}
  \AssertTikzPointEquals{(M.north west)}{(above.south east)}
  \AssertTikzPointEquals{(M.south west)}{(below.south west)}
\end{tikzpicture}
\ENDTEST

\END