Introduce LaTeX::TikZ::Set::Chain

[perl/modules/LaTeX-TikZ.git] / t / 30-functor.t

diff --git a/t/30-functor.t b/t/30-functor.t
index aff37308edab349970f788ef6505365fc0f116e3..e455a9d6e1a59bdd73168c6e15257afa0d52097f 100644 (file)
--- a/t/30-functor.t
+++ b/t/30-functor.t
@@ -1,35 +1,19 @@
-#!perl
+#!perl -T
 
 use strict;
 use warnings;
 
-use Test::More tests => 4 + 2 * 4;
+use Test::More tests => 10 + 2 * 7;
 
 use LaTeX::TikZ;
 
-my $tikz = Tikz->formatter(
+use lib 't/lib';
+use LaTeX::TikZ::TestHelper;
+
+using Tikz->formatter(
  format => '%d',
 );
 
-sub check {
- my ($set, $desc, $exp) = @_;
-
- local $Test::Builder::Level = $Test::Builder::Level + 1;
-
- my ($head, $decl, $body) = eval {
-  $tikz->render(ref $set eq 'ARRAY' ? @$set : $set);
- };
- is $@, '', "$desc: no error";
-
- unless (ref $exp eq 'ARRAY') {
-  $exp = [ split /\n/, $exp ];
- }
- unshift @$exp, '\begin{tikzpicture}';
- push    @$exp, '\end{tikzpicture}';
-
- is_deeply $body, $exp, $desc;
-}
-
 my $translate = eval {
  Tikz->functor(
   'LaTeX::TikZ::Set::Point' => sub {
@@ -53,7 +37,11 @@ my $seq = Tikz->seq(
                  Tikz->raw('foo'),
                  Tikz->point(2),
                  Tikz->line(-1 => 3)
-                     ->clip(Tikz->circle(1, 1))
+                     ->clip(Tikz->circle(1, 1)),
+                 Tikz->union(
+                  Tikz->chain(4 => '--' => [ -3, 2 ]),
+                  Tikz->join('-|' => [ -1, 0 ], [ 0, 1 ]),
+                 ),
                 )
               ->clip(Tikz->rectangle([0, -1] => [2, 3]));
 
@@ -72,6 +60,7 @@ check $seq, 'the original sequence', <<'RES';
 \clip (1cm,0cm) circle (1cm) ;
 \draw (-1cm,0cm) -- (3cm,0cm) ;
 \end{scope}
+\draw (4cm,0cm) -- (-3cm,2cm) (-1cm,0cm) -| (0cm,1cm) ;
 \end{scope}
 RES
 
@@ -85,12 +74,13 @@ check $seq2, 'the translated sequence', <<'RES';
 \clip (0cm,1cm) circle (1cm) ;
 \draw (-2cm,1cm) -- (2cm,1cm) ;
 \end{scope}
+\draw (3cm,1cm) -- (-4cm,3cm) (-2cm,1cm) -| (-1cm,2cm) ;
 \end{scope}
 RES
 
 my $strip = eval {
  Tikz->functor(
-  'LaTeX::TikZ::Mod' => sub { return },
+  '+LaTeX::TikZ::Mod' => sub { return },
  );
 };
 is $@, '', 'creating a stripper doesn\'t croak';
@@ -112,6 +102,7 @@ check $seq2, 'the original sequence', <<'RES';
 \clip (0cm,1cm) circle (1cm) ;
 \draw (-2cm,1cm) -- (2cm,1cm) ;
 \end{scope}
+\draw (3cm,1cm) -- (-4cm,3cm) (-2cm,1cm) -| (-1cm,2cm) ;
 \end{scope}
 RES
 
@@ -120,4 +111,62 @@ check $seq3, 'the stripped sequence', <<'RES';
 \draw foo ;
 \draw (1cm,1cm) ;
 \draw (-2cm,1cm) -- (2cm,1cm) ;
+\draw (3cm,1cm) -- (-4cm,3cm) (-2cm,1cm) -| (-1cm,2cm) ;
+RES
+
+my $special = eval {
+ Tikz->functor(
+  '+LaTeX::TikZ::Mod' => sub { die "mod\n" },
+  '+LaTeX::TikZ::Set' => sub { die "set\n" },
+ );
+};
+is $@, '', 'creating a special functor with + rules doesn\'t croak';
+
+eval { $seq->$special };
+is $@, "set\n", 'special functor with + rules eats everything properly';
+
+$special = eval {
+ Tikz->functor(
+  '+LaTeX::TikZ::Mod'       => sub { die "mod\n" },
+  '+LaTeX::TikZ::Set'       => sub { die "set\n" },
+  'LaTeX::TikZ::Set::Point' => sub { Tikz->point(7) },
+  'LaTeX::TikZ::Set::Path'  => sub { Tikz->raw('moo') },
+ );
+};
+is $@, '', 'creating a special functor with + and normal rules doesn\'t croak';
+
+my $res = eval { Tikz->point(3, 4)->$special };
+is $@, '', 'special functor with + and normal rules orders its rules properly';
+
+check $res, 'the result of the special functor', <<'RES';
+\draw (7cm,0cm) ;
+RES
+
+$res = eval { Tikz->raw('hlagh')->$special };
+is $@, '',
+      'special functor with + and normal rules orders its rules properly again';
+
+check $res, 'the result of the special functor', <<'RES';
+\draw moo ;
+RES
+
+using eval {
+ Tikz->formatter(
+  origin => [ -1, 1 ],
+ );
+};
+is $@, '', 'creating a formatter object with an origin doesn\'t croak';
+
+check $seq, 'a sequence translated by an origin', <<'RES';
+\begin{scope}
+\clip (-1cm,0cm) rectangle (1cm,4cm) ;
+\draw (-1cm,1cm) ;
+\draw foo ;
+\draw (1cm,1cm) ;
+\begin{scope}
+\clip (0cm,1cm) circle (1cm) ;
+\draw (-2cm,1cm) -- (2cm,1cm) ;
+\end{scope}
+\draw (3cm,1cm) -- (-4cm,3cm) (-2cm,1cm) -| (-1cm,2cm) ;
+\end{scope}
 RES