Introduce LaTeX::TikZ::Set::Arrow

[perl/modules/LaTeX-TikZ.git] / t / 12-geo.t

diff --git a/t/12-geo.t b/t/12-geo.t
index ab56eaac3049175cb7777e7c4c529a33fe2ff3e8..7ce5d643a2414d94b3d43658c4c37614ea5c1c07 100644 (file)
--- a/t/12-geo.t
+++ b/t/12-geo.t
@@ -3,7 +3,7 @@
 use strict;
 use warnings;
 
-use Test::More tests => 11 + 2 * 10;
+use Test::More tests => (16 + 2 * 5) + 2 * (13 + 2 * 3);
 
 use Math::Complex;
 
@@ -32,6 +32,11 @@ sub check {
  is_deeply $body, $exp, $desc;
 }
 
+sub failed_valid {
+ my ($tc) = @_;
+ qr/Validation failed for '\Q$tc\E'/;
+}
+
 my $o = Tikz->point(0);
 my $z = Tikz->point(1+2*i);
 
@@ -55,6 +60,73 @@ check $l, 'a line from two Tikz points', <<'RES';
 \draw (-1cm,2cm) -- (3cm,-4cm) ;
 RES
 
+# Arrow
+
+my $ar = eval {
+ Tikz->arrow($o, 1);
+};
+is $@, '', 'creating an arrow from two points doesn\'t croak';
+
+check $ar, 'an arrow from two points', <<'RES';
+\draw [->] (0cm,0cm) -- (1cm,0cm) ;
+RES
+
+$ar = eval {
+ Tikz->arrow(2, dir => -i());
+};
+is $@, '', 'creating an arrow from a point and a direction doesn\'t croak';
+
+check $ar, 'an arrow from a point and a direction', <<'RES';
+\draw [->] (2cm,0cm) -- (2cm,-1cm) ;
+RES
+
+# Polyline
+
+my $w = Tikz->point(3, -4);
+
+for my $closed (0, 1) {
+ my $polyline = $closed ? 'closed_polyline' : 'polyline';
+ my $cycle    = $closed ? '-- cycle '       : '';
+ my $desc     = $closed ? 'closed polyline' : 'polyline';
+
+ my $pl = eval {
+  Tikz->$polyline($o, $z);
+ };
+ is $@, '', "creating a $desc from two Tikz points doesn't croak";
+
+ check $pl, "a $desc from two Tikz points", <<"RES";
+\\draw (0cm,0cm) -- (1cm,2cm) $cycle;
+RES
+
+ $pl = eval {
+  Tikz->$polyline($o, $z, $w);
+ };
+ is $@, '', "creating a $desc from three Tikz points doesn't croak";
+
+ check $pl, "a $desc from three Tikz points", <<"RES";
+\\draw (0cm,0cm) -- (1cm,2cm) -- (3cm,-4cm) $cycle;
+RES
+
+ $pl = eval {
+  Tikz->$polyline(-1, (2-3*i), [-4, 5]);
+ };
+ is $@, '', "creating a $desc from three Tikz points doesn't croak";
+
+ check $pl, "a $desc from three Tikz points", <<"RES";
+\\draw (-1cm,0cm) -- (2cm,-3cm) -- (-4cm,5cm) $cycle;
+RES
+
+ $pl = eval {
+  Tikz->$polyline($o);
+ };
+ like $@, qr/at least two LaTeX::TikZ::Set::Point objects are needed in order to build a polyline/, "creating a $desc from only one Tikz point croaks";
+
+ $pl = eval {
+  Tikz->$polyline(qw/foo bar/);
+ };
+ like $@, failed_valid('LaTeX::TikZ::Point::Autocoerce'), "creating a $desc from two string croaks";
+}
+
 # Rectangle
 
 my $r = eval {
@@ -136,3 +208,33 @@ eval {
 };
 like $@, qr/isn't a non-negative real number/,
                               'creating a circle with a negative radius croaks';
+
+# Arc
+
+$tikz = Tikz->formatter(
+ format => "%.03f"
+);
+
+my $arc = eval {
+ Tikz->arc(1, i, $o);
+};
+is $@, '', 'creating a simple arc doesn\'t croak';
+
+check $arc, 'simple arc', <<'RES';
+\begin{scope}
+\clip (0.969cm,0.000cm) -- (1.085cm,0.000cm) -- (1.032cm,0.335cm) -- (0.878cm,0.638cm) -- (0.638cm,0.878cm) -- (0.335cm,1.032cm) -- (0.000cm,1.085cm) -- (0.000cm,0.969cm) -- cycle ;
+\draw (0.000cm,0.000cm) circle (1.000cm) ;
+\end{scope}
+RES
+
+eval {
+ Tikz->arc(0, 1);
+};
+my $err = quotemeta 'Tikz->arc($first_point, $second_point, $center)';
+like $@, qr/^$err/, 'creating an arc from only two points croaks';
+
+eval {
+ Tikz->arc(0, 1, i);
+};
+like $@, qr/The two first points aren't on a circle of center the last/,
+         'creating an arc with two points not on a circle of center c croaks';