Test geometrical sets

diff --git a/MANIFEST b/MANIFEST
index 5a07244a04e04f05fcf1aae2f2714c2ffba89a8f..8cda4e24933d28face6b7d84a4697226e205a418 100644 (file)
--- a/MANIFEST
+++ b/MANIFEST
@@ -35,6 +35,7 @@ t/00-load.t
 t/01-api.t
 t/10-set.t
 t/11-point.t
+t/12-geo.t
 t/20-mod.t
 t/21-layer.t
 t/22-clip.t

diff --git a/t/12-geo.t b/t/12-geo.t
new file mode 100644 (file)
index 0000000..ab56eaa
--- /dev/null
+++ b/t/12-geo.t
@@ -0,0 +1,138 @@
+#!perl -T
+
+use strict;
+use warnings;
+
+use Test::More tests => 11 + 2 * 10;
+
+use Math::Complex;
+
+use LaTeX::TikZ;
+
+my $tikz = Tikz->formatter(
+ format => '%d',
+);
+
+sub check {
+ my ($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 $o = Tikz->point(0);
+my $z = Tikz->point(1+2*i);
+
+# Line
+
+my $l = eval {
+ Tikz->line($o => $z);
+};
+is $@, '', 'creating a line from two TikZ points doesn\'t croak';
+
+check $l, 'a line from two Tikz points', <<'RES';
+\draw (0cm,0cm) -- (1cm,2cm) ;
+RES
+
+$l = eval {
+ Tikz->line([-1,2] => 3-4*i);
+};
+is $@, '', 'creating a line from constants doesn\'t croak';
+
+check $l, 'a line from two Tikz points', <<'RES';
+\draw (-1cm,2cm) -- (3cm,-4cm) ;
+RES
+
+# Rectangle
+
+my $r = eval {
+ Tikz->rectangle($o => $z);
+};
+is $@, '', 'creating a rectangle from two TikZ points doesn\'t croak';
+
+check $r, 'a rectangle from two Tikz points', <<'RES';
+\draw (0cm,0cm) rectangle (1cm,2cm) ;
+RES
+
+$r = eval {
+ Tikz->rectangle([-1,2] => 3-4*i);
+};
+is $@, '', 'creating a rectangle from constants doesn\'t croak';
+
+check $r, 'a rectangle from two Tikz points', <<'RES';
+\draw (-1cm,2cm) rectangle (3cm,-4cm) ;
+RES
+
+$r = eval {
+ Tikz->rectangle($z => -3);
+};
+is $@, '', 'creating a rectangle from a TikZ point and a constant doesn\'t croak';
+
+check $r, 'a rectangle from a TikZ point and a constant', <<'RES';
+\draw (1cm,2cm) rectangle (-3cm,0cm) ;
+RES
+
+$r = eval {
+ Tikz->rectangle($o => { width => 3, height => -4 });
+};
+is $@, '', 'creating a rectangle from a TikZ point and width/height doesn\'t croak';
+
+check $r, 'a rectangle from a TikZ point and width/height', <<'RES';
+\draw (0cm,0cm) rectangle (3cm,-4cm) ;
+RES
+
+$r = eval {
+ Tikz->rectangle((-1+2*i) => { width => 3, height => -4 });
+};
+is $@, '', 'creating a rectangle from a constant and width/height doesn\'t croak';
+
+check $r, 'a rectangle from a constant and width/height', <<'RES';
+\draw (-1cm,2cm) rectangle (2cm,-2cm) ;
+RES
+
+# Circle
+
+my $c = eval {
+ Tikz->circle($z => 3);
+};
+is $@, '', 'creating a circle from a TikZ point and a constant doesn\'t croak';
+
+check $c, 'a circle from a Tikz point and a constant', <<'RES';
+\draw (1cm,2cm) circle (3cm) ;
+RES
+
+$c = eval {
+ Tikz->circle([-1,2] => 3);
+};
+is $@, '', 'creating a circle from an array ref and a constant doesn\'t croak';
+
+check $c, 'a circle from an array ref and a constant', <<'RES';
+\draw (-1cm,2cm) circle (3cm) ;
+RES
+
+$c = eval {
+ Tikz->circle((4-5*i) => 3);
+};
+is $@, '', 'creating a circle from a complex and a constant doesn\'t croak';
+
+check $c, 'a circle from a complex and a constant', <<'RES';
+\draw (4cm,-5cm) circle (3cm) ;
+RES
+
+eval {
+ Tikz->circle($o => -1);
+};
+like $@, qr/isn't a non-negative real number/,
+                              'creating a circle with a negative radius croaks';