Add test for polyline lines

xs/src/Line.hpp

@@ -110,19 +110,6 @@ Line::to_SV_pureperl() {
     return newRV_noinc((SV*)av);
 }
 
-SV*
-lines2perl(pTHX_ Lines& lines)
-{
-    AV* av = newAV();
-    av_extend(av, lines.size()-1);
-    int i = 0;
-    for (Lines::iterator it = lines.begin(); it != lines.end(); ++it) {
-        SV* sv = (*it).to_SV_ref();
-        av_store(av, i++, sv);
-    }
-    return (SV*)newRV_noinc((SV*)av);
-}
-
 }
 
 #endif

xs/t/09_polyline.t

@@ -0,0 +1,27 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+use Slic3r::XS;
+use Test::More tests => 4;
+
+my $points = [
+    [100, 100],
+    [200, 100],
+    [200, 200],
+];
+
+my $polyline = Slic3r::Polyline->new(@$points);
+is_deeply $polyline->pp, $points, 'polyline roundtrip';
+
+is ref($polyline->arrayref), 'ARRAY', 'polyline arrayref is unblessed';
+isa_ok $polyline->[0], 'Slic3r::Point', 'polyline point is blessed';
+
+my $lines = $polyline->lines;
+is_deeply [ map $_->pp, @$lines ], [
+    [ [100, 100], [200, 100] ],
+    [ [200, 100], [200, 200] ],
+], 'polyline lines';
+
+__END__

xs/xsp/my.map

@@ -15,15 +15,16 @@ ExtrusionRole     T_UV
 SurfaceType     T_UV
 
 Lines           T_LINES
-Lines*          T_LINES_PTR
 
 INPUT
 
 OUTPUT
 
 T_LINES
-	$arg = lines2perl(aTHX_ $var);
-
-T_LINES_PTR
-	$arg = lines2perl(aTHX_ *$var);
-	delete $var;
+	AV* av = newAV();
+	$arg = newRV_noinc((SV*)av);
+	const unsigned int len = $var.size();
+	av_extend(av, len-1);
+	for (unsigned int i = 0; i < len; i++) {
+	  av_store(av, i, ${var}[i].to_SV_ref());
+	}