1 files changed, 49 insertions, 0 deletions
diff --git a/t/03-day3.t b/t/03-day3.t
new file mode 100644
index 0000000..0d7c516
--- /dev/null
+++ b/t/03-day3.t
@@ -0,0 +1,49 @@
+use v6.d;
+use Test;
+use AdventOfCode::Utils;
+
+#plan 2;
+
+subtest "Point", {
+    ok Point.new, 'Default Point creation';
+    is Point.new.x, 0, 'Default x';
+    is Point.new.y, 0, 'Default y';
+    ok Point.new(:1x, :2y), 'Point creation';
+}
+
+subtest "Line", {
+    my $point1 = Point.new;
+    my $point2 = Point.new;
+
+    ok Line.new($point1, $point2), 'without named parameters';
+    ok Line.new(:$point1, :$point2), 'with named parameters';
+}
+
+subtest "Wire", {
+    ok Wire.new("R1");
+    my $wire = Wire.new("R1");
+
+    is $wire.points.elems, 1, 'wire has one point';
+    isa-ok $wire.points.head, Point, 'Elements are points';
+    my $point = $wire.points.head;
+
+    is $point.x, 1, "First wire point x {$point}";
+    is $point.y, 0, 'First wire point y {$point}';
+
+    subtest "intersection", {
+        my $line1 = Line.new(
+            :p(Point.new(:4x, :0y)),
+            :q(Point.new(:6x, :10y))
+        );
+        my $line2 = Line.new(
+            :p(Point.new(:0x, :3y)),
+            :q(Point.new(:10x, :7y))
+        );
+
+        my $intersection = intersection($line1, $line2);
+
+        is $intersection.x, 5, 'intersection x';
+        is $intersection.y, 5, 'intersection y';
+    }
+}
+done-testing;