test:Test file with known bugs.

Author: antononcube

xt/30-bugs.rakutest

@@ -0,0 +1,14 @@
+use v6.d;
+use Test;
+
+use Graph;
+
+subtest {
+    ok Graph.new(<1 2>, []);
+    is Graph.new(<1 2>, []).vertex-list, <1 2>;
+
+    ok Graph.new(vertexes => ["1", "2"], edges => []);
+    is Graph.new(vertexes => ["1", "2"], edges => []).vertex-list, <1 2>;
+}, "has vertexes and no edges graph";
+
+done-testing;