1 files changed, 23 insertions, 2 deletions
diff --git a/t/07-class-xpath.t b/t/07-class-xpath.t
index 891ddff..9aa8040 100644
--- a/t/07-class-xpath.t
+++ b/t/07-class-xpath.t
@@ -13,6 +13,10 @@ sub findnodes {
     my ($self,$expr,$node)=@_;
     return PPIx::XPath->new($node)->match($expr);
 }
+
+sub PPI::Document::parent {
+    return $_[0];
+}
 }
 
 package PPITransform;{
@@ -22,9 +26,17 @@ package PPITransform;{
 
  engine_class 'CXpEngine';
 
- default_rules;
+ #default_rules;
+ tree_rule match => '/', priority => 0, action => sub {
+     print '# root';
+     $_[0]->apply_rules
+ };
+ tree_rule match => '*', priority => 0, action => sub {
+     print '# ',$_[0]->it->xpath;
+     $_[0]->apply_rules
+ };
 
- tree_rule match => '//Statement::Sub', action => sub {
+ tree_rule match => 'Statement::Sub', action => sub {
      return $_[0]->it->name.'('.$_[0]->it->prototype.')';
  };
 
@@ -34,6 +46,8 @@ package main;
 use strict;
 use warnings;
 use PPI;
+use Devel::TraceCalls;
+
 plan tests=>1;
 
 {
@@ -48,6 +62,13 @@ my $x=PPIx::XPath->new($doc);
 diag "$_\n" for $x->match('//Statement::Sub');
 
 my $trans=PPITransform->new();
+#trace_calls {
+# Package => 'PPIx::XPath',
+# Class => 'PPI::Node',
+# ShowStack => 1,
+# CaptureAll => 1,
+#};
+
 my @results=$trans->transform($doc);
 is_deeply \@results,['gino($%)','pino'],'PPI example';
 }