Bless the op info object into the right class (stealing the logic from B)

[perl/modules/Variable-Magic.git] / t / 14-callbacks.t

diff --git a/t/14-callbacks.t b/t/14-callbacks.t
index f3e33352b1c8b7d71fa5b7abb06e3ff0fbb779e1..1f2c2de6c62a64b65ce3a2842f573000cc9a7158 100644 (file)
--- a/t/14-callbacks.t
+++ b/t/14-callbacks.t
@@ -3,9 +3,9 @@
 use strict;
 use warnings;
 
-use Test::More tests => 7;
+use Test::More tests => 12 + (2 * 5 + 2 * 6 + 2 * 5);
 
-use Variable::Magic qw/wizard cast/;
+use Variable::Magic qw/wizard cast dispell VMG_OP_INFO_NAME VMG_OP_INFO_OBJECT/;
 
 my $wiz = eval { wizard get => sub { undef } };
 is($@, '',             'wizard creation doesn\'t croak');
@@ -26,3 +26,79 @@ eval {
 };
 is($@, '', 'callback returning undef doesn\'t warn/croak');
 is($x, $n, 'callback returning undef fails');
+
+my @callers;
+$wiz = wizard get => sub {
+ my @c;
+ my $i = 0;
+ while (@c = caller $i++) {
+  push @callers, [ @c[0, 1, 2] ];
+ }
+};
+
+my $b;
+cast $b, $wiz;
+
+my $u = $b;
+is_deeply(\@callers, [
+ [ 'main', $0, __LINE__-2 ],
+], 'caller into callback returns the right thing');
+
+@callers = ();
+$u = $b;
+is_deeply(\@callers, [
+ [ 'main', $0, __LINE__-2 ],
+], 'caller into callback returns the right thing (second time)');
+
+{
+ @callers = ();
+ my $u = $b;
+ is_deeply(\@callers, [
+  [ 'main', $0, __LINE__-2 ],
+ ], 'caller into callback into block returns the right thing');
+}
+
+@callers = ();
+eval { my $u = $b };
+is($@, '', 'caller into callback doesn\'t croak');
+is_deeply(\@callers, [
+ ([ 'main', $0, __LINE__-3 ]) x 2,
+], 'caller into callback into eval returns the right thing');
+
+for ([ 'get', '$c', [ 'sassign', 'B::BINOP' ] ],
+     [ 'len', '@c', [ 'padav',   'B::OP'    ] ]) {
+ my ($key, $var, $exp) = @$_;
+
+ for my $op_info (VMG_OP_INFO_NAME, VMG_OP_INFO_OBJECT, 3) {
+  my ($c, @c);
+
+  # We must test for the $op correctness inside the callback because, if we
+  # bring it out, it will go outside of the eval STRING scope, and what it
+  # points to will no longer exist.
+  eval {
+   $wiz = wizard $key => sub {
+    my $op = $_[-1];
+    my $desc = "$key magic with op_info == $op_info";
+    if ($op_info == 1) {
+     is $op, $exp->[0], "$desc gets the right op info";
+    } elsif ($op_info == 2) {
+     isa_ok $op, $exp->[1], $desc;
+     is $op->name, $exp->[0], "$desc gets the right op info";
+    } else {
+     is $op, undef, "$desc gets the right op info";
+    }
+    ()
+   }, op_info => $op_info
+  };
+  is $@, '', "$key wizard with op_info == $op_info doesn't croak";
+
+  eval "cast $var, \$wiz";
+  is $@, '', "$key cast with op_info == $op_info doesn't croak";
+
+  eval "my \$x = $var";
+  is $@, '', "$key magic with op_info == $op_info doesn't croak";
+
+  eval "dispell $var, \$wiz";
+  is $@, '', "$key dispell with op_info == $op_info doesn't croak";
+ }
+}