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    CORE::bless( $_[0], (@_ > 1) ? $_[1] : caller() );
  };
  *CORE::GLOBAL::bless = sub { goto $bless_override };
}

use strict;
use warnings;
use Test::More;

use lib qw(t/lib);
use DBICTest::RunMode;
use DBICTest::Util::LeakTracer qw(populate_weakregistry assert_empty_weakregistry visit_refs);
use Scalar::Util qw(weaken blessed reftype);
use DBIx::Class::_Util qw(hrefaddr sigwarn_silencer modver_gt_or_eq modver_gt_or_eq_and_lt);
BEGIN {
  plan skip_all => "Your perl version $] appears to leak like a sieve - skipping test"
    if DBIx::Class::_ENV_::PEEPEENESS;
}


my $TB = Test::More->builder;
if ($ENV{DBICTEST_IN_PERSISTENT_ENV}) {
  # without this explicit close TB warns in END after a ->reset
  close ($TB->$_) for qw(output failure_output todo_output);

  # newer TB does not auto-reopen handles
  if ( modver_gt_or_eq( 'Test::More', '1.200' ) ) {
    open ($TB->$_, '>&', *STDERR)
      for qw( failure_output todo_output );
    open ($TB->output, '>&', *STDOUT);
  }

  # so done_testing can work on every persistent pass
  $TB->reset;
}

# this is what holds all weakened refs to be checked for leakage
my $weak_registry = {};

# whether or to invoke IC::DT
my $has_dt;

# Skip the heavy-duty leak tracing when just doing an install
unless (DBICTest::RunMode->is_plain) {

  # redefine the bless override so that we can catch each and every object created
  no warnings qw/redefine once/;
  no strict qw/refs/;

  $bless_override = sub {

    my $obj = CORE::bless(
      $_[0], (@_ > 1) ? $_[1] : do {
        my ($class, $fn, $line) = caller();
        fail ("bless() of $_[0] into $class without explicit class specification at $fn line $line")
          if $class =~ /^ (?: DBIx\:\:Class | DBICTest ) /x;
        $class;
      }
    );

    # unicode is tricky, and now we happen to invoke it early via a
    # regex in connection()
    return $obj if (ref $obj) =~ /^utf8/;

    # Test Builder is now making a new object for every pass/fail (que bloat?)
    # and as such we can't really store any of its objects (since it will
    # re-populate the registry while checking it, ewwww!)
    return $obj if (ref $obj) =~ /^TB2::|^Test::Stream/;

    # populate immediately to avoid weird side effects
    return populate_weakregistry ($weak_registry, $obj );
  };

  require Try::Tiny;
  for my $func (qw/try catch finally/) {
    my $orig = \&{"Try::Tiny::$func"};
    *{"Try::Tiny::$func"} = sub (&;@) {
      populate_weakregistry( $weak_registry, $_[0] );
      goto $orig;
    }
  }

  # Some modules are known to install singletons on-load
  # Load them and empty the registry

  # this loads the DT armada
  $has_dt = DBIx::Class::Optional::Dependencies->req_ok_for('test_dt_sqlite');

  require Errno;
  require DBI;
  require DBD::SQLite;
  require FileHandle;
  require Moo;

  %$weak_registry = ();
}

{
  use_ok ('DBICTest');

  my $schema = DBICTest->init_schema;
  my $rs = $schema->resultset ('Artist');
  my $storage = $schema->storage;

  ok ($storage->connected, 'we are connected');

  my $row_obj = $rs->search({}, { rows => 1})->next;  # so that commits/rollbacks work
  ok ($row_obj, 'row from db');

  # txn_do to invoke more codepaths
  my ($mc_row_obj, $pager, $pager_explicit_count) = $schema->txn_do (sub {

    my $artist = $schema->resultset('Artist')->create ({
      name => 'foo artist',
      cds => [{
        title => 'foo cd',
        year => 1984,
        tracks => [
          { title => 't1' },
          { title => 't2' },
        ],