# OLE Variant memory test
use strict;
use Win32::OLE::Variant;

for my $i ( 0 .. 10000 ) # Do many times so we have a lot of memory allocations
{
  my $v = Win32::OLE::Variant->new(VT_ARRAY|VT_BSTR, [1,1000]);
  $v->Put(1, "foo");
  # Do something here to make $vr a separate variant that points to the data in $v
  # my $vr = Win32::OLE::Variant->new(VT_ARRAY|VT_BSTR|VT_BYREF, $v); <-- LEAK in ver 0.1712
  # With version 0.1714, we never make a Variant with VT_BYREF explicitly.
  #   Instead we make a variant without the VT_BYREF flag, then call ByRef()
  #   on it to return a reference.
  my $vr = $v->ByRef(); 
  DoStuff( $vr ); # modify and see if $v has changed
  if ( $i == 0 )
  {
  	# next line should print:  0x2008, bar 1; 0x6008, bar 1
  	printf "0x%04x, %s; 0x%04x, %s\n", $v->_RefType(), $v->Get(1), $vr->_RefType(), $vr->Get(1);
  	printf "0x%04x, %s; 0x%04x, %s\n", $v->_RefType(), $v->Get(2), $vr->_RefType(), $vr->Get(2);
  }
  undef $v;
}  # while this loop is running, check the Task Mangler for memory usage

print STDERR "Done.\n";

sub DoStuff
{
  my $refVar = shift;
  for my $i ( 1 .. 1000 )
  {
    $refVar->Put($i, "bar $i");
  }
}