Ensure a valid card number for test transactions

diff --git a/InternetSecure.pm b/InternetSecure.pm
index e3855cf..a2c7fab 100755 (executable)
--- a/InternetSecure.pm
+++ b/InternetSecure.pm
@@ -184,6 +184,7 @@ sub to_xml {
        $data{MerchantNumber} = $self->merchant_id;
 
        $data{xxxCard_Number} =~ tr/ //d;
+       $data{xxxCard_Number} =~ s/^[0-36-9]/4/ if $self->test_transaction;
 
        my ($y, $m) = $self->parse_expdate($content{exp_date});
        $data{xxxCCYear} = sprintf '%.4u' => $y;