+
+#test 2
+if( test_card_identification() ){ print "ok 2\n" }else{ print "not ok 2\n" }
+
+sub test_card_identification{
+ #
+ # For the curious the table of test number aren't real credit card
+ # in fact they won't validate but they do obey the rule for the
+ # cardtype table to identify the card type.
+ #
+ my %test_table=(
+ '5212345678901234' => 'MasterCard',
+ '5512345678901234' => 'MasterCard',
+ '4123456789012' => 'VISA card',
+ '4512345678901234' => 'VISA card',
+ '341234567890123' => 'American Express card',
+ '371234567890123' => 'American Express card',
+ '30112345678901' => "Diner's Club/Carte Blanche",
+ '30512345678901' => "Diner's Club/Carte Blanche",
+ '36123456789012' => "Diner's Club/Carte Blanche",
+ '38123456789012' => "Diner's Club/Carte Blanche",
+ '201412345678901' => 'enRoute',
+ '214912345678901' => 'enRoute',
+ '6011123456789012' => 'Discover card',
+ '3123456789012345' => 'JCB',
+ '213112345678901' => 'JCB',
+ '180012345678901' => 'JCB',
+ '1800123456789012' => 'Unknown',
+ '312345678901234' => 'Unknown',
+ );
+ while( my ($k, $v)=each(%test_table) ){
+ if(cardtype($k) ne $v){
+ print "Card $k - should be $v cardtpe returns ",cardtype
+($k),"\n";
+ return;
+ }
+ }
+ return 1;
+}
+