$title 'tests for $if declared and defined' (IFSTAT7,SEQ=331)

$onText
This test for a stupid mistake by AM to require
the symbol to exist before we test for defined

Contributor: Alex Meeraus
$offText


scalar yyy, zzz / 123 /, www; www=1;

$onDollar
$if     declared xxx $abort symbol is not declared
$if NOT declared yyy $abort symbol is declared
$if NOT declared zzz $abort symbol is declared
$if NOT declared www $abort symbol is declared

$if     defined xxx $abort symbol not defined
$if     defined yyy $abort symbol not defined
$if NOT defined zzz $abort symbol is defined
$if NOT defined www $abort symbol is defined