1#!./perl 2 3use strict; 4use warnings; 5 6$|=1; 7use Scalar::Util (); 8use Test::More (grep { /isvstring/ } @Scalar::Util::EXPORT_FAIL) 9 ? (skip_all => 'isvstring is not supported on this perl version') 10 : (tests => 3); 11 12use Scalar::Util qw(isvstring); 13 14my $vs = ord("A") == 193 ? 241.75.240 : 49.46.48; 15 16ok( $vs == "1.0", 'dotted num'); 17ok( isvstring($vs), 'isvstring'); 18 19my $sv = "1.0"; 20ok( !isvstring($sv), 'not isvstring'); 21 22 23 24