scope_f.t

来自「source of perl for linux application,」· T 代码 · 共 42 行

#!/usr/bin/perl -w

###############################################################################
# Test "no bignum;" and overloading of hex()/oct() for newer Perls

use Test::More;
use strict;

BEGIN
  {
  $| = 1;
  chdir 't' if -d 't';
  unshift @INC, '../lib';
  plan tests => 10;
  }

# no :hex and :oct means these do not get overloaded for older Perls:
use bignum;

isnt (ref(1), '', 'is in effect');
isnt (ref(2.0), '', 'is in effect');
isnt (ref(0x20), '', 'is in effect');

SKIP: {
  skip ('Need at least Perl v5.9.4', 2) if $] < 5.009004;

  is (ref(hex(9)), 'Math::BigInt', 'hex is overloaded');
  is (ref(oct(07)), 'Math::BigInt', 'oct is overloaded');
  }

{
  no bignum;

  is (ref(1), '', 'is not in effect');
  is (ref(2.0), '', 'is not in effect');
  is (ref(0x20), '', 'is not in effect');

  isnt (ref(hex(9)), 'Math::BigInt', 'hex is not overloaded');
  isnt (ref(oct(07)), 'Math::BigInt', 'oct is not overloaded');
}