constant.t

source of perl for linux application,

#!/usr/bin/perl -w

use strict;
use Test;

BEGIN
  {
  $| = 1;
  # to locate the testing files
  my $location = $0; $location =~ s/constant.t//i;
  if ($ENV{PERL_CORE})
    {
    # testing with the core distribution
    @INC = qw(../t/lib);
    }
  unshift @INC, qw(../lib);
  if (-d 't')
    {
    chdir 't';
    require File::Spec;
    unshift @INC, File::Spec->catdir(File::Spec->updir, $location);
    }
  else
    {
    unshift @INC, $location;
    }
  print "# INC = @INC\n";

  plan tests => 7;
  if ($] < 5.006)
    {
    for (1..7) { skip (1,'Not supported on older Perls'); }
    exit;
    }
  } 

use Math::BigInt ':constant';

ok (2 ** 255,'57896044618658097711785492504343953926634992332820282019728792003956564819968');

{
  no warnings 'portable';	# protect against "non-portable" warnings
# hexadecimal constants
ok (0x123456789012345678901234567890,
    Math::BigInt->new('0x123456789012345678901234567890'));
# binary constants
ok (0b01010100011001010110110001110011010010010110000101101101,
    Math::BigInt->new(
     '0b01010100011001010110110001110011010010010110000101101101'));
}

use Math::BigFloat ':constant';
ok (1.0 / 3.0, '0.3333333333333333333333333333333333333333');

# stress-test Math::BigFloat->import()

Math::BigFloat->import( qw/:constant/ );
ok (1,1);

Math::BigFloat->import( qw/:constant upgrade Math::BigRat/ );
ok (1,1);

Math::BigFloat->import( qw/upgrade Math::BigRat :constant/ );
ok (1,1);

# all tests done