Forgot to update the MANIFEST.

[p5sagit/p5-mst-13.2.git] / lib / Math / BigInt / t / bigints.t

#!/usr/bin/perl -w

use strict;
use Test;

BEGIN 
  {
  $| = 1;
  # to locate the testing files
  my $location = $0; $location =~ s/bigints.t//i;
  if ($ENV{PERL_CORE})
    {
    @INC = qw(../t/lib);                # testing with the core distribution
    }
  unshift @INC, '../lib';       # for testing manually
  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 => 51;
  }

# testing of Math::BigInt::BitVect, primarily for interface/api and not for the
# math functionality

use Math::BigInt::Scalar;

my $C = 'Math::BigInt::Scalar';	# pass classname to sub's

# _new and _str
my $x = $C->_new(\"123"); my $y = $C->_new(\"321");
ok (ref($x),'SCALAR'); ok (${$C->_str($x)},123); ok (${$C->_str($y)},321);

# _add, _sub, _mul, _div

ok (${$C->_str($C->_add($x,$y))},444);
ok (${$C->_str($C->_sub($x,$y))},123);
ok (${$C->_str($C->_mul($x,$y))},39483);
ok (${$C->_str($C->_div($x,$y))},123);

ok (${$C->_str($C->_mul($x,$y))},39483);
ok (${$C->_str($x)},39483);
ok (${$C->_str($y)},321);
my $z = $C->_new(\"2");
ok (${$C->_str($C->_add($x,$z))},39485);
my ($re,$rr) = $C->_div($x,$y);

ok (${$C->_str($re)},123); ok (${$C->_str($rr)},2);

# is_zero, _is_one, _one, _zero
ok ($C->_is_zero($x),0);
ok ($C->_is_one($x),0);

ok ($C->_is_one($C->_one()),1); ok ($C->_is_one($C->_zero()),0);
ok ($C->_is_zero($C->_zero()),1); ok ($C->_is_zero($C->_one()),0);

# is_odd, is_even
ok ($C->_is_odd($C->_one()),1); ok ($C->_is_odd($C->_zero()),0);
ok ($C->_is_even($C->_one()),0); ok ($C->_is_even($C->_zero()),1);

# _digit
$x = $C->_new(\"123456789");
ok ($C->_digit($x,0),9);
ok ($C->_digit($x,1),8);
ok ($C->_digit($x,2),7);
ok ($C->_digit($x,-1),1);
ok ($C->_digit($x,-2),2);
ok ($C->_digit($x,-3),3);

# _copy
$x = $C->_new(\"12356");
ok (${$C->_str($C->_copy($x))},12356);

# _acmp
$x = $C->_new(\"123456789");
$y = $C->_new(\"987654321");
ok ($C->_acmp($x,$y),-1);
ok ($C->_acmp($y,$x),1);
ok ($C->_acmp($x,$x),0);
ok ($C->_acmp($y,$y),0);

# _div
$x = $C->_new(\"3333"); $y = $C->_new(\"1111");
ok (${$C->_str( scalar $C->_div($x,$y))},3);
$x = $C->_new(\"33333"); $y = $C->_new(\"1111"); ($x,$y) = $C->_div($x,$y);
ok (${$C->_str($x)},30); ok (${$C->_str($y)},3);
$x = $C->_new(\"123"); $y = $C->_new(\"1111"); 
($x,$y) = $C->_div($x,$y); ok (${$C->_str($x)},0); ok (${$C->_str($y)},123);

# _num
$x = $C->_new(\"12345"); $x = $C->_num($x); ok (ref($x)||'',''); ok ($x,12345);

# _len
$x = $C->_new(\"12345"); $x = $C->_len($x); ok (ref($x)||'',''); ok ($x,5);

# _and, _or, _xor
$x = $C->_new(\"3"); $y = $C->_new(\"4"); ok (${$C->_str( $C->_or($x,$y))},7);
$x = $C->_new(\"1"); $y = $C->_new(\"4"); ok (${$C->_str( $C->_xor($x,$y))},5);
$x = $C->_new(\"7"); $y = $C->_new(\"3"); ok (${$C->_str( $C->_and($x,$y))},3);

# _pow
$x = $C->_new(\"2"); $y = $C->_new(\"4"); ok (${$C->_str( $C->_pow($x,$y))},16);
$x = $C->_new(\"2"); $y = $C->_new(\"5"); ok (${$C->_str( $C->_pow($x,$y))},32);
$x = $C->_new(\"3"); $y = $C->_new(\"3"); ok (${$C->_str( $C->_pow($x,$y))},27);


# should not happen:
# $x = $C->_new(\"-2"); $y = $C->_new(\"4"); ok ($C->_acmp($x,$y),-1);

# _check
$x = $C->_new(\"123456789");
ok ($C->_check($x),0);
ok ($C->_check(123),'123 is not a reference');

# done

1;