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PJACKLAM / Math-BigInt-FastCalc-0.5020 / t / bigintpm.t 

            

              
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# -*- mode: perl; -*-
use strict;
use warnings;
use Test::More tests => 4294            # tests in require'd file
                         + 20;          # tests in this file
use Math::BigInt only => 'FastCalc';
our ($CLASS, $LIB);
$CLASS = "Math::BigInt";
$LIB   = Math::BigInt -> config('lib');         # backend library
my $x;
#############################################################################
# bgcd() as function, class method and instance method.
my $gcd0 = Math::BigInt::bgcd(-12, 18, 27);
isa_ok($gcd0, "Math::BigInt", "bgcd() as function");
is($gcd0, 3, "bgcd() as function");
my $gcd1 = Math::BigInt->bgcd(-12, 18, 27);
isa_ok($gcd1, "Math::BigInt", "bgcd() as class method");
is($gcd1, 3, "bgcd() as class method");
$x = Math::BigInt -> new(-12);
my $gcd2 = $x -> bgcd(18, 27);
isa_ok($gcd2, "Math::BigInt", "bgcd() as instance method");
is($gcd2, 3, "bgcd() as instance method");
is($x, -12, "bgcd() does not modify invocand");
#############################################################################
# blcm() as function, class method and instance method.
my $lcm0 = Math::BigInt::blcm(-12, 18, 27);
isa_ok($lcm0, "Math::BigInt", "blcm() as function");
is($lcm0, 108, "blcm() as function");
my $lcm1 = Math::BigInt->blcm(-12, 18, 27);
isa_ok($lcm1, "Math::BigInt", "blcm() as class method");
is($lcm1, 108, "blcm() as class method");
$x = Math::BigInt -> new(-12);
my $lcm2 = $x -> blcm(18, 27);
isa_ok($lcm2, "Math::BigInt", "blcm() as instance method");
is($lcm2, 108, "blcm() as instance method");
is($x, -12, "blcm() does not modify invocand");
#############################################################################
# from_hex(), from_bin() and from_oct() tests
$x = Math::BigInt->from_hex('0xcafe');
is($x, "51966",
   qq|Math::BigInt->from_hex("0xcafe")|);
$x = Math::BigInt->from_hex('0xcafebabedead');
is($x, "223195403574957",
   qq|Math::BigInt->from_hex("0xcafebabedead")|);
$x = Math::BigInt->from_bin('0b1001');
is($x, "9",
   qq|Math::BigInt->from_bin("0b1001")|);
$x = Math::BigInt->from_bin('0b1001100110011001100110011001');
is($x, "161061273",
   qq|Math::BigInt->from_bin("0b1001100110011001100110011001");|);
$x = Math::BigInt->from_oct('0775');
is($x, "509",
   qq|Math::BigInt->from_oct("0775");|);
$x = Math::BigInt->from_oct('07777777777777711111111222222222');
is($x, "9903520314281112085086151826",
   qq|Math::BigInt->from_oct("07777777777777711111111222222222");|);
#############################################################################
# all the other tests
require './t/bigintpm.inc';       # all tests here for sharing