xref: /openbsd/gnu/usr.bin/perl/cpan/Math-BigInt/t/new_overloaded.t (revision eac174f2)

# -*- mode: perl; -*-

# Math::BigFloat->new had a bug where it would assume any object is a
# Math::BigInt which broke overloaded non-Math::BigInt objects.

use strict;
use warnings;

use Test::More tests => 4;

##############################################################################

package Overloaded::Num;

use overload
  '0+'     => sub { ${$_[0]} },
  fallback => 1;

sub new {
    my ($class, $num) = @_;
    return bless \$num, $class;
}

package main;

use Math::BigFloat;

my $overloaded_num = Overloaded::Num->new(2.23);
is($overloaded_num, 2.23, 'Overloaded::Num->new(2.23)');

my $bigfloat = Math::BigFloat->new($overloaded_num);
is($bigfloat, 2.23, 'Math::BigFloat->new() accepts overloaded numbers');

my $bigint = Math::BigInt->new(Overloaded::Num->new(3));
is($bigint, 3, 'Math::BigInt->new() accepts overloaded numbers');

is(Math::BigFloat->new($bigint), 3,
   'Math::BigFloat->new() accepts a Math::BigInt');