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PJACKLAM / Math-BigInt-2.005003 / xt / author / babs-mbf.t 

            

              
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# -*- mode: perl; -*-
use strict;
use warnings;
use Test::More tests => 6;
use Scalar::Util qw< refaddr >;
use Math::BigInt;
use Math::BigFloat;
my ($x, $y);
note("Testing Math::BigFloat->babs() without downgrading and upgrading");
note("babs() as a class method");
$x = Math::BigFloat -> babs("-2.5");
subtest '$x = Math::BigFloat -> babs("-2.5");' => sub {
    plan tests => 2;
    is(ref($x), 'Math::BigFloat', '$x is a Math::BigFloat');
    cmp_ok($x, "==", 2.5, '$x == 2.5');
};
note("babs() as an instance method");
$x = Math::BigFloat -> new("-2.5"); $y = $x -> babs();
subtest '$x = Math::BigFloat -> new("-2.5"); $y = $x -> babs();' => sub {
    plan tests => 4;
    is(ref($x), 'Math::BigFloat', '$x is a Math::BigFloat');
    is(ref($y), 'Math::BigFloat', '$y is a Math::BigFloat');
    is(refaddr($x), refaddr($y), '$x and $y are the same object');
    cmp_ok($x, "==", 2.5, '$x == 2.5');
};
note("babs() as a function");
SKIP: {
    skip "Math::BigFloat::babs() is a method, not a function", 1;
    $x = Math::BigFloat::babs("-2.5");
    subtest '$x = Math::BigFloat::babs("-2.5");' => sub {
        plan tests => 2;
        is(ref($x), 'Math::BigFloat', '$x is a Math::BigFloat');
        cmp_ok($x, "==", 2.5, '$x == 2.5');
    };
}
note("Testing Math::BigFloat->babs() with downgrading and upgrading");
Math::BigInt -> upgrade("Math::BigFloat");
Math::BigFloat -> downgrade("Math::BigInt");
note("babs() as a class method");
$x = Math::BigFloat -> babs("-2.5");
subtest '$x = Math::BigFloat -> babs("-2.5");' => sub {
    plan tests => 2;
    is(ref($x), 'Math::BigFloat', '$x is a Math::BigFloat');
    cmp_ok($x, "==", 2.5, '$x == 2.5');
};
note("babs() as an instance method");
$x = Math::BigFloat -> new("-2.5"); $y = $x -> babs();
subtest '$x = Math::BigFloat -> new("-2.5"); $y = $x -> babs();' => sub {
    plan tests => 4;
    is(ref($x), 'Math::BigFloat', '$x is a Math::BigFloat');
    is(ref($y), 'Math::BigFloat', '$y is a Math::BigFloat');
    is(refaddr($x), refaddr($y), '$x and $y are the same object');
    cmp_ok($x, "==", 2.5, '$x == 2.5');
};
note("babs() as a function");
SKIP: {
    skip "Math::BigFloat::babs() is a method, not a function", 1;
    $x = Math::BigFloat::babs("-2.5");
    subtest '$x = Math::BigFloat::babs("-2.5");' => sub {
        plan tests => 2;
        is(ref($x), 'Math::BigFloat', '$x is a Math::BigFloat');
        cmp_ok($x, "==", 2.5, '$x == 2.5');
    };
}