-#!perl
+# -*- mode: perl; -*-
use strict;
use warnings;
-use Test::More tests => 4;
-use Math::BigRat;
+use Test::More tests => 8;
+
+my $class;
+
+BEGIN { $class = 'Math::BigRat'; }
+BEGIN { use_ok($class); }
use Scalar::Util qw< refaddr >;
# CPAN RT #132712.
-my $q1 = Math::BigRat -> new("-1/2");
+my $q1 = $class -> new("-1/2");
my ($n, $d) = $q1 -> parts();
my $n_orig = $n -> copy();
my $d_orig = $d -> copy();
-my $q2 = Math::BigRat -> new($n, $d);
+my $q2 = $class -> new($n, $d);
cmp_ok($n, "==", $n_orig,
"The value of the numerator hasn't changed");
"The addresses of the numerators have changed");
isnt(refaddr($d), refaddr($d_orig),
"The addresses of the denominators have changed");
+
+# new()
+
+{
+ my $x = $class -> new();
+ subtest qq|\$x = $class -> new();|, => sub {
+ plan tests => 2;
+
+ is(ref($x), $class, "output arg is a $class");
+ is($x, "0", 'output arg has the right value');
+ };
+}
+
+# new("")
+
+{
+ my $x = $class -> new("");
+ subtest qq|\$x = $class -> new("");|, => sub {
+ plan tests => 2;
+
+ is(ref($x), $class, "output arg is a $class");
+ is($x, "NaN", 'output arg has the right value');
+ };
+}
+
+# new(undef)
+
+{
+ my $x = $class -> new(undef);
+ subtest qq|\$x = $class -> new(undef);|, => sub {
+ plan tests => 2;
+
+ is(ref($x), $class, "output arg is a $class");
+ is($x, "0", 'output arg has the right value');
+ };
+}