Contents

#!/usr/bin/env perl
use strict;
use warnings;

use Test::More;
use Test::Exception;
use FindBin;
my $dir;
BEGIN { $dir = $FindBin::Bin . '/' };
use lib $dir;

my $module = 'Series';

plan tests => 14;

ok -e "${dir}${module}.pm", "Missing $module.pm"  or BAIL_OUT "You need to create file: $module.pm";

eval "use $module";
ok !$@, "Cannot load $module" or BAIL_OUT "Cannot load $module. Does it compile? Does it end with 1;?";
can_ok $module, "new"    or BAIL_OUT "Missing package $module, or missing sub new()";
can_ok $module, "largest_product" or BAIL_OUT "Missing package $module, or missing sub largest_product()";

throws_ok { $module->new('012')->largest_product(4) } qr/ArgumentError/, "slice length longer than digits length throws exception (largest_product)";

is $module->new('0123456789')->largest_product(2), 72, "largest product of 2";
is $module->new('19')->largest_product(2), 9, "largest product of 2 on a tiny number";
is $module->new('1027839564')->largest_product(3), 270, "largest product of 3";
is $module->new('52677741234314237566414902593461595376319419139427')->largest_product(6), 28350, "largest product of 6";
is $module->new('0000')->largest_product(2), 0, "test string containing only zeroes";
is $module->new('99099')->largest_product(3), 0, "test string where all products are zero";
is $module->new('')->largest_product(0), 1, "test identity with empty string";
is $module->new('123')->largest_product(0), 1, "test identity with non-empty string";

throws_ok { $module->new('')->largest_product(1) } qr/ArgumentError/, "non-zero slice length with empty string throws exception";

Version data entries

63 entries across 63 versions & 1 rubygems

Version	Path
trackler-2.2.1.119	tracks/perl5/exercises/largest-series-product/series_product.t
trackler-2.2.1.118	tracks/perl5/exercises/largest-series-product/series_product.t
trackler-2.2.1.117	tracks/perl5/exercises/largest-series-product/series_product.t