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Versions: 63
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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