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largest-series-product corner cases #106

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Jan 29, 2016
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largest-series-product corner cases #106

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2f7752b
largest-series-product: Test all combinations of corner cases
petertseng Jan 23, 2016
d27bc46
largest-series-product: Add cases where all spans contain a 0
petertseng Jan 23, 2016
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7 changes: 6 additions & 1 deletion largest-series-product/series_product.t
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Expand Up @@ -28,4 +28,9 @@ 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('')->largest_product(0), 1, "test identity";
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";