def test_euler_big_number(self):
self.assertEqual(
largest_product(
"7316717653133062491922511967442657474235534919493496983520312774506326239578318016984801869478851843858615607891129494954595017379583319528532088055111254069874715852386305071569329096329522744304355766896648950445244523161731856403098711121722383113622298934233803081353362766142828064444866452387493035890729629049156044077239071381051585930796086670172427121883998797908792274921901699720888093776657273330010533678812202354218097512545405947522435258490771167055601360483958644670632441572215539753697817977846174064955149290862569321978468622482839722413756570560574902614079729686524145351004748216637048440319989000889524345065854122758866688116427171479924442928230863465674813919123162824586178664583591245665294765456828489128831426076900422421902267105562632111110937054421750694165896040807198403850962455444362981230987879927244284909188845801561660979191338754992005240636899125607176060588611646710940507754100225698315520005593572972571636269561882670428252483600823257530420752963450",
13,
),
23514624000,
)
def test_project_euler_big_number(self):
series = (
"731671765313306249192251196744265747423553491949349698352031277450632623957"
"831801698480186947885184385861560789112949495459501737958331952853208805511"
"125406987471585238630507156932909632952274430435576689664895044524452316173"
"185640309871112172238311362229893423380308135336276614282806444486645238749"
"303589072962904915604407723907138105158593079608667017242712188399879790879"
"227492190169972088809377665727333001053367881220235421809751254540594752243"
"525849077116705560136048395864467063244157221553975369781797784617406495514"
"929086256932197846862248283972241375657056057490261407972968652414535100474"
"821663704844031998900088952434506585412275886668811642717147992444292823086"
"346567481391912316282458617866458359124566529476545682848912883142607690042"
"242190226710556263211111093705442175069416589604080719840385096245544436298"
"123098787992724428490918884580156166097919133875499200524063689912560717606"
"058861164671094050775410022569831552000559357297257163626956188267042825248"
"3600823257530420752963450"
)
self.assertEqual(23514624000, largest_product(series, 13))
def test__largest_product_span_equals_length(self):
self.assertEqual(18, largest_product("29", 2))
def test_reports_1_for_nonempty_string_and_empty_product_0_span(self):
self.assertEqual(largest_product("123", 0), 1)
def test_can_get_the_largest_product_of_a_big_number(self):
self.assertEqual(
largest_product(
"73167176531330624919225119674426574742355349194934", 6),
23520)
def test_finds_the_largest_product_if_span_equals_length(self):
self.assertEqual(largest_product("29", 2), 18)
def test_reports_1_for_nonempty_string_and_empty_product_0_span(self):
self.assertEqual(largest_product("123", 0), 1)
def test_can_get_the_largest_product_of_a_big_number(self):
self.assertEqual(
largest_product(
"73167176531330624919225119674426574742355349194934", 6),
23520)
def test_finds_the_largest_product_if_span_equals_length(self):
self.assertEqual(largest_product("29", 2), 18)
def test_identity_with_nonempty_string(self):
self.assertEqual(1, largest_product("123", 0))
def test_all_spans_contain_zero(self):
self.assertEqual(0, largest_product("99099", 3))
def test_all_digits_zero(self):
self.assertEqual(0, largest_product("0000", 2))
def test_big_number(self):
series = "73167176531330624919225119674426574742355349194934"
self.assertEqual(23520, largest_product(series, 6))
def test_largest_product_of_5(self):
self.assertEqual(15120, largest_product("0123456789", 5))
def test_largest_product_of_3(self):
self.assertEqual(504, largest_product("0123456789", 3))
def test_nonzero_span_and_empty_string(self):
with self.assertRaises(ValueError):
largest_product("", 1)
def test_negative_span(self):
with self.assertRaises(ValueError):
largest_product("12345", -1)
def test_span_long_than_number(self):
with self.assertRaises(ValueError):
largest_product("123", 4)
def test_can_find_the_largest_product_of_3(self):
self.assertEqual(largest_product("1027839564", 3), 270)
def test_nonzero_span_and_empty_string(self):
with self.assertRaises(ValueError):
largest_product("", 1)
def test_reports_zero_if_all_spans_include_zero(self):
self.assertEqual(largest_product("99099", 3), 0)
def test_digits_with_invalid_character(self):
with self.assertRaises(ValueError):
largest_product("1234a5", 2)
def test_rejects_invalid_character_in_digits(self):
with self.assertRaisesWithMessage(ValueError):
largest_product("1234a5", 2)
def test_negative_span(self):
with self.assertRaises(ValueError):
largest_product("12345", -1)
def test_can_find_the_largest_product_of_3(self):
self.assertEqual(largest_product("1027839564", 3), 270)
def test_largest_product_of_2(self):
self.assertEqual(72, largest_product("0123456789", 2))
def test_reports_zero_if_all_spans_include_zero(self):
self.assertEqual(largest_product("99099", 3), 0)
def test_tiny_number(self):
self.assertEqual(9, largest_product("19", 2))
def test_rejects_invalid_character_in_digits(self):
with self.assertRaisesWithMessage(ValueError):
largest_product("1234a5", 2)
def test_largest_product_of_3(self):
self.assertEqual(270, largest_product("1027839564", 3))
def test_span_long_than_number(self):
with self.assertRaises(ValueError):
largest_product("123", 4)
def test_big_number(self):
series = "52677741234314237566414902593461595376319419139427"
self.assertEqual(28350, largest_product(series, 6))
def test_digits_with_invalid_character(self):
with self.assertRaises(ValueError):
largest_product("1234a5", 2)
def test_identity(self):
self.assertEqual(1, largest_product("", 0))
def test_slices_bigger_than_number(self):
with self.assertRaises(ValueError):
largest_product("012", 4)
def test_identity_with_empty_string(self):
self.assertEqual(largest_product("", 0), 1)
def test_can_find_the_largest_product_of_2(self):
self.assertEqual(largest_product("576802143", 2), 48)
def test_largest_product_of_2(self):
self.assertEqual(72, largest_product("0123456789", 2))
def test_can_find_the_largest_product_of_5_with_numbers_in_order(self):
self.assertEqual(largest_product("0123456789", 5), 15120)
def test_largest_product_of_2_unordered(self):
self.assertEqual(48, largest_product("576802143", 2))
def test_reports_zero_if_the_only_digits_are_zero(self):
self.assertEqual(largest_product("0000", 2), 0)
def test__largest_product_span_equals_length(self):
self.assertEqual(18, largest_product("29", 2))
def test_rejects_span_longer_than_string_length(self):
with self.assertRaisesWithMessage(ValueError):
largest_product("123", 4)
def test_largest_product_of_3(self):
self.assertEqual(504, largest_product("0123456789", 3))
def test_rejects_empty_string_and_nonzero_span(self):
with self.assertRaisesWithMessage(ValueError):
largest_product("", 1)
def test_largest_product_of_3_unordered(self):
self.assertEqual(270, largest_product("1027839564", 3))
def test_rejects_negative_span(self):
with self.assertRaisesWithMessage(ValueError):
largest_product("12345", -1)
def test_largest_product_of_5(self):
self.assertEqual(15120, largest_product("0123456789", 5))
def test_can_find_the_largest_product_of_2(self):
self.assertEqual(largest_product("576802143", 2), 48)
def test_big_number(self):
series = "73167176531330624919225119674426574742355349194934"
self.assertEqual(23520, largest_product(series, 6))
def test_can_find_the_largest_product_of_5_with_numbers_in_order(self):
self.assertEqual(largest_product("0123456789", 5), 15120)
def test_another_big_number(self):
series = "52677741234314237566414902593461595376319419139427"
self.assertEqual(28350, largest_product(series, 6))
def test_reports_zero_if_the_only_digits_are_zero(self):
self.assertEqual(largest_product("0000", 2), 0)
def test_all_digits_zero(self):
self.assertEqual(0, largest_product("0000", 2))
def test_rejects_span_longer_than_string_length(self):
with self.assertRaisesWithMessage(ValueError):
largest_product("123", 4)
def test_all_spans_contain_zero(self):
self.assertEqual(0, largest_product("99099", 3))
def test_rejects_empty_string_and_nonzero_span(self):
with self.assertRaisesWithMessage(ValueError):
largest_product("", 1)
def test_identity_with_nonempty_string(self):
self.assertEqual(1, largest_product("123", 0))
def test_rejects_negative_span(self):
with self.assertRaisesWithMessage(ValueError):
largest_product("12345", -1)
def test_slices_bigger_than_number(self):
with self.assertRaises(ValueError):
largest_product("012", 4)