import os import sys root = os.path.dirname(os.path.dirname(os.path.abspath(__file__))) sys.path.append(root) # ---------------------------------------------------------------------------- # PLEASE DO NOT EDIT THIS FILE, IT IS GENERATED AND WILL BE OVERWRITTEN: # https://github.com/ccxt/ccxt/blob/master/CONTRIBUTING.md#how-to-contribute-code # ---------------------------------------------------------------------------- from ccxt.base.decimal_to_precision import decimal_to_precision # noqa F401 from ccxt.base.decimal_to_precision import TRUNCATE # noqa F401 from ccxt.base.decimal_to_precision import ROUND # noqa F401 from ccxt.base.decimal_to_precision import DECIMAL_PLACES # noqa F401 from ccxt.base.decimal_to_precision import SIGNIFICANT_DIGITS # noqa F401 from ccxt.base.decimal_to_precision import PAD_WITH_ZERO # noqa F401 from ccxt.base.decimal_to_precision import NO_PADDING # noqa F401 # ---------------------------------------------------------------------------- # ---------------------------------------------------------------------------- # number_to_string works, not supported in Python and PHP yet # assert(number_to_string(-7.9e-7) == '-0.0000007899999999999999') # assert(number_to_string( 7.9e-7) == '0.0000007899999999999999') # assert(number_to_string(-12.345) == '-12.345') # assert(number_to_string( 12.345) == '12.345') # assert(number_to_string(0) == '0') # ---------------------------------------------------------------------------- # testDecimalToPrecisionTruncationToNDigitsAfterDot assert(decimal_to_precision('12.3456000', TRUNCATE, 100, DECIMAL_PLACES) == '12.3456') assert(decimal_to_precision('12.3456', TRUNCATE, 100, DECIMAL_PLACES) == '12.3456') assert(decimal_to_precision('12.3456', TRUNCATE, 4, DECIMAL_PLACES) == '12.3456') assert(decimal_to_precision('12.3456', TRUNCATE, 3, DECIMAL_PLACES) == '12.345') assert(decimal_to_precision('12.3456', TRUNCATE, 2, DECIMAL_PLACES) == '12.34') assert(decimal_to_precision('12.3456', TRUNCATE, 1, DECIMAL_PLACES) == '12.3') assert(decimal_to_precision('12.3456', TRUNCATE, 0, DECIMAL_PLACES) == '12') assert(decimal_to_precision('0.0000001', TRUNCATE, 8, DECIMAL_PLACES) == '0.0000001') assert(decimal_to_precision('0.00000001', TRUNCATE, 8, DECIMAL_PLACES) == '0.00000001') assert(decimal_to_precision('0.000000000', TRUNCATE, 9, DECIMAL_PLACES, PAD_WITH_ZERO) == '0.000000000') assert(decimal_to_precision('0.000000001', TRUNCATE, 9, DECIMAL_PLACES, PAD_WITH_ZERO) == '0.000000001') assert(decimal_to_precision('12.3456', TRUNCATE, -1, DECIMAL_PLACES) == '10') assert(decimal_to_precision('123.456', TRUNCATE, -1, DECIMAL_PLACES) == '120') assert(decimal_to_precision('123.456', TRUNCATE, -2, DECIMAL_PLACES) == '100') assert(decimal_to_precision('9.99999', TRUNCATE, -1, DECIMAL_PLACES) == '0') assert(decimal_to_precision('99.9999', TRUNCATE, -1, DECIMAL_PLACES) == '90') assert(decimal_to_precision('99.9999', TRUNCATE, -2, DECIMAL_PLACES) == '0') assert(decimal_to_precision('0', TRUNCATE, 0, DECIMAL_PLACES) == '0') assert(decimal_to_precision('-0.9', TRUNCATE, 0, DECIMAL_PLACES) == '0') # ---------------------------------------------------------------------------- # testDecimalToPrecisionTruncationToNSignificantDigits assert(decimal_to_precision('0.000123456700', TRUNCATE, 100, SIGNIFICANT_DIGITS) == '0.0001234567') assert(decimal_to_precision('0.0001234567', TRUNCATE, 100, SIGNIFICANT_DIGITS) == '0.0001234567') assert(decimal_to_precision('0.0001234567', TRUNCATE, 7, SIGNIFICANT_DIGITS) == '0.0001234567') assert(decimal_to_precision('0.000123456', TRUNCATE, 6, SIGNIFICANT_DIGITS) == '0.000123456') assert(decimal_to_precision('0.000123456', TRUNCATE, 5, SIGNIFICANT_DIGITS) == '0.00012345') assert(decimal_to_precision('0.000123456', TRUNCATE, 2, SIGNIFICANT_DIGITS) == '0.00012') assert(decimal_to_precision('0.000123456', TRUNCATE, 1, SIGNIFICANT_DIGITS) == '0.0001') assert(decimal_to_precision('123.0000987654', TRUNCATE, 10, SIGNIFICANT_DIGITS, PAD_WITH_ZERO) == '123.0000987') assert(decimal_to_precision('123.0000987654', TRUNCATE, 8, SIGNIFICANT_DIGITS) == '123.00009') assert(decimal_to_precision('123.0000987654', TRUNCATE, 7, SIGNIFICANT_DIGITS, PAD_WITH_ZERO) == '123.0000') assert(decimal_to_precision('123.0000987654', TRUNCATE, 6, SIGNIFICANT_DIGITS) == '123') assert(decimal_to_precision('123.0000987654', TRUNCATE, 5, SIGNIFICANT_DIGITS, PAD_WITH_ZERO) == '123.00') assert(decimal_to_precision('123.0000987654', TRUNCATE, 4, SIGNIFICANT_DIGITS) == '123') assert(decimal_to_precision('123.0000987654', TRUNCATE, 4, SIGNIFICANT_DIGITS, PAD_WITH_ZERO) == '123.0') assert(decimal_to_precision('123.0000987654', TRUNCATE, 3, SIGNIFICANT_DIGITS, PAD_WITH_ZERO) == '123') assert(decimal_to_precision('123.0000987654', TRUNCATE, 2, SIGNIFICANT_DIGITS) == '120') assert(decimal_to_precision('123.0000987654', TRUNCATE, 1, SIGNIFICANT_DIGITS) == '100') assert(decimal_to_precision('123.0000987654', TRUNCATE, 1, SIGNIFICANT_DIGITS, PAD_WITH_ZERO) == '100') assert(decimal_to_precision('1234', TRUNCATE, 5, SIGNIFICANT_DIGITS) == '1234') assert(decimal_to_precision('1234', TRUNCATE, 5, SIGNIFICANT_DIGITS, PAD_WITH_ZERO) == '1234.0') assert(decimal_to_precision('1234', TRUNCATE, 4, SIGNIFICANT_DIGITS) == '1234') assert(decimal_to_precision('1234', TRUNCATE, 4, SIGNIFICANT_DIGITS, PAD_WITH_ZERO) == '1234') assert(decimal_to_precision('1234.69', TRUNCATE, 0, SIGNIFICANT_DIGITS) == '0') assert(decimal_to_precision('1234.69', TRUNCATE, 0, SIGNIFICANT_DIGITS, PAD_WITH_ZERO) == '0') # ---------------------------------------------------------------------------- # testDecimalToPrecisionRoundingToNDigitsAfterDot assert(decimal_to_precision('12.3456000', ROUND, 100, DECIMAL_PLACES) == '12.3456') assert(decimal_to_precision('12.3456', ROUND, 100, DECIMAL_PLACES) == '12.3456') assert(decimal_to_precision('12.3456', ROUND, 4, DECIMAL_PLACES) == '12.3456') assert(decimal_to_precision('12.3456', ROUND, 3, DECIMAL_PLACES) == '12.346') assert(decimal_to_precision('12.3456', ROUND, 2, DECIMAL_PLACES) == '12.35') assert(decimal_to_precision('12.3456', ROUND, 1, DECIMAL_PLACES) == '12.3') assert(decimal_to_precision('12.3456', ROUND, 0, DECIMAL_PLACES) == '12') # a problematic case in PHP assert(decimal_to_precision('10000', ROUND, 6, DECIMAL_PLACES) == '10000') assert(decimal_to_precision('0.00003186', ROUND, 8, DECIMAL_PLACES) == '0.00003186') assert(decimal_to_precision('12.3456', ROUND, -1, DECIMAL_PLACES) == '10') assert(decimal_to_precision('123.456', ROUND, -1, DECIMAL_PLACES) == '120') assert(decimal_to_precision('123.456', ROUND, -2, DECIMAL_PLACES) == '100') assert(decimal_to_precision('9.99999', ROUND, -1, DECIMAL_PLACES) == '10') assert(decimal_to_precision('99.9999', ROUND, -1, DECIMAL_PLACES) == '100') assert(decimal_to_precision('99.9999', ROUND, -2, DECIMAL_PLACES) == '100') assert(decimal_to_precision('9.999', ROUND, 3, DECIMAL_PLACES) == '9.999') assert(decimal_to_precision('9.999', ROUND, 2, DECIMAL_PLACES) == '10') assert(decimal_to_precision('9.999', ROUND, 2, DECIMAL_PLACES, PAD_WITH_ZERO) == '10.00') assert(decimal_to_precision('99.999', ROUND, 2, DECIMAL_PLACES, PAD_WITH_ZERO) == '100.00') assert(decimal_to_precision('-99.999', ROUND, 2, DECIMAL_PLACES, PAD_WITH_ZERO) == '-100.00') # ---------------------------------------------------------------------------- # testDecimalToPrecisionRoundingToNSignificantDigits assert(decimal_to_precision('0.000123456700', ROUND, 100, SIGNIFICANT_DIGITS) == '0.0001234567') assert(decimal_to_precision('0.0001234567', ROUND, 100, SIGNIFICANT_DIGITS) == '0.0001234567') assert(decimal_to_precision('0.0001234567', ROUND, 7, SIGNIFICANT_DIGITS) == '0.0001234567') assert(decimal_to_precision('0.000123456', ROUND, 6, SIGNIFICANT_DIGITS) == '0.000123456') assert(decimal_to_precision('0.000123456', ROUND, 5, SIGNIFICANT_DIGITS) == '0.00012346') assert(decimal_to_precision('0.000123456', ROUND, 4, SIGNIFICANT_DIGITS) == '0.0001235') assert(decimal_to_precision('0.00012', ROUND, 2, SIGNIFICANT_DIGITS) == '0.00012') assert(decimal_to_precision('0.0001', ROUND, 1, SIGNIFICANT_DIGITS) == '0.0001') assert(decimal_to_precision('123.0000987654', ROUND, 7, SIGNIFICANT_DIGITS) == '123.0001') assert(decimal_to_precision('123.0000987654', ROUND, 6, SIGNIFICANT_DIGITS) == '123') assert(decimal_to_precision('0.00098765', ROUND, 2, SIGNIFICANT_DIGITS) == '0.00099') assert(decimal_to_precision('0.00098765', ROUND, 2, SIGNIFICANT_DIGITS, PAD_WITH_ZERO) == '0.00099') assert(decimal_to_precision('0.00098765', ROUND, 1, SIGNIFICANT_DIGITS) == '0.001') assert(decimal_to_precision('0.00098765', ROUND, 10, SIGNIFICANT_DIGITS, PAD_WITH_ZERO) == '0.0009876500000') assert(decimal_to_precision('0.098765', ROUND, 1, SIGNIFICANT_DIGITS, PAD_WITH_ZERO) == '0.1') assert(decimal_to_precision('0', ROUND, 0, SIGNIFICANT_DIGITS) == '0') assert(decimal_to_precision('-0.123', ROUND, 0, SIGNIFICANT_DIGITS) == '0') # ---------------------------------------------------------------------------- # testDecimalToPrecisionNegativeNumbers assert(decimal_to_precision('-0.123456', TRUNCATE, 5, DECIMAL_PLACES) == '-0.12345') assert(decimal_to_precision('-0.123456', ROUND, 5, DECIMAL_PLACES) == '-0.12346') # ---------------------------------------------------------------------------- # decimal_to_precision: without dot / trailing dot assert(decimal_to_precision('123', TRUNCATE, 0) == '123') assert(decimal_to_precision('123', TRUNCATE, 5, DECIMAL_PLACES) == '123') assert(decimal_to_precision('123', TRUNCATE, 5, DECIMAL_PLACES, PAD_WITH_ZERO) == '123.00000') assert(decimal_to_precision('123.', TRUNCATE, 0, DECIMAL_PLACES) == '123') assert(decimal_to_precision('123.', TRUNCATE, 5, DECIMAL_PLACES, PAD_WITH_ZERO) == '123.00000') assert(decimal_to_precision('0.', TRUNCATE, 0) == '0') assert(decimal_to_precision('0.', TRUNCATE, 5, DECIMAL_PLACES, PAD_WITH_ZERO) == '0.00000') # ---------------------------------------------------------------------------- # decimal_to_precision: rounding for equidistant digits assert(decimal_to_precision('1.44', ROUND, 1, DECIMAL_PLACES) == '1.4') assert(decimal_to_precision('1.45', ROUND, 1, DECIMAL_PLACES) == '1.5') assert(decimal_to_precision('1.45', ROUND, 0, DECIMAL_PLACES) == '1') # not 2 # ---------------------------------------------------------------------------- # negative precision only implemented so far in python # pretty useless for decimal applications as anything |x| < 5 == 0 # NO_PADDING and PAD_WITH_ZERO are ignored assert(decimal_to_precision('5', ROUND, -1, DECIMAL_PLACES) == '10') assert(decimal_to_precision('4.999', ROUND, -1, DECIMAL_PLACES) == '0') assert(decimal_to_precision('0.0431531423', ROUND, -1, DECIMAL_PLACES) == '0') assert(decimal_to_precision('-69.3', ROUND, -1, DECIMAL_PLACES) == '-70') assert(decimal_to_precision('5001', ROUND, -4, DECIMAL_PLACES) == '10000') assert(decimal_to_precision('4999.999', ROUND, -4, DECIMAL_PLACES) == '0') assert(decimal_to_precision('69.3', TRUNCATE, -2, DECIMAL_PLACES) == '0') assert(decimal_to_precision('-69.3', TRUNCATE, -2, DECIMAL_PLACES) == '0') assert(decimal_to_precision('69.3', TRUNCATE, -1, SIGNIFICANT_DIGITS) == '60') assert(decimal_to_precision('-69.3', TRUNCATE, -1, SIGNIFICANT_DIGITS) == '-60') assert(decimal_to_precision('69.3', TRUNCATE, -2, SIGNIFICANT_DIGITS) == '0') # ---------------------------------------------------------------------------- # testDecimalToPrecisionErrorHandling(todo) # # throws(() => # decimal_to_precision('123456.789', TRUNCATE, -2, DECIMAL_PLACES), # 'negative precision is not yet supported') # # throws(() => # decimal_to_precision('foo'), # "invalid number(contains an illegal character 'f')")