bszn_xcx/bignumber.js-master/test/methods/toFormat.js

if (typeof Test === 'undefined') require('../tester');

Test('toFormat', function () {

    function t(expected, value, dp){
        Test.areEqual(expected, new BigNumber(value).toFormat(dp));
    }

    var format = {
        decimalSeparator: '.',
        groupSeparator: ',',
        groupSize: 3,
        secondaryGroupSize: 0,
        fractionGroupSeparator: ' ',
        fractionGroupSize: 0
    };

    BigNumber.config({
        DECIMAL_PLACES: 20,
        ROUNDING_MODE: 4,
        RANGE: 1E9,
        EXPONENTIAL_AT: [-7, 21],
        FORMAT: format
    });

    t('0', 0);
    t('1', 1);
    t('-1', -1);
    t('123.456', 123.456);
    t('NaN', NaN);
    t('Infinity', 1/0);
    t('-Infinity', -1/0);

    t('0', 0, null);
    t('1', 1, undefined);
    t('-1', -1, 0);
    t('123.456', 123.456, 3);
    t('NaN', NaN, 0);
    t('Infinity', 1/0, 3);
    t('-Infinity', -1/0, 0);

    t('0.0', 0, 1);
    t('1.00', 1, 2);
    t('-1.000', -1, 3);
    t('123.4560', 123.456, 4);
    t('NaN', NaN, 5);
    t('Infinity', 1/0, 6);
    t('-Infinity', -1/0, 7);

    t('9,876.54321', 9876.54321);
    t('4,018,736,400,000,000,000,000', '4.0187364e+21');

    t('999,999,999,999,999', 999999999999999);
    t('99,999,999,999,999',  99999999999999);
    t('9,999,999,999,999',   9999999999999);
    t('999,999,999,999',     999999999999);
    t('99,999,999,999',      99999999999);
    t('9,999,999,999',       9999999999);
    t('999,999,999',         999999999);
    t('99,999,999',          99999999);
    t('9,999,999',           9999999);
    t('999,999',             999999);
    t('99,999',              99999);
    t('9,999',               9999);
    t('999',                 999);
    t('99',                  99);
    t('9',                   9);

    t('76,852.342091', '7.6852342091e+4');

    format.groupSeparator = ' ';

    t('76 852.34', '7.6852342091e+4', 2);
    t('76 852.342091', '7.6852342091e+4');
    t('76 852.3420910871', '7.6852342091087145832640897e+4', 10);

    format.fractionGroupSize = 5;

    t('4 018 736 400 000 000 000 000', '4.0187364e+21');
    t('76 852.34209 10871 45832 64089', '7.685234209108714583264089e+4', 20);
    t('76 852.34209 10871 45832 64089 7', '7.6852342091087145832640897e+4', 21);
    t('76 852.34209 10871 45832 64089 70000', '7.6852342091087145832640897e+4', 25);

    t('999 999 999 999 999',  999999999999999, 0);
    t('99 999 999 999 999.0', 99999999999999, 1);
    t('9 999 999 999 999.00', 9999999999999, 2);
    t('999 999 999 999.000',  999999999999, 3);
    t('99 999 999 999.0000',  99999999999, 4);
    t('9 999 999 999.00000',  9999999999, 5);
    t('999 999 999.00000 0',  999999999, 6);
    t('99 999 999.00000 00',  99999999, 7);
    t('9 999 999.00000 000',  9999999, 8);
    t('999 999.00000 0000',   999999, 9);
    t('99 999.00000 00000',   99999, 10);
    t('9 999.00000 00000 0',  9999, 11);
    t('999.00000 00000 00',   999, 12);
    t('99.00000 00000 000',   99, 13);
    t('9.00000 00000 0000',   9, 14);

    t('1.00000 00000 00000', 1, 15);
    t('1.00000 00000 0000', 1, 14);
    t('1.00000 00000 000', 1, 13);
    t('1.00000 00000 00', 1, 12);
    t('1.00000 00000 0', 1, 11);
    t('1.00000 00000', 1, 10);
    t('1.00000 0000', 1, 9);

    format.fractionGroupSize = 0;

    t('4 018 736 400 000 000 000 000', '4.0187364e+21');
    t('76 852.34209108714583264089', '7.685234209108714583264089e+4', 20);
    t('76 852.342091087145832640897', '7.6852342091087145832640897e+4', 21);
    t('76 852.3420910871458326408970000', '7.6852342091087145832640897e+4', 25);

    t('999 999 999 999 999',  999999999999999, 0);
    t('99 999 999 999 999.0', 99999999999999, 1);
    t('9 999 999 999 999.00', 9999999999999, 2);
    t('999 999 999 999.000',  999999999999, 3);
    t('99 999 999 999.0000',  99999999999, 4);
    t('9 999 999 999.00000',  9999999999, 5);
    t('999 999 999.000000',   999999999, 6);
    t('99 999 999.0000000',   99999999, 7);
    t('9 999 999.00000000',   9999999, 8);
    t('999 999.000000000',    999999, 9);
    t('99 999.0000000000',    99999, 10);
    t('9 999.00000000000',    9999, 11);
    t('999.000000000000',     999, 12);
    t('99.0000000000000',     99, 13);
    t('9.00000000000000',     9, 14);

    t('1.000000000000000', 1, 15);
    t('1.00000000000000', 1, 14);
    t('1.0000000000000', 1, 13);
    t('1.000000000000', 1, 12);
    t('1.00000000000', 1, 11);
    t('1.0000000000', 1, 10);
    t('1.000000000', 1, 9);

    format = {
        decimalSeparator: '.',
        groupSeparator: ',',
        groupSize: 3,
        secondaryGroupSize: 2
    };

    BigNumber.config({ FORMAT: format });

    t('9,876.54321', 9876.54321);
    t('10,00,037.123', '1000037.123456789', 3);
    t('4,01,87,36,40,00,00,00,00,00,000', '4.0187364e+21');

    t('99,99,99,99,99,99,999', 999999999999999);
    t('9,99,99,99,99,99,999',  99999999999999);
    t('99,99,99,99,99,999',    9999999999999);
    t('9,99,99,99,99,999',     999999999999);
    t('99,99,99,99,999',       99999999999);
    t('9,99,99,99,999',        9999999999);
    t('99,99,99,999',          999999999);
    t('9,99,99,999',           99999999);
    t('99,99,999',             9999999);
    t('9,99,999',              999999);
    t('99,999',                99999);
    t('9,999',                 9999);
    t('999',                   999);
    t('99',                    99);
    t('9',                     9);

    format.decimalSeparator = ',';
    format.groupSeparator = '.';

    t('1.23.45.60.000,000000000008', '1.23456000000000000000789e+9', 12);

    format.groupSeparator = '';

    t('10000000000123456789000000,0000000001', '10000000000123456789000000.000000000100000001', 10);

    format.groupSeparator = ' ';
    format.groupSize = 1;
    format.secondaryGroupSize = 4;

    t('4658 0734 6509 8347 6580 3645 0,6', '4658073465098347658036450.59764985763489569875659876459', 1);

    format.fractionGroupSize = 2;
    format.fractionGroupSeparator = ':';
    format.secondaryGroupSize = null;

    t('4 6 5 8 0 7 3 4 6 5 0 9 8 3 4 7 6 5 8 0 3 6 4 5 0,59:76:49:85:76:34:89:56:98:75:65:98:76:45:9', '4658073465098347658036450.59764985763489569875659876459' );
});