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MikeMcl_decimal.js
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MikeMcl_decimal.js/test/modules/Decimal.js

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if (typeof T === 'undefined') require('../setup');
T('Decimal', function () {
Decimal.config({
precision: 40,
rounding: 4,
toExpNeg: -9e15,
toExpPos: 9e15,
maxE: 9e15,
minE: -9e15,
crypto: false,
modulo: 1
});
var t = function (coefficient, exponent, sign, n) {
T.assertEqualProps(coefficient, exponent, sign, new Decimal(n));
}
t([0], 0, 1, 0);
t([0], 0, -1, -0);
t([1], 0, -1, -1);
t([10], 1, -1, -10);
t([1], 0, 1, 1);
t([10], 1, 1, 10);
t([100], 2, 1, 100);
t([1000], 3, 1, 1000);
t([10000], 4, 1, 10000);
t([100000], 5, 1, 100000);
t([1000000], 6, 1, 1000000);
t([1], 7, 1, 10000000);
t([10], 8, 1, 100000000);
t([100], 9, 1, 1000000000);
t([1000], 10, 1, 10000000000);
t([10000], 11, 1, 100000000000);
t([100000], 12, 1, 1000000000000);
t([1000000], 13, 1, 10000000000000);
t([1], 14, -1, -100000000000000);
t([10], 15, -1, -1000000000000000);
t([100], 16, -1, -10000000000000000);
t([1000], 17, -1, -100000000000000000);
t([10000], 18, -1, -1000000000000000000);
t([100000], 19, -1, -10000000000000000000);
t([1000000], 20, -1, -100000000000000000000);
t([1000000], -1, 1, 1e-1);
t([100000], -2, -1, -1e-2);
t([10000], -3, 1, 1e-3);
t([1000], -4, -1, -1e-4);
t([100], -5, 1, 1e-5);
t([10], -6, -1, -1e-6);
t([1], -7, 1, 1e-7);
t([1000000], -8, 1, 1e-8);
t([100000], -9, -1, -1e-9);
t([10000], -10, 1, 1e-10);
t([1000], -11, -1, -1e-11);
t([100], -12, 1, 1e-12);
t([10], -13, -1, -1e-13);
t([1], -14, 1, 1e-14);
t([1000000], -15, 1, 1e-15);
t([100000], -16, -1, -1e-16);
t([10000], -17, 1, 1e-17);
t([1000], -18, -1, -1e-18);
t([100], -19, 1, 1e-19);
t([10], -20, -1, -1e-20);
t([1], -21, 1, 1e-21);
t([9], 0, 1, '9');
t([99], 1, -1, '-99');
t([999], 2, 1, '999');
t([9999], 3, -1, '-9999');
t([99999], 4, 1, '99999');
t([999999], 5, -1, '-999999');
t([9999999], 6, 1, '9999999');
t([9, 9999999], 7, -1, '-99999999');
t([99, 9999999], 8, 1, '999999999');
t([999, 9999999], 9, -1, '-9999999999');
t([9999, 9999999], 10, 1, '99999999999');
t([99999, 9999999], 11, -1, '-999999999999');
t([999999, 9999999], 12, 1, '9999999999999');
t([9999999, 9999999], 13, -1, '-99999999999999');
t([9, 9999999, 9999999], 14, 1, '999999999999999');
t([99, 9999999, 9999999], 15, -1, '-9999999999999999');
t([999, 9999999, 9999999], 16, 1, '99999999999999999');
t([9999, 9999999, 9999999], 17, -1, '-999999999999999999');
t([99999, 9999999, 9999999], 18, 1, '9999999999999999999');
t([999999, 9999999, 9999999], 19, -1, '-99999999999999999999');
t([9999999, 9999999, 9999999], 20, 1, '999999999999999999999');
// Test base conversion.
t = function (expected, n) {
T.assertEqual(expected, new Decimal(n).valueOf());
}
function randInt() {
return Math.floor(Math.random() * 0x20000000000000 / Math.pow(10, Math.random() * 16 | 0));
}
// Test random integers against Number.prototype.toString(base).
for (var k, i = 0; i < 127; i++) {
k = randInt();
t(k.toString(), '0b' + k.toString(2));
k = randInt();
t(k.toString(), '0B' + k.toString(2));
k = randInt();
t(k.toString(), '0o' + k.toString(8));
k = randInt();
t(k.toString(), '0O' + k.toString(8));
k = randInt();
t(k.toString(), '0x' + k.toString(16));
k = randInt();
t(k.toString(), '0X' + k.toString(16));
}
// Binary.
t('0', '0b0');
t('0', '0B0');
t('-5', '-0b101');
t('5', '+0b101');
t('1.5', '0b1.1');
t('-1.5', '-0b1.1');
t('18181', '0b100011100000101.00');
t('-12.5', '-0b1100.10');
t('343872.5', '0b1010011111101000000.10');
t('-328.28125', '-0b101001000.010010');
t('-341919.144535064697265625', '-0b1010011011110011111.0010010100000000010');
t('97.10482025146484375', '0b1100001.000110101101010110000');
t('-120914.40625', '-0b11101100001010010.01101');
t('8080777260861123367657', '0b1101101100000111101001111111010001111010111011001010100101001001011101001');
// Octal.
t('8', '0o10');
t('-8.5', '-0O010.4');
t('8.5', '+0O010.4');
t('-262144.000000059604644775390625', '-0o1000000.00000001');
t('572315667420.390625', '0o10250053005734.31');
// Hex.
t('1', '0x00001');
t('255', '0xff');
t('-15.5', '-0Xf.8');
t('15.5', '+0Xf.8');
t('-16777216.00000000023283064365386962890625', '-0x1000000.00000001');
t('325927753012307620476767402981591827744994693483231017778102969592507', '0xc16de7aa5bf90c3755ef4dea45e982b351b6e00cd25a82dcfe0646abb');
// Test parsing.
var tx = function (fn, msg) {
T.assertException(fn, msg);
}
t('NaN', NaN);
t('NaN', -NaN);
t('NaN', 'NaN');
t('NaN', '-NaN');
t('NaN', '+NaN');
tx(function () {new Decimal(' NaN')}, "' NaN'");
tx(function () {new Decimal('NaN ')}, "'NaN '");
tx(function () {new Decimal(' NaN ')}, "' NaN '");
tx(function () {new Decimal(' -NaN')}, "' -NaN'");
tx(function () {new Decimal(' +NaN')}, "' +NaN'");
tx(function () {new Decimal('-NaN ')}, "'-NaN '");
tx(function () {new Decimal('+NaN ')}, "'+NaN '");
tx(function () {new Decimal('.NaN')}, "'.NaN'");
tx(function () {new Decimal('NaN.')}, "'NaN.'");
t('Infinity', Infinity);
t('-Infinity', -Infinity);
t('Infinity', 'Infinity');
t('-Infinity', '-Infinity');
t('Infinity', '+Infinity');
tx(function () {new Decimal(' Infinity')}, "' Infinity '");
tx(function () {new Decimal('Infinity ')}, "'Infinity '");
tx(function () {new Decimal(' Infinity ')}, "' Infinity '");
tx(function () {new Decimal(' -Infinity')}, "' -Infinity'");
tx(function () {new Decimal(' +Infinity')}, "' +Infinity'");
tx(function () {new Decimal('.Infinity')}, "'.Infinity'");
tx(function () {new Decimal('Infinity.')}, "'Infinity.'");
t('0', 0);
t('-0', -0);
t('0', '0');
t('-0', '-0');
t('0', '0.');
t('-0', '-0.');
t('0', '0.0');
t('-0', '-0.0');
t('0', '0.00000000');
t('-0', '-0.0000000000000000000000');
tx(function () {new Decimal(' 0')}, "' 0'");
tx(function () {new Decimal('0 ')}, "'0 '");
tx(function () {new Decimal(' 0 ')}, "' 0 '");
tx(function () {new Decimal('0-')}, "'0-'");
tx(function () {new Decimal(' -0')}, "' -0'");
tx(function () {new Decimal('-0 ')}, "'-0 '");
tx(function () {new Decimal('+0 ')}, "'+0 '");
tx(function () {new Decimal(' +0')}, "' +0'");
tx(function () {new Decimal(' .0')}, "' .0'");
tx(function () {new Decimal('0. ')}, "'0. '");
tx(function () {new Decimal('+-0')}, "'+-0'");
tx(function () {new Decimal('-+0')}, "'-+0'");
tx(function () {new Decimal('--0')}, "'--0'");
tx(function () {new Decimal('++0')}, "'++0'");
tx(function () {new Decimal('.-0')}, "'.-0'");
tx(function () {new Decimal('.+0')}, "'.+0'");
tx(function () {new Decimal('0 .')}, "'0 .'");
tx(function () {new Decimal('. 0')}, "'. 0'");
tx(function () {new Decimal('..0')}, "'..0'");
tx(function () {new Decimal('+.-0')}, "'+.-0'");
tx(function () {new Decimal('-.+0')}, "'-.+0'");
tx(function () {new Decimal('+. 0')}, "'+. 0'");
tx(function () {new Decimal('.0.')}, "'.0.'");
t('1', 1);
t('-1', -1);
t('1', '1');
t('-1', '-1');
t('0.1', '.1');
t('0.1', '.1');
t('-0.1', '-.1');
t('0.1', '+.1');
t('1', '1.');
t('1', '1.0');
t('-1', '-1.');
t('1', '+1.');
t('-1', '-1.0000');
t('1', '1.0000');
t('1', '1.00000000');
t('-1', '-1.000000000000000000000000');
t('1', '+1.000000000000000000000000');
tx(function () {new Decimal(' 1')}, "' 1'");
tx(function () {new Decimal('1 ')}, "'1 '");
tx(function () {new Decimal(' 1 ')}, "' 1 '");
tx(function () {new Decimal('1-')}, "'1-'");
tx(function () {new Decimal(' -1')}, "' -1'");
tx(function () {new Decimal('-1 ')}, "'-1 '");
tx(function () {new Decimal(' +1')}, "' +1'");
tx(function () {new Decimal('+1 ')}, "'+1'");
tx(function () {new Decimal('.1.')}, "'.1.'");
tx(function () {new Decimal('+-1')}, "'+-1'");
tx(function () {new Decimal('-+1')}, "'-+1'");
tx(function () {new Decimal('--1')}, "'--1'");
tx(function () {new Decimal('++1')}, "'++1'");
tx(function () {new Decimal('.-1')}, "'.-1'");
tx(function () {new Decimal('.+1')}, "'.+1'");
tx(function () {new Decimal('1 .')}, "'1 .'");
tx(function () {new Decimal('. 1')}, "'. 1'");
tx(function () {new Decimal('..1')}, "'..1'");
tx(function () {new Decimal('+.-1')}, "'+.-1'");
tx(function () {new Decimal('-.+1')}, "'-.+1'");
tx(function () {new Decimal('+. 1')}, "'+. 1'");
tx(function () {new Decimal('-. 1')}, "'-. 1'");
tx(function () {new Decimal('1..')}, "'1..'");
tx(function () {new Decimal('+1..')}, "'+1..'");
tx(function () {new Decimal('-1..')}, "'-1..'");
tx(function () {new Decimal('-.1.')}, "'-.1.'");
tx(function () {new Decimal('+.1.')}, "'+.1.'");
tx(function () {new Decimal('.-10.')}, "'.-10.'");
tx(function () {new Decimal('.+10.')}, "'.+10.'");
tx(function () {new Decimal('. 10.')}, "'. 10.'");
t('123.456789', 123.456789);
t('-123.456789', -123.456789);
t('-123.456789', '-123.456789');
t('123.456789', '123.456789');
t('123.456789', '+123.456789');
tx(function () {new Decimal(void 0)}, "void 0");
tx(function () {new Decimal('undefined')}, "'undefined'");
tx(function () {new Decimal(null)}, "null");
tx(function () {new Decimal('null')}, "'null'");
tx(function () {new Decimal({})}, "{}");
tx(function () {new Decimal([])}, "[]");
tx(function () {new Decimal(function () {})}, "function () {}");
tx(function () {new Decimal(new Date)}, "new Date");
tx(function () {new Decimal(new RegExp)}, "new RegExp");
tx(function () {new Decimal('')}, "''");
tx(function () {new Decimal(' ')}, "' '");
tx(function () {new Decimal('nan')}, "'nan'");
tx(function () {new Decimal('23e')}, "'23e'");
tx(function () {new Decimal('e4')}, "'e4'");
tx(function () {new Decimal('ff')}, "'ff'");
tx(function () {new Decimal('0xg')}, "'oxg'");
tx(function () {new Decimal('0Xfi')}, "'0Xfi'");
tx(function () {new Decimal('++45')}, "'++45'");
tx(function () {new Decimal('--45')}, "'--45'");
tx(function () {new Decimal('9.99--')}, "'9.99--'");
tx(function () {new Decimal('9.99++')}, "'9.99++'");
tx(function () {new Decimal('0 0')}, "'0 0'");
});
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