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78 lines
1.5 KiB
78 lines
1.5 KiB
if (typeof T === 'undefined') require('../setup');
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T('toNumber', function () {
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Decimal.config({
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precision: 20,
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rounding: 4,
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toExpNeg: -7,
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toExpPos: 21,
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minE: -9e15,
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maxE: 9e15
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});
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// Positive zero
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var t = function (n) {
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T.assert(1 / new Decimal(n).toNumber() === Infinity);
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}
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t('0');
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t('0.0');
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t('0.000000000000');
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t('0e+0');
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t('0e-0');
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t('1e-9000000000000000')
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// Negative zero
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t = function (n) {
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T.assert(1 / new Decimal(n).toNumber() === -Infinity);
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}
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t('-0');
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t('-0.0');
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t('-0.000000000000');
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t('-0e+0');
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t('-0e-0');
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t('-1e-9000000000000000')
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t = function (n, expected) {
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T.assertEqual(expected, new Decimal(n).toNumber());
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}
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t(Infinity, 1 / 0);
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t('Infinity', 1 / 0);
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t(-Infinity, -1 / 0);
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t('-Infinity', -1 / 0);
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t(NaN, NaN);
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t('NaN', NaN);
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t(1, 1);
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t('1', 1);
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t('1.0', 1);
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t('1e+0', 1);
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t('1e-0', 1);
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t(-1, -1);
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t('-1', -1);
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t('-1.0', -1);
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t('-1e+0', -1);
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t('-1e-0', -1);
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t('123.456789876543', 123.456789876543);
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t('-123.456789876543', -123.456789876543);
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t('1.1102230246251565e-16', 1.1102230246251565e-16);
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t('-1.1102230246251565e-16', -1.1102230246251565e-16);
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t('9007199254740991', 9007199254740991);
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t('-9007199254740991', -9007199254740991);
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t('5e-324', 5e-324);
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t('1.7976931348623157e+308', 1.7976931348623157e+308);
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t('9.999999e+9000000000000000', 1 / 0);
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t('-9.999999e+9000000000000000', -1 / 0);
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t('1e-9000000000000000', 0);
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t('-1e-9000000000000000', -0);
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});
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