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28 lines
586 B
28 lines
586 B
if (typeof T === 'undefined') require('../setup');
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T('sign', function () {
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function t(n, expected) {
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T.assertEqual(expected, Decimal.sign(n));
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}
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t(NaN, NaN);
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t('NaN', NaN);
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t(Infinity, 1);
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t(-Infinity, -1);
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t('Infinity', 1);
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t('-Infinity', -1);
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T.assert(1 / Decimal.sign('0') === Infinity);
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T.assert(1 / Decimal.sign(new Decimal('0')) === Infinity);
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T.assert(1 / Decimal.sign('-0') === -Infinity);
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T.assert(1 / Decimal.sign(new Decimal('-0')) === -Infinity);
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t('0', 0);
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t('-0', -0);
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t('1', 1);
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t('-1', -1);
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t('9.99', 1);
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t('-9.99', -1);
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});
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