mirror of
https://github.com/MikeMcl/decimal.js.git
synced 2024-10-27 20:34:12 +00:00
97 lines
2.7 KiB
JavaScript
97 lines
2.7 KiB
JavaScript
var count = (function dpSd(Decimal) {
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var start = +new Date(),
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log,
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error,
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undefined,
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passed = 0,
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total = 0;
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if (typeof window === 'undefined') {
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log = console.log;
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error = console.error;
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} else {
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log = function (str) { document.body.innerHTML += str.replace('\n', '<br>') };
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error = function (str) { document.body.innerHTML += '<div style="color: red">' +
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str.replace('\n', '<br>') + '</div>' };
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}
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if (!Decimal && typeof require === 'function') Decimal = require('../decimal');
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function assert(expected, actual) {
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total++;
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if (expected !== actual) {
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error('\n Test number: ' + total + ' failed');
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error(' Expected: ' + expected);
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error(' Actual: ' + actual);
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//process.exit();
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} else {
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passed++;
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//log('\n Expected and actual: ' + actual);
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}
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}
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function T(value, dp, sd, zs) {
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assert(dp, new Decimal(value).dp());
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assert(sd, new Decimal(value).sd(zs));
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//assert(dp, new Decimal(value).decimalPlaces());
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//assert(sd, new Decimal(value).precision(zs));
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}
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log('\n Testing decimalPlaces and precision...');
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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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errors: true
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});
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T(0, 0, 1);
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T(-0, 0, 1);
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T(NaN, null, null);
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T(Infinity, null, null);
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T(-Infinity, null, null);
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T(1, 0, 1);
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T(-1, 0, 1);
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T(100, 0, 1);
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T(100, 0, 1, 0);
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T(100, 0, 1, false);
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T(100, 0, 3, 1);
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T(100, 0, 3, true);
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T('0.0012345689', 10, 8);
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T('0.0012345689', 10, 8, 0);
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T('0.0012345689', 10, 8, false);
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T('0.0012345689', 10, 8, 1);
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T('0.0012345689', 10, 8, true);
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T('987654321000000.0012345689000001', 16, 31, 0);
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T('987654321000000.0012345689000001', 16, 31, 1);
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T('1e+123', 0, 1);
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T('1e+123', 0, 124, 1);
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T('1e-123', 123, 1);
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T('1e-123', 123, 1);
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T('1e-123', 123, 1, 1);
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T('9.9999e+9000000000000000', 0, 5, false);
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T('9.9999e+9000000000000000', 0, 9000000000000001, true);
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T('-9.9999e+9000000000000000', 0, 5, false);
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T('-9.9999e+9000000000000000', 0, 9000000000000001, true);
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T('1e-9000000000000000', 9e15, 1, false);
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T('1e-9000000000000000', 9e15, 1, true);
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T('-1e-9000000000000000', 9e15, 1, false);
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T('-1e-9000000000000000', 9e15, 1, true);
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log('\n ' + passed + ' of ' + total + ' tests passed in ' + (+new Date() - start) + ' ms \n');
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return [passed, total];
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})(this.Decimal);
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if (typeof module !== 'undefined' && module.exports) module.exports = count;
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