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import { test, assert} from './test-assert.js';
import { useAverage } from './Util.js';
test('Average correctly accumulates an average', () => {
let [avg, avg_append] = useAverage();
let data = [];
for (let i=0; i<5000; i++) {
let d = Math.random();
data.push(d);
avg_append(d);
}
let manual_average = 0;
for (let d of data) manual_average += d;
manual_average /= data.length;
const precision = (decimalPlaces, num) => {
const theta = 10**decimalPlaces;
return Math.floor(num * theta) / theta;
};
assert.equal(precision(5, avg()), precision(5, manual_average));
});
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