'use strict';

import chai from 'chai';
import NumberUtil from '../../lib/utils/number.js';
const assert = chai.assert;

describe('Number', function () {

	it('should detected nunmeric value', () => {
		assert.isTrue(NumberUtil.isNumeric(-1));
		assert.isTrue(NumberUtil.isNumeric(-1.12345));
		assert.isTrue(NumberUtil.isNumeric(0));
		assert.isTrue(NumberUtil.isNumeric(1));
		assert.isTrue(NumberUtil.isNumeric(1.0236));
		assert.isTrue(NumberUtil.isNumeric('0'));
		assert.isTrue(NumberUtil.isNumeric('1'));
		assert.isTrue(NumberUtil.isNumeric('1.123'));
		assert.isFalse(NumberUtil.isNumeric('lol'));
		assert.isFalse(NumberUtil.isNumeric('10a'));
		assert.isFalse(NumberUtil.isNumeric(null));
	});

	it('should round floats to 2 places', function () {

		var cases = [
			{ n: 10, e: 10, p: 2 },
			{ n: 1.7777, e: 1.78, p: 2 },
			{ n: 1.005, e: 1.01, p: 2 },
			{ n: 1.005, e: 1, p: 0 },
			{ n: 1.77777, e: 1.8, p: 1 }
		]

		cases.forEach(function (testCase) {
			//use default rounding
			var r = NumberUtil.roundTo(testCase.n, testCase.p, 'default');
			assert.equal(r, testCase.e, 'didn\'t get right number');
		});

	});

});