var assert = require('assert');

var math = require('../../../index');

var isNumeric = math.isNumeric;

var bignumber = math.bignumber;

var fraction = math.fraction;

describe('isNumeric', function() {

it('should test whether a value is numeric', function() {

assert.strictEqual(isNumeric(2), true);

assert.strictEqual(isNumeric(true), true);

assert.strictEqual(isNumeric(bignumber(2.3)), true);

assert.strictEqual(isNumeric(fraction(1,3)), true);

assert.strictEqual(isNumeric('2'), false);

assert.strictEqual(isNumeric('foo'), false);

assert.strictEqual(isNumeric(math.complex(2,3)), false);

assert.strictEqual(isNumeric(math.unit('5 cm')), false);

});

it('should test isNumeric element wise on an Array', function() {

assert.deepEqual(isNumeric([2, 'foo', true]), [true, false, true]);

});

it('should test isNumeric element wise on a Matrix', function() {

assert.deepEqual(isNumeric(math.matrix([2, 'foo', true])), math.matrix([true, false, true]));

});

it('should throw an error in case of unsupported data types', function() {

assert.throws(function () {isNumeric(new Date())}, /TypeError: Unexpected type of argument/);

assert.throws(function () {isNumeric({})}, /TypeError: Unexpected type of argument/);

});

});