source: imaps-frontend/node_modules/has-bigints/test/index.js

'use strict';

var test = require('tape');
var hasBigInts = require('..');

test('interface', function (t) {
        t.equal(typeof hasBigInts, 'function', 'is a function');
        t.equal(typeof hasBigInts(), 'boolean', 'returns a boolean');
        t.end();
});

test('BigInts are supported', { skip: !hasBigInts() }, function (t) {
        t.equal(typeof BigInt, 'function', 'global BigInt is a function');
        if (typeof BigInt !== 'function') {
                return;
        }

        t.equal(BigInt(42), BigInt(42), '42n === 42n');
        t['throws'](
                function () { BigInt(NaN); },
                RangeError,
                'NaN is not an integer; BigInt(NaN) throws'
        );

        t['throws'](
                function () { BigInt(Infinity); },
                RangeError,
                'Infinity is not an integer; BigInt(Infinity) throws'
        );

        t['throws'](
                function () { BigInt(1.1); },
                RangeError,
                '1.1 is not an integer; BigInt(1.1) throws'
        );

        t.end();
});

test('BigInts are not supported', { skip: hasBigInts() }, function (t) {
        t.equal(typeof BigInt, 'undefined', 'global BigInt is undefined');

        t.end();
});