source: imaps-frontend/node_modules/which-boxed-primitive/test/index.js@ d565449

'use strict';

var test = require('tape');
var inspect = require('object-inspect');
var whichBoxedPrimitive = require('..');

var debug = function (v, m) { return inspect(v) + ' ' + m; };

var forEach = function (arr, func) {
        var i;
        for (i = 0; i < arr.length; ++i) {
                func(arr[i], i, arr);
        }
};

var hasSymbols = require('has-symbols')();
var hasBigInts = typeof BigInt === 'function';

var primitives = [
        true,
        false,
        42,
        NaN,
        Infinity,
        '',
        'foo'
].concat(
        hasSymbols ? [Symbol(), Symbol.iterator] : [],
        hasBigInts ? BigInt(42) : []
);

var objects = [
        /a/g,
        new Date(),
        function () {},
        [],
        {}
];

test('isBoxedPrimitive', function (t) {
        t.test('unboxed primitives', function (st) {
                forEach([null, undefined].concat(primitives), function (primitive) {
                        st.equal(null, whichBoxedPrimitive(primitive), debug(primitive, 'is a primitive, but not a boxed primitive'));
                });
                st.end();
        });

        t.test('boxed primitives', function (st) {
                forEach(primitives, function (primitive) {
                        var boxed = Object(primitive);
                        var expected = boxed.constructor.name;
                        st.equal(typeof expected, 'string', 'expected is string');
                        st.equal(whichBoxedPrimitive(boxed), expected, debug(boxed, 'is a boxed primitive: ' + expected));
                });
                st.end();
        });

        t.test('non-primitive objects', function (st) {
                forEach(objects, function (object) {
                        st.equal(undefined, whichBoxedPrimitive(object), debug(object, 'is not a primitive, boxed or otherwise'));
                });
                st.end();
        });

        t.end();
});