123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566 |
- '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();
- });
|