PromoCursed/node_modules/which-collection/test/index.js
2024-08-20 23:25:37 +04:00

60 lines
1.1 KiB
JavaScript

'use strict';
var test = require('tape');
var debug = require('object-inspect');
var forEach = require('for-each');
var whichCollection = require('..');
test('non-collections', function (t) {
forEach([
null,
undefined,
true,
false,
42,
0,
-0,
NaN,
Infinity,
'',
'foo',
/a/g,
[],
{},
function () {}
], function (nonCollection) {
t.equal(whichCollection(nonCollection), false, debug(nonCollection) + ' is not a collection');
});
t.end();
});
test('Maps', { skip: typeof Map !== 'function' }, function (t) {
var m = new Map();
t.equal(whichCollection(m), 'Map', debug(m) + ' is a Map');
t.end();
});
test('Sets', { skip: typeof Set !== 'function' }, function (t) {
var s = new Set();
t.equal(whichCollection(s), 'Set', debug(s) + ' is a Set');
t.end();
});
test('WeakMaps', { skip: typeof WeakMap !== 'function' }, function (t) {
var wm = new WeakMap();
t.equal(whichCollection(wm), 'WeakMap', debug(wm) + ' is a WeakMap');
t.end();
});
test('WeakSets', { skip: typeof WeakSet !== 'function' }, function (t) {
var ws = new WeakSet();
t.equal(whichCollection(ws), 'WeakSet', debug(ws) + ' is a WeakSet');
t.end();
});