source: imaps-frontend/node_modules/get-symbol-description/test/index.js@ 79a0317

'use strict';

var test = require('tape');
var debug = require('object-inspect');
var forEach = require('for-each');
var hasOwn = require('hasown');
var v = require('es-value-fixtures');

var getSymbolDescription = require('../');
var getInferredName = require('../getInferredName');

test('getSymbolDescription', function (t) {
        t.test('no symbols', { skip: v.hasSymbols }, function (st) {
                st['throws'](
                        // @ts-expect-error
                        getSymbolDescription,
                        SyntaxError,
                        'requires Symbol support'
                );

                st.end();
        });

        forEach([].concat(
                // @ts-expect-error TS sucks with concat
                v.nonSymbolPrimitives,
                v.objects
        ), function (nonSymbol) {
                t['throws'](
                        function () { getSymbolDescription(nonSymbol); },
                        v.hasSymbols ? TypeError : SyntaxError,
                        debug(nonSymbol) + ' is not a Symbol'
                );
        });

        t.test('with symbols', { skip: !v.hasSymbols }, function (st) {
                forEach(
                        // eslint-disable-next-line no-extra-parens
                        /** @type {[symbol, undefined | string][]} */ ([
                                [Symbol(), undefined],
                                [Symbol(undefined), undefined],
                                // @ts-expect-error
                                [Symbol(null), 'null'],
                                [Symbol.iterator, 'Symbol.iterator'],
                                [Symbol('foo'), 'foo']
                        ]),
                        function (pair) {
                                var sym = pair[0];
                                var desc = pair[1];
                                st.equal(getSymbolDescription(sym), desc, debug(sym) + ' description is ' + debug(desc));
                        }
                );

                st.test('only possible when inference or native `Symbol.prototype.description` is supported', {
                        skip: !getInferredName && !hasOwn(Symbol.prototype, 'description')
                }, function (s2t) {
                        s2t.equal(getSymbolDescription(Symbol('')), '', 'Symbol("") description is ""');

                        s2t.end();
                });

                st.test('only possible when global symbols are supported', {
                        skip: !hasOwn(Symbol, 'for') || !hasOwn(Symbol, 'keyFor')
                }, function (s2t) {
                        // eslint-disable-next-line no-restricted-properties
                        s2t.equal(getSymbolDescription(Symbol['for']('')), '', 'Symbol.for("") description is ""');
                        s2t.end();
                });

                st.end();
        });

        t.end();
});