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- 'use strict';
- var test = require('tape');
- var debug = require('object-inspect');
- var forEach = require('foreach');
- var has = require('has');
- var v = require('es-value-fixtures');
- var getSymbolDescription = require('../../helpers/getSymbolDescription');
- var getInferredName = require('../../helpers/getInferredName');
- test('getSymbolDescription', function (t) {
- t.test('no symbols', { skip: v.hasSymbols }, function (st) {
- st['throws'](
- getSymbolDescription,
- SyntaxError,
- 'requires Symbol support'
- );
- st.end();
- });
- forEach(v.nonSymbolPrimitives.concat(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(
- [
- [Symbol(), undefined],
- [Symbol(undefined), undefined],
- [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 && !has(Symbol.prototype, 'description')
- }, function (s2t) {
- s2t.equal(getSymbolDescription(Symbol('')), '', 'Symbol("") description is ""');
- s2t.end();
- });
- st.test('only possible when global symbols are supported', {
- skip: !has(Symbol, 'for') || !has(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();
- });
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