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- 'use strict';
-
- var test = require('tape');
- var debug = require('object-inspect');
- var forEach = require('foreach');
-
- var v = require('./values');
- 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) + ' yields ' + debug(desc));
- }
- );
-
- st.test('only possible when inference is supported', { skip: !getInferredName }, function (s2t) {
- s2t.equal(getSymbolDescription(Symbol('')), '', 'Symbol("") description is empty string');
- s2t.end();
- });
-
- st.end();
- });
-
- t.end();
- });
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