68 lines
1.8 KiB
JavaScript
68 lines
1.8 KiB
JavaScript
'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'](
|
|
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 && !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();
|
|
});
|