getSymbolDescription.js
1.08 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
'use strict';
var test = require('tape');
var debug = require('object-inspect');
var forEach = require('foreach');
var v = require('./values');
var getSymbolDescription = require('../../helpers/getSymbolDescription');
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); },
TypeError,
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(''), ''],
[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.end();
});
t.end();
});