You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
56 lines
1.4 KiB
56 lines
1.4 KiB
4 years ago
|
'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();
|
||
|
|
});
|