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.
43 lines
1.2 KiB
43 lines
1.2 KiB
'use strict';
|
|
|
|
var test = require('tape');
|
|
var hasSymbols = require('has-symbols')();
|
|
|
|
var OwnPropertyKeys = require('../../helpers/OwnPropertyKeys');
|
|
var defineProperty = require('./defineProperty');
|
|
|
|
test('OwnPropertyKeys', function (t) {
|
|
t.deepEqual(OwnPropertyKeys({ a: 1, b: 2 }).sort(), ['a', 'b'].sort(), 'returns own string keys');
|
|
|
|
t.test('Symbols', { skip: !hasSymbols }, function (st) {
|
|
var o = { a: 1 };
|
|
var sym = Symbol();
|
|
o[sym] = 2;
|
|
|
|
st.deepEqual(OwnPropertyKeys(o), ['a', sym], 'returns own string and symbol keys');
|
|
|
|
st.end();
|
|
});
|
|
|
|
t.test('non-enumerables', { skip: !defineProperty.oDP }, function (st) {
|
|
var o = { a: 1, b: 42, c: NaN };
|
|
defineProperty(o, 'b', { enumerable: false, value: 42 });
|
|
defineProperty(o, 'c', { enumerable: false, get: function () { return NaN; } });
|
|
|
|
if (hasSymbols) {
|
|
defineProperty(o, 'd', { enumerable: false, value: true });
|
|
defineProperty(o, 'e', { enumerable: false, get: function () { return true; } });
|
|
}
|
|
|
|
st.deepEqual(
|
|
OwnPropertyKeys(o).sort(),
|
|
(hasSymbols ? ['a', 'b', 'c', 'd', 'e'] : ['a', 'b', 'c']).sort(),
|
|
'returns non-enumerable own keys, including accessors and symbols if available'
|
|
);
|
|
|
|
st.end();
|
|
});
|
|
|
|
t.end();
|
|
});
|