40 lines
1.4 KiB
JavaScript
40 lines
1.4 KiB
JavaScript
'use strict';
|
|
|
|
var orig = Array.prototype.includes;
|
|
|
|
require('../auto');
|
|
|
|
var test = require('tape');
|
|
var defineProperties = require('define-properties');
|
|
var callBind = require('call-bind');
|
|
var isEnumerable = Object.prototype.propertyIsEnumerable;
|
|
var functionsHaveNames = require('functions-have-names')();
|
|
|
|
var runTests = require('./tests');
|
|
|
|
test('shimmed', function (t) {
|
|
t.comment('shimmed: ' + (orig === Array.prototype.includes ? 'no' : 'yes'));
|
|
t.equal(Array.prototype.includes.length, 1, 'Array#includes has a length of 1');
|
|
t.test('Function name', { skip: !functionsHaveNames }, function (st) {
|
|
st.equal(Array.prototype.includes.name, 'includes', 'Array#includes has name "includes"');
|
|
st.end();
|
|
});
|
|
|
|
t.test('enumerability', { skip: !defineProperties.supportsDescriptors }, function (et) {
|
|
et.equal(false, isEnumerable.call(Array.prototype, 'includes'), 'Array#includes is not enumerable');
|
|
et.end();
|
|
});
|
|
|
|
var supportsStrictMode = (function () { return typeof this === 'undefined'; }());
|
|
|
|
t.test('bad array/this value', { skip: !supportsStrictMode }, function (st) {
|
|
st['throws'](function () { return Array.prototype.includes.call(undefined, 'a'); }, TypeError, 'undefined is not an object');
|
|
st['throws'](function () { return Array.prototype.includes.call(null, 'a'); }, TypeError, 'null is not an object');
|
|
st.end();
|
|
});
|
|
|
|
runTests(callBind(Array.prototype.includes), t);
|
|
|
|
t.end();
|
|
});
|