aaac7fed
 liuqimichale
add
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'use strict';
require('../shim')();
var test = require('tape');
var defineProperties = require('define-properties');
var bind = require('function-bind');
var isEnumerable = Object.prototype.propertyIsEnumerable;
var functionsHaveNames = function f() {}.name === 'f';
var runTests = require('./tests');
test('shimmed', function (t) {
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(bind.call(Function.call, Array.prototype.includes), t);
t.end();
});
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