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upload-google-play/node_modules/object.assign/test/native.js
Drew Heavner bdde081050 Fixed #1 - Fixed the whatsnew-** script for loading release notes into builds
Added test to ensure that release notes are parsed properly
Updated to latest dependencies to fix security vulnerability
Updated GH Actions Workflow to run test before updating tag
Updated README.md to reflect proper whatsnew documentation.
2020-01-30 11:14:51 -05:00

48 lines
1.8 KiB
JavaScript

'use strict';
var test = require('tape');
var defineProperties = require('define-properties');
var isEnumerable = Object.prototype.propertyIsEnumerable;
var functionsHaveNames = function f() {}.name === 'f';
var runTests = require('./tests');
test('native', function (t) {
t.equal(Object.assign.length, 2, 'Object.assign has a length of 2');
t.test('Function name', { skip: !functionsHaveNames }, function (st) {
st.equal(Object.assign.name, 'assign', 'Object.assign has name "assign"');
st.end();
});
t.test('enumerability', { skip: !defineProperties.supportsDescriptors }, function (et) {
et.equal(false, isEnumerable.call(Object, 'assign'), 'Object.assign is not enumerable');
et.end();
});
var supportsStrictMode = (function () { return typeof this === 'undefined'; }());
t.test('bad object value', { skip: !supportsStrictMode }, function (st) {
st['throws'](function () { return Object.assign(undefined); }, TypeError, 'undefined is not an object');
st['throws'](function () { return Object.assign(null); }, TypeError, 'null is not an object');
st.end();
});
// v8 in node 0.8 and 0.10 have non-enumerable string properties
var stringCharsAreEnumerable = isEnumerable.call('xy', 0);
t.test('when Object.assign is present and has pending exceptions', { skip: !stringCharsAreEnumerable || !Object.preventExtensions }, function (st) {
// Firefox 37 still has "pending exception" logic in its Object.assign implementation,
// which is 72% slower than our shim, and Firefox 40's native implementation.
var thrower = Object.preventExtensions({ 1: '2' });
var error;
try { Object.assign(thrower, 'xy'); } catch (e) { error = e; }
st.equal(error instanceof TypeError, true, 'error is TypeError');
st.equal(thrower[1], '2', 'thrower[1] === "2"');
st.end();
});
runTests(Object.assign, t);
t.end();
});