95732279b6
The non-standard `mozFillRule` has been removed in Firefox 51 [1, 2]. Instead, a parameter of the standard methods should be used. Note that this is supported in all major browsers for a long time now, so there should be no need keeping this Firefox-specific code around. [1] https://developer.mozilla.org/en-US/Firefox/Releases/51 [2] https://bugzilla.mozilla.org/show_bug.cgi?id=826619
657 lines
21 KiB
JavaScript
657 lines
21 KiB
JavaScript
/* Copyright 2012 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// simple and incomplete implementation of promises
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function Promise() {}
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Promise.prototype = {
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then: function (callback) {
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this.callback = callback;
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if ('result' in this) callback(this.result);
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},
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resolve: function (result) {
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if ('result' in this) return;
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this.result = result;
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if ('callback' in this) this.callback(result);
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}
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};
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var isCanvasSupported = (function () {
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try {
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document.createElement('canvas').getContext('2d').fillStyle = '#FFFFFF';
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return true;
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} catch (e) {
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return false;
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}
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})();
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var tests = [
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{
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id: 'canvas',
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name: 'CANVAS element is present',
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run: function () {
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if (isCanvasSupported) {
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return { output: 'Success', emulated: '' };
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} else {
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return { output: 'Failed', emulated: 'No' };
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}
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},
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impact: 'Critical',
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area: 'Core'
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},
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{
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id: 'get-literal',
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name: 'get-literal properties',
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run: function () {
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try {
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var Test = eval('var Test = { get t() { return {}; } }; Test');
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Test.t.test = true;
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return { output: 'Success', emulated: '' };
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} catch (e) {
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return { output: 'Failed', emulated: 'No' };
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}
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},
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impact: 'Critical',
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area: 'Core'
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},
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{
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id: 'addEventListener',
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name: 'addEventListener() is present',
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run: function () {
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var div = document.createElement('div');
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if (div.addEventListener)
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return { output: 'Success', emulated: '' };
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else
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return { output: 'Failed', emulated: 'No' };
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},
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impact: 'Critical',
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area: 'Core'
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},
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{
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id: 'Uint8Array',
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name: 'Uint8Array is present',
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run: function () {
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if (typeof Uint8Array !== 'undefined')
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return { output: 'Success', emulated: '' };
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else
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return { output: 'Failed', emulated: 'Yes' };
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},
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impact: 'Critical',
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area: 'Core'
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},
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{
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id: 'Uint16Array',
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name: 'Uint16Array is present',
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run: function () {
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if (typeof Uint16Array !== 'undefined')
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return { output: 'Success', emulated: '' };
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else
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return { output: 'Failed', emulated: 'Yes' };
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},
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impact: 'Critical',
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area: 'Core'
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},
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{
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id: 'Int32Array',
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name: 'Int32Array is present',
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run: function () {
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if (typeof Int32Array !== 'undefined')
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return { output: 'Success', emulated: '' };
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else
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return { output: 'Failed', emulated: 'Yes' };
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},
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impact: 'Critical',
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area: 'Core'
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},
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{
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id: 'Float32Array',
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name: 'Float32Array is present',
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run: function () {
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if (typeof Float32Array !== 'undefined')
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return { output: 'Success', emulated: '' };
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else
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return { output: 'Failed', emulated: 'Yes' };
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},
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impact: 'Critical',
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area: 'Core'
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},
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{
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id: 'Float64Array',
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name: 'Float64Array is present',
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run: function () {
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if (typeof Float64Array !== 'undefined')
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return { output: 'Success', emulated: '' };
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else
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return { output: 'Failed', emulated: 'Yes' };
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},
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impact: 'Critical',
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area: 'Core'
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},
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{
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id: 'Object-create',
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name: 'Object.create() is present',
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run: function () {
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if (Object.create instanceof Function)
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return { output: 'Success', emulated: '' };
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else
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return { output: 'Failed', emulated: 'Yes' };
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},
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impact: 'Critical',
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area: 'Core'
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},
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{
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id: 'Object-defineProperty',
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name: 'Object.defineProperty() is present',
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run: function () {
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if (Object.defineProperty instanceof Function)
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return { output: 'Success', emulated: '' };
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else
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return { output: 'Failed', emulated: 'Yes' };
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},
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impact: 'Critical',
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area: 'Core'
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},
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{
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id: 'Object-defineProperty-DOM',
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name: 'Object.defineProperty() can be used on DOM objects',
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run: function () {
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if (!(Object.defineProperty instanceof Function))
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return { output: 'Skipped', emulated: '' };
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try {
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// some browsers (e.g. safari) cannot use defineProperty() on DOM objects
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// and thus the native version is not sufficient
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Object.defineProperty(new Image(), 'id', { value: 'test' });
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return { output: 'Success', emulated: '' };
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} catch (e) {
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return { output: 'Failed', emulated: 'Yes' };
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}
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},
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impact: 'Important',
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area: 'Viewer'
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},
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{
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id: 'get-literal-redefine',
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name: 'Defined via get-literal properties can be redefined',
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run: function () {
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if (!(Object.defineProperty instanceof Function))
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return { output: 'Skipped', emulated: '' };
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try {
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var TestGetter = eval('var Test = function () {}; Test.prototype = { get id() { } }; Test');
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Object.defineProperty(new TestGetter(), 'id',
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{ value: '', configurable: true, enumerable: true, writable: false });
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return { output: 'Success', emulated: '' };
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} catch (e) {
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return { output: 'Failed', emulated: 'Yes' };
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}
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},
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impact: 'Critical',
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area: 'Core'
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},
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{
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id: 'Object-keys',
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name: 'Object.keys() is present',
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run: function () {
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if (Object.keys instanceof Function)
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return { output: 'Success', emulated: '' };
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else
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return { output: 'Failed', emulated: 'Yes' };
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},
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impact: 'Critical',
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area: 'Core'
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},
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{
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id: 'FileReader',
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name: 'FileReader is present',
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run: function () {
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if (typeof FileReader !== 'undefined')
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return { output: 'Success', emulated: '' };
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else
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return { output: 'Failed', emulated: 'No' };
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},
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impact: 'Normal',
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area: 'Demo'
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},
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{
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id: 'FileReader-readAsArrayBuffer',
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name: 'FileReader.prototype.readAsArrayBuffer() is present',
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run: function () {
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if (typeof FileReader === 'undefined')
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return { output: 'Skipped', emulated: '' };
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if (FileReader.prototype.readAsArrayBuffer instanceof Function)
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return { output: 'Success', emulated: '' };
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else
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return { output: 'Failed', emulated: 'Yes' };
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},
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impact: 'Normal',
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area: 'Demo'
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},
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{
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id: 'XMLHttpRequest-overrideMimeType',
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name: 'XMLHttpRequest.prototype.overrideMimeType() is present',
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run: function () {
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if (XMLHttpRequest.prototype.overrideMimeType instanceof Function)
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return { output: 'Success', emulated: '' };
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else
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return { output: 'Failed', emulated: 'Yes' };
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},
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impact: 'Important',
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area: 'Viewer'
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},
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{
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id: 'XMLHttpRequest-response',
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name: 'XMLHttpRequest.prototype.response is present',
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run: function () {
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var xhr = new XMLHttpRequest();
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if ('response' in xhr)
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return { output: 'Success', emulated: '' };
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else
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return { output: 'Failed', emulated: 'Yes' };
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},
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impact: 'Critical',
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area: 'Core'
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},
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{
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id: 'bota',
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name: 'btoa() is present',
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run: function () {
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if ('btoa' in window)
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return { output: 'Success', emulated: '' };
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else
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return { output: 'Failed', emulated: 'Yes' };
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},
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impact: 'Critical',
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area: 'Core'
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},
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{
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id: 'atob',
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name: 'atob() is present',
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run: function () {
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if ('atob' in window)
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return { output: 'Success', emulated: '' };
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else
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return { output: 'Failed', emulated: 'Yes' };
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},
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impact: 'Critical',
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area: 'Core'
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},
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{
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id: 'Function-bind',
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name: 'Function.prototype.bind is present',
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run: function () {
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if (Function.prototype.bind instanceof Function)
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return { output: 'Success', emulated: '' };
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else
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return { output: 'Failed', emulated: 'Yes' };
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},
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impact: 'Critical',
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area: 'Core'
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},
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{
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id: 'dataset',
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name: 'dataset is present for HTML element',
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run: function () {
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var div = document.createElement('div');
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if ('dataset' in div)
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return { output: 'Success', emulated: '' };
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else
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return { output: 'Failed', emulated: 'Yes' };
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},
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impact: 'Important',
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area: 'Viewer'
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},
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{
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id: 'classList',
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name: 'classList is present for HTML element',
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run: function () {
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var div = document.createElement('div');
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if ('classList' in div)
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return { output: 'Success', emulated: '' };
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else
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return { output: 'Failed', emulated: 'Yes' };
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},
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impact: 'Important',
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area: 'Viewer'
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},
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{
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id: 'console',
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name: 'console object is present',
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run: function () {
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if ('console' in window)
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return { output: 'Success', emulated: '' };
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else
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return { output: 'Failed', emulated: 'Yes' };
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},
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impact: 'Critical',
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area: 'Core'
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},
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{
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id: 'console-log-bind',
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name: 'console.log is a bind-able function',
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run: function () {
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if (!('console' in window))
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return { output: 'Skipped', emulated: '' };
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if ('bind' in console.log)
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return { output: 'Success', emulated: '' };
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else
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return { output: 'Failed', emulated: 'Yes' };
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},
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impact: 'Critical',
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area: 'Core'
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},
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{
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id: 'navigator-language',
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name: 'navigator.language is present',
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run: function () {
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if ('language' in navigator)
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return { output: 'Success', emulated: '' };
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else
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return { output: 'Failed', emulated: 'Yes' };
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},
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impact: 'Important',
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area: 'Viewer'
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},
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{
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id: 'fillRule-evenodd',
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name: 'evenodd fill rule is supported',
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run: function () {
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if (!isCanvasSupported)
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return { output: 'Skipped', emulated: '' };
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var canvas = document.createElement('canvas');
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var ctx = canvas.getContext('2d');
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ctx.rect(1, 1, 50, 50);
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ctx.rect(5, 5, 41, 41);
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ctx.fill('evenodd');
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var data = ctx.getImageData(0, 0, 50, 50).data;
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var isEvenOddFill = data[20 * 4 + 20 * 200 + 3] == 0 &&
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data[2 * 4 + 2 * 200 + 3] != 0;
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if (isEvenOddFill)
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return { output: 'Success', emulated: '' };
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else
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return { output: 'Failed', emulated: 'No' };
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},
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impact: 'Important',
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area: 'Core'
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},
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{
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id: 'dash-array',
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name: 'dashed line style is supported',
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run: function () {
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if (!isCanvasSupported)
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return { output: 'Skipped', emulated: '' };
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var canvas = document.createElement('canvas');
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var ctx = canvas.getContext('2d');
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ctx.moveTo(0,5);
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ctx.lineTo(50, 5);
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ctx.lineWidth = 10;
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if ('setLineDash' in ctx) {
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ctx.setLineDash([10, 10]);
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ctx.lineDashOffset = 0;
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}
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ctx.stroke();
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var data = ctx.getImageData(0, 0, 50, 50).data;
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var isDashed = data[5 * 4 + 5 * 200 + 3] != 0 &&
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data[15 * 4 + 5 * 200 + 3] == 0;
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if (isDashed)
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return { output: 'Success', emulated: '' };
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else
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return { output: 'Failed', emulated: 'No' };
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},
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impact: 'Important',
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area: 'Core'
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},
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{
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id: 'font-face',
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name: '@font-face is supported/enabled',
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run: function () {
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if (!isCanvasSupported)
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return { output: 'Skipped', emulated: '' };
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var promise = new Promise();
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setTimeout(function() {
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if (checkCanvas('plus'))
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promise.resolve({ output: 'Success', emulated: '' });
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else
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promise.resolve({ output: 'Failed', emulated: 'No' });
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}, 2000);
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return promise;
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},
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impact: 'Important',
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area: 'Core'
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},
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{
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id: 'font-face-sync',
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name: '@font-face loading completion detection',
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run: function () {
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if (!isCanvasSupported)
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return { output: 'Skipped', emulated: '' };
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// Add the font-face rule to the document
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var rule = '@font-face { font-family: \'plus-loaded\'; src: url(data:font/opentype;base64,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); }';
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var styleElement = document.getElementById('fontFaces');
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var styleSheet = styleElement.sheet;
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styleSheet.insertRule(rule, styleSheet.cssRules.length);
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// checking if data urls are loaded synchronously
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if (checkCanvas('plus-loaded'))
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return { output: 'Success', emulated: '' };
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// TODO checking if data urls are loaded asynchronously
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var usageElement = document.createElement('div');
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usageElement.setAttribute('style', 'font-family: plus-loaded; visibility: hidden;');
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usageElement.textContent = '`';
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document.body.appendChild(usageElement);
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// verify is font is loaded
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var promise = new Promise();
|
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setTimeout(function() {
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if (checkCanvas('plus-loaded'))
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promise.resolve({ output: 'Failed', emulated: 'Yes' });
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else
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promise.resolve({ output: 'Failed', emulated: 'No' });
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}, 2000);
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return promise;
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},
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impact: 'Important',
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area: 'Core'
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},
|
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{
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id: 'Worker',
|
|
name: 'Worker is present',
|
|
run: function () {
|
|
if (typeof Worker != 'undefined')
|
|
return { output: 'Success', emulated: '' };
|
|
else
|
|
return { output: 'Failed', emulated: 'No' };
|
|
},
|
|
impact: 'Important',
|
|
area: 'Core'
|
|
},
|
|
{
|
|
id: 'Worker-Uint8Array',
|
|
name: 'Worker can receive/send typed arrays',
|
|
run: function () {
|
|
if (typeof Worker == 'undefined')
|
|
return { output: 'Skipped', emulated: '' };
|
|
|
|
try {
|
|
var worker = new Worker('worker-stub.js');
|
|
|
|
var promise = new Promise();
|
|
var timeout = setTimeout(function () {
|
|
promise.resolve({ output: 'Failed', emulated: '?' });
|
|
}, 5000);
|
|
|
|
worker.addEventListener('message', function (e) {
|
|
var data = e.data;
|
|
if (data.action == 'test' && data.result)
|
|
promise.resolve({ output: 'Success', emulated: '' });
|
|
else
|
|
promise.resolve({ output: 'Failed', emulated: 'Yes' });
|
|
}, false);
|
|
worker.postMessage({action: 'test',
|
|
data: new Uint8Array(60000000)}); // 60MB
|
|
return promise;
|
|
} catch (e) {
|
|
return { output: 'Failed', emulated: 'Yes' };
|
|
}
|
|
},
|
|
impact: 'Important',
|
|
area: 'Core'
|
|
},
|
|
{
|
|
id: 'Worker-transfers',
|
|
name: 'Worker can use transfers for postMessage',
|
|
run: function () {
|
|
if (typeof Worker == 'undefined')
|
|
return { output: 'Skipped', emulated: '' };
|
|
|
|
try {
|
|
var worker = new Worker('worker-stub.js');
|
|
|
|
var promise = new Promise();
|
|
var timeout = setTimeout(function () {
|
|
promise.resolve({ output: 'Failed', emulated: '?' });
|
|
}, 5000);
|
|
|
|
worker.addEventListener('message', function (e) {
|
|
var data = e.data;
|
|
if (data.action == 'test-transfers' && data.result)
|
|
promise.resolve({ output: 'Success', emulated: '' });
|
|
else
|
|
promise.resolve({ output: 'Failed', emulated: 'Yes' });
|
|
}, false);
|
|
var testObj = new Uint8Array([255]);
|
|
worker.postMessage({action: 'test-transfers',
|
|
data: testObj}, [testObj.buffer]);
|
|
return promise;
|
|
} catch (e) {
|
|
return { output: 'Failed', emulated: 'Yes' };
|
|
}
|
|
},
|
|
impact: 'Normal',
|
|
area: 'Core'
|
|
},
|
|
{
|
|
id: 'Worker-xhr-response',
|
|
name: 'XMLHttpRequest supports the response property in web workers',
|
|
run: function () {
|
|
if (typeof Worker == 'undefined')
|
|
return { output: 'Skipped', emulated: '' };
|
|
|
|
try {
|
|
var worker = new Worker('worker-stub.js');
|
|
|
|
var promise = new Promise();
|
|
var timeout = setTimeout(function () {
|
|
promise.resolve({ output: 'Failed', emulated: '?' });
|
|
}, 5000);
|
|
|
|
worker.addEventListener('message', function (e) {
|
|
var data = e.data;
|
|
if (data.action == 'xhr' && data.result)
|
|
promise.resolve({ output: 'Success', emulated: '' });
|
|
else
|
|
promise.resolve({ output: 'Failed', emulated: 'Yes' });
|
|
}, false);
|
|
worker.postMessage({action: 'xhr'});
|
|
return promise;
|
|
} catch (e) {
|
|
return { output: 'Failed', emulated: 'Yes' };
|
|
}
|
|
},
|
|
impact: 'Important',
|
|
area: 'Core'
|
|
},
|
|
{
|
|
id: 'Canvas Blend Mode',
|
|
name: 'Canvas supports extended blend modes',
|
|
run: function () {
|
|
var fail = { output: 'Failed', emulated: 'No' };
|
|
var ctx = document.createElement('canvas').getContext('2d');
|
|
ctx.canvas.width = 1;
|
|
ctx.canvas.height = 1;
|
|
var mode = 'difference';
|
|
ctx.globalCompositeOperation = mode;
|
|
if (ctx.globalCompositeOperation !== mode) {
|
|
return fail;
|
|
}
|
|
// Chrome supports setting the value, but it may not actually be
|
|
// implemented, so we have to actually test the blend mode.
|
|
ctx.fillStyle = 'red';
|
|
ctx.fillRect(0, 0, 1, 1);
|
|
ctx.fillStyle = 'blue';
|
|
ctx.fillRect(0, 0, 1, 1);
|
|
var pix = ctx.getImageData(0, 0, 1, 1).data;
|
|
if (pix[0] !== 255 || pix[1] !== 0 || pix[2] !== 255) {
|
|
return fail;
|
|
}
|
|
return { output: 'Success', emulated: '' };
|
|
},
|
|
impact: 'Important',
|
|
area: 'Core'
|
|
}
|
|
];
|
|
|
|
function checkCanvas(font) {
|
|
var canvas = document.createElement('canvas');
|
|
var canvasHolder = document.getElementById('canvasHolder');
|
|
canvasHolder.appendChild(canvas);
|
|
var ctx = canvas.getContext('2d');
|
|
ctx.font = '40px \'' + font + '\'';
|
|
ctx.fillText('\u0060', 0, 40);
|
|
var data = ctx.getImageData(0, 0, 40, 40).data;
|
|
canvasHolder.removeChild(canvas);
|
|
|
|
// detects plus figure
|
|
var minx = 40, maxx = 0, miny = 40, maxy = 0;
|
|
for (var y = 0; y < 40; y++) {
|
|
for (var x = 0; x < 40; x++) {
|
|
if (data[x * 4 + y * 160 + 3] == 0) continue; // no color
|
|
minx = Math.min(minx, x); miny = Math.min(miny, y);
|
|
maxx = Math.max(maxx, x); maxy = Math.max(maxy, y);
|
|
}
|
|
}
|
|
|
|
var colors = [[0, 0, 0], [0, 0, 0], [0, 0, 0]];
|
|
var counts = [[0, 0, 0], [0, 0, 0], [0, 0, 0]];
|
|
for (var y = miny; y <= maxy; y++) {
|
|
for (var x = minx; x <= maxx; x++) {
|
|
var i = Math.floor((x - minx) * 3 / (maxx - minx + 1));
|
|
var j = Math.floor((y - miny) * 3 / (maxy - miny + 1));
|
|
counts[i][j]++;
|
|
if (data[x * 4 + y * 160 + 3] != 0)
|
|
colors[i][j]++;
|
|
}
|
|
}
|
|
var isPlus =
|
|
colors[0][0] * 3 < counts[0][0] &&
|
|
colors[0][1] * 3 > counts[0][1] &&
|
|
colors[0][2] * 3 < counts[0][2] &&
|
|
colors[1][0] * 3 > counts[1][0] &&
|
|
colors[1][1] * 3 > counts[1][1] &&
|
|
colors[1][2] * 3 > counts[1][2] &&
|
|
colors[2][0] * 3 < counts[2][0] &&
|
|
colors[2][1] * 3 > counts[2][1] &&
|
|
colors[2][2] * 3 < counts[2][2];
|
|
return isPlus;
|
|
}
|