Issue 5339 - Properly select element for pseudo-element

test/browser/elemHideEmulation.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2017 eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 70 matching lines @@
   let element = document.createElement("div");
   element.id = findUniqueId();
   if (!parent)
     document.body.appendChild(element);
   else
     parent.appendChild(element);
   insertStyleRule("#" + element.id + " " + styleBlock);
   return element;
 }
 
+function createPseudoElementWithStyle(element, pseudo, styleBlock)
+{
+  insertStyleRule(`#${element.id}${pseudo} ${styleBlock}`);
+}
+
 // Will ensure the class ElemHideEmulation is loaded.
 // NOTE: if it never loads, this will probably hang.
 function loadElemHideEmulation()
 {
   if (typeof ElemHideEmulation == "undefined")
   {
     return loadScript(myUrl + "/../../../lib/common.js").then(() =>
     {
       return loadScript(myUrl + "/../../../chrome/content/elemHideEmulation.js");
     }).then(() =>
@@ skipping 162 matching lines @@
     {
       window.setTimeout(() =>
       {
         expectHidden(test, toHide);
         resolve();
       }, 0);
     });
   }).catch(unexpectedError.bind(test)).then(() => test.done());
 };
 
+exports.testPropertySelectorForPseudoElementBefore = function(test)
+{
+  let toHide = createElementWithStyle("{background-color: #000}");
+  createPseudoElementWithStyle(toHide, "::before", "{content: \"publicite\"}");
+  applyElemHideEmulation(
+    [":-abp-properties-before(content: \"publicite\")"]
+  ).then(() =>
+  {
+    expectHidden(test, toHide);
+  }).catch(unexpectedError.bind(test)).then(() => test.done());
+};
+
+exports.testPropertySelectorForPseudoElementAfter = function(test)
+{
+  let toHide = createElementWithStyle("{background-color: #000}");
+  createPseudoElementWithStyle(toHide, "::after", "{content: \"publicite\"}");
+  applyElemHideEmulation(
+    [":-abp-properties-after(content: \"publicite\")"]
+  ).then(() =>
+  {
+    expectHidden(test, toHide);
+  }).catch(unexpectedError.bind(test)).then(() => test.done());
+};
+
 exports.testPseudoClassHasSelector = function(test)
 {
   let toHide = createElementWithStyle("{}");
   applyElemHideEmulation(
     ["div:-abp-has(div)"]
   ).then(() =>
   {
     expectVisible(test, toHide);
   }).catch(unexpectedError.bind(test)).then(() => test.done());
 };
@@ skipping 147 matching lines @@
   let parent = createElementWithStyle("{}");
   let child = createElementWithStyle("{background-color: #000}", parent);
   applyElemHideEmulation(
     ["div:-abp-has(:-abp-properties(background-color: rgb(0, 0, 0)))"]
   ).then(() =>
   {
     expectVisible(test, child);
     expectHidden(test, parent);
   }).catch(unexpectedError.bind(test)).then(() => test.done());
 };
+
+exports.testPseudoClassHasSelectorWithPropAfterSelector = function(test)
+{
+  let parent = createElementWithStyle("{}");
+  let child = createElementWithStyle("{background-color: #000}", parent);
+  createPseudoElementWithStyle(child, "::before", "{content: \"publicite\"}");
+
+  applyElemHideEmulation(
+    ["div:-abp-has(:-abp-properties-before(content: \"publicite\"))"]
+  ).then(() =>
+  {
+    expectVisible(test, child);
+    expectHidden(test, parent);
+  }).catch(unexpectedError.bind(test)).then(() => test.done());
+};