Issue 5142 - Convert Element Hiding to C++

test/elemHideEmulation.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present 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 19 matching lines @@
   (
     {Filter,
      ElemHideEmulationFilter} = sandboxedRequire("../lib/filterClasses"),
     {ElemHideEmulation} = sandboxedRequire("../lib/elemHideEmulation"),
     {ElemHide} = sandboxedRequire("../lib/elemHide")
   );
 
   callback();
 };
 
+
+exports.testElemHideAPI = function(test)
+{
+  {
+    let filter = Filter.fromText("###ads");
+    ElemHide.add(filter);
+
+    test.equal(filter.selectorDomain, "");
+    let unconditionals = ElemHide.getUnconditionalSelectors();
+    test.equal(unconditionals.selectorCount, 1);
+    test.equal(unconditionals.selectorAt(0), "#ads");
+    test.equal(unconditionals.filterKeyAt(0), "###ads");
+    filter.delete();
+  }
+
+  {
+    let filter2 = Filter.fromText("example.com##.foo");
+    ElemHide.add(filter2);
+    test.equal(filter2.selectorDomain, "example.com");
+    filter2.delete();
+  }
+
+  let unconditionals = ElemHide.getUnconditionalSelectors();
+  test.equal(unconditionals.selectorCount, 1);
+
+  let selectors = ElemHide.getSelectorsForDomain("example.com", 1);
+  test.equal(selectors.selectorCount, 1);
+  test.equal(selectors.selectorAt(0), ".foo");
+  test.equal(selectors.filterKeyAt(0), "example.com##.foo");
+
+  selectors = ElemHide.getSelectorsForDomain("example.com", 0);
+  test.equal(selectors.selectorCount, 2);
+  test.equal(selectors.selectorAt(0), "#ads");
+  test.equal(selectors.filterKeyAt(0), "###ads");
+  test.equal(selectors.selectorAt(1), ".foo");
+  test.equal(selectors.filterKeyAt(1), "example.com##.foo");
+
+  let filter3 = Filter.fromText("example.com##.message");
+  ElemHide.add(filter3);
+  selectors = ElemHide.getSelectorsForDomain("example.com", 0);
+  test.equal(selectors.selectorCount, 3);
+  selectors = ElemHide.getSelectorsForDomain("mail.example.com", 0);
+  test.equal(selectors.selectorCount, 3);
+
+  let filter4 = Filter.fromText("mail.example.com#@#.message");
+  ElemHide.add(filter4);
+  selectors = ElemHide.getSelectorsForDomain("example.com", 0);
+  test.equal(selectors.selectorCount, 3);
+  selectors = ElemHide.getSelectorsForDomain("mail.example.com", 0);
+  test.equal(selectors.selectorCount, 2);
+
+  unconditionals = ElemHide.getUnconditionalSelectors();
+  test.equal(unconditionals.selectorCount, 1);
+
+  ElemHide.remove(filter4);
+  filter4.delete();
+  selectors = ElemHide.getSelectorsForDomain("example.com", 0);
+  test.equal(selectors.selectorCount, 3);
+  selectors = ElemHide.getSelectorsForDomain("mail.example.com", 0);
+  test.equal(selectors.selectorCount, 3);
+
+  ElemHide.remove(filter3);
+  filter3.delete();
+  selectors = ElemHide.getSelectorsForDomain("example.com", 0);
+  test.equal(selectors.selectorCount, 2);
+
+  test.done();
+};
+
 exports.testDomainRestrictions = function(test)
 {
   function testSelectorMatches(description, filters, domain, expectedMatches)
   {
-    for (let filter of filters)
+    for (let text of filters)
     {
-      filter = Filter.fromText(filter);
+      let filter = Filter.fromText(text);
       if (filter instanceof ElemHideEmulationFilter)
         ElemHideEmulation.add(filter);
       else
         ElemHide.add(filter);
+      filter.delete();
     }
-
     let matches = ElemHideEmulation.getRulesForDomain(domain)
         .map(filter => filter.text);
     test.deepEqual(matches.sort(), expectedMatches.sort(), description);
 
     ElemHideEmulation.clear();
     ElemHide.clear();
   }
 
   testSelectorMatches(
     "Ignore generic filters",
@@ skipping 76 matching lines @@
 
   ElemHideEmulation.clear();
   compareRules(
     "Return no filters after clearing",
     "www.example.com",
     []
   );
 
   test.done();
 };