Issue 5249 - Implement :-abp-contains()

test/browser/elemHideEmulation.js

Index: test/browser/elemHideEmulation.js
===================================================================
--- a/test/browser/elemHideEmulation.js
+++ b/test/browser/elemHideEmulation.js
@@ -15,17 +15,17 @@
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 "use strict";
 
 /* globals ElemHideEmulation, splitSelector,
    parseSelectorContent,
    parseSelector, positionInParent, makeSelector,
-   PlainSelector, HasSelector, PropsSelector */
+   PlainSelector, HasSelector, PropsSelector, ContainsSelector */
 
 let myUrl = document.currentScript.src;
 
 exports.tearDown = function(callback)
 {
   let styleElements = document.head.getElementsByTagName("style");
   while (styleElements.length)
     styleElements[0].parentNode.removeChild(styleElements[0]);
@@ -205,16 +205,28 @@
     test.ok(selectors[1] instanceof HasSelector);
     test.ok(selectors[2] instanceof PlainSelector);
     test.ok(selectors[3] instanceof PropsSelector);
 
     selector = "div > :-abp-has(> div.inside > :-abp-properties(background-color: rgb(0, 0, 0))";
     selectors = parseSelector(selector);
     test.equal(selectors, null);
 
+    selector = 'div[arial-label="Story"]:-abp-has(> div > div > span > span:-abp-contains(Suggested Post))';
+    selectors = parseSelector(selector);
+    test.equal(selectors.length, 2);
+    test.ok(selectors[0] instanceof PlainSelector);
+    test.ok(selectors[1] instanceof HasSelector);
+
+    selectors = selectors[1]._innerSelectors;
+    test.equals(selectors.length, 2);
+    test.ok(selectors[0] instanceof PlainSelector);
+    test.ok(selectors[1] instanceof ContainsSelector);
+    test.equals(selectors[1]._text, "Suggested Post");
+
     // -abp-has-unsupported() is unknown. Ensure we fail parsing.
     selector = 'div[arial-label="Story"]:-abp-has(> div > div > span > span:-abp-unsupported("Suggested Post"))';
     selectors = parseSelector(selector);
     test.equal(selectors, null);
   }).catch(unexpectedError.bind(test)).then(() => test.done());
 };
 
 function buildDom(doc)
@@ -305,16 +317,39 @@
     test.ok(value.done);
 
     selector = new HasSelector(":-abp-has(> div.inside)");
 
     test.ok(selector._innerSelectors);
   }).catch(unexpectedError.bind(test)).then(() => test.done());
 };
 
+exports.testContainsSelector = function(test)
+{
+  let {toHide} = buildDom(document);
+
+  loadElemHideEmulation().then(() =>
+  {
+    let selector = new ContainsSelector("to hide");
+
+    let iter = selector.getSelectors("", document, document.sheet);
+    let value = iter.next();
+    test.ok(!value.done);
+    test.equal(value.value[0],
+               ":root > BODY:nth-child(2) > DIV:nth-child(1) > DIV:nth-child(2) > DIV:nth-child(1)");
+
+    iter = selector.getElements("", document, document.sheet);
+    value = iter.next();
+    test.ok(!value.done);
+    test.equal(value.value, toHide);
+    value = iter.next();
+    test.ok(value.done);
+  }).catch(unexpectedError.bind(test)).then(() => test.done());
+};
+
 exports.testSplitStyleRule = function(test)
 {
   loadElemHideEmulation().then(() =>
   {
     let selectors = splitSelector("div:-abp-has(div) > [-abp-properties='background-color: rgb(0, 0, 0)'] > span");
     test.ok(selectors);
     test.equal(selectors.length, 1, "There is only one selector");