Issue 5174 - Allow '{' and '}' in selectors

test/filterClasses.js

Index: test/filterClasses.js
===================================================================
--- a/test/filterClasses.js
+++ b/test/filterClasses.js
@@ -62,17 +62,17 @@
     ["#@#asdf", ElemHideException, "elemhideexception"],
     ["foobar##asdf", ElemHideFilter, "elemhide"],
     ["foobar#@#asdf", ElemHideException, "elemhideexception"],
     ["foobar##a", ElemHideFilter, "elemhide"],
     ["foobar#@#a", ElemHideException, "elemhideexception"],
 
     ["foobar#asdf", BlockingFilter, "blocking"],
     ["foobar|foobas##asdf", BlockingFilter, "blocking"],
-    ["foobar##asdf{asdf}", BlockingFilter, "blocking"],
+    ["foobar##asdf{asdf}", ElemHideFilter, "elemhide"],
     ["foobar##", BlockingFilter, "blocking"],
     ["foobar#@#", BlockingFilter, "blocking"],
     ["asdf$foobar", InvalidFilter, "invalid"],
     ["asdf$image,foobar", InvalidFilter, "invalid"],
     ["asdf$image=foobar", BlockingFilter, "blocking"],
     ["asdf$image=foobar=xyz,~collapse", BlockingFilter, "blocking"],
 
     ["##foo[-abp-properties='something']bar", InvalidFilter, "invalid"],
@@ -376,16 +376,31 @@
   {
     doTest(text, selector, selectorDomain);
     doTest(text.replace("##", "#@#"), selector, selectorDomain);
   }
 
   test.done();
 };
 
+exports.testElemHideRulesWithBraces = function(test)
+{
+  let filter = Filter.fromText("###foo{color: red}");
+  test.equal(filter.type, "elemhide");
+  test.equal(filter.selector, "#foo\\7B color: red\\7D ");
+  filter.delete();
+
+  filter = Filter.fromText("foo.com##[-abp-properties='/margin: [3-4]{2}/']");
+  test.equal(filter.type, "elemhideemulation");
+  test.equal(filter.selector, "[-abp-properties='/margin: [3-4]\\7B 2\\7D /']");
+  filter.delete();
+
+  test.done();
+};
+
 exports.testNotifications = function(test)
 {
   function checkNotifications(action, expected, message)
   {
     let result = null;
     let listener = (topic, filter) =>
     {
       if (result)