Issue 4329 - Add $genericblock support

test/abp2blocklist.js

Index: test/abp2blocklist.js
===================================================================
--- a/test/abp2blocklist.js
+++ b/test/abp2blocklist.js
@@ -165,16 +165,36 @@
       {trigger: {"url-filter": "^https?://([^/]+\\.)?example\\.com/path",
                  "resource-type": ["font"]},
        action: {type: "ignore-previous-rules"}}
     ]);
 
     test.done();
   },
 
+  testGenericblockExceptions: function(test)
+  {
+    testRules(test, ["^ad.jpg|", "@@||example.com^$genericblock"],
+              [[undefined, ["*example.com"]]],
+              rules => rules.map(rule => [rule.trigger["if-domain"],
+                                          rule.trigger["unless-domain"]]));
+    testRules(test, ["^ad.jpg|$domain=test.com",
+                     "@@||example.com^$genericblock"],
+              [[["*test.com"], undefined]],
+              rules => rules.map(rule => [rule.trigger["if-domain"],
+                                          rule.trigger["unless-domain"]]));
+    testRules(test, ["^ad.jpg|$domain=~test.com",
+                     "@@||example.com^$genericblock"],
+              [[undefined, ["*test.com", "*example.com"]]],
+              rules => rules.map(rule => [rule.trigger["if-domain"],
+                                          rule.trigger["unless-domain"]]));
+
+    test.done();
+  },
+
   testRuleOrdering: function(test)
   {
     testRules(
       test,
       ["/ads.jpg", "@@example.com", "test.com#@#foo", "##bar"],
       ["css-display-none", "block", "ignore-previous-rules"],
       rules => rules.map(rule => rule.action.type)
     );
@@ -216,17 +236,17 @@
     );
 
     test.done();
   },
 
   testUnsupportedfilters: function(test)
   {
     // These types of filters are currently completely unsupported.
-    testRules(test, ["foo$sitekey=bar", "@@foo$genericblock"], []);
+    testRules(test, ["foo$sitekey=bar"], []);
 
     test.done();
   },
 
   testFilterOptions: function(test)
   {
     testRules(test, ["1$domain=foo.com"], ["*foo.com"],
               rules => rules[0]["trigger"]["if-domain"]);