Issue 4327 - Do not apply $subdocument filters to top-level documents

test/abp2blocklist.js

Index: test/abp2blocklist.js
===================================================================
--- a/test/abp2blocklist.js
+++ b/test/abp2blocklist.js
@@ -82,34 +82,40 @@
     test.done();
   },
 
   testRequestFilters: function(test)
   {
     testRules(test, ["/foo", "||test.com", "http://example.com/foo"], [
       {trigger: {"url-filter": "^https?://.*/foo",
                  "resource-type": ["image", "style-sheet", "script", "font",
-                                   "media", "raw", "document"]},
+                                   "media", "raw", "document"],
+                 "unless-top-url": ["^https?://.*/foo"]},
        action: {type: "block"}},
       {trigger: {"url-filter": "^https?://([^/]+\\.)?test\\.com",
                  "url-filter-is-case-sensitive": true,
                  "resource-type": ["image", "style-sheet", "script", "font",
-                                   "media", "raw", "document"]},
+                                   "media", "raw", "document"],
+                 "unless-top-url": ["^https?://([^/]+\\.)?test\\.com"],
+                 "top-url-filter-is-case-sensitive": true},
        action: {type: "block"}},
       {trigger: {"url-filter": "http://example\\.com/foo",
                  "resource-type": ["image", "style-sheet", "script", "font",
-                                   "media", "raw", "document"]},
+                                   "media", "raw", "document"],
+                 "unless-top-url": ["http://example\\.com/foo"]},
        action: {type: "block"}}
     ]);
 
     testRules(test, ["||example.com"], [
       {trigger: {"url-filter": "^https?://([^/]+\\.)?example\\.com",
                  "url-filter-is-case-sensitive": true,
                  "resource-type": ["image", "style-sheet", "script", "font",
-                                   "media", "raw", "document"]},
+                                   "media", "raw", "document"],
+                 "unless-top-url": ["^https?://([^/]+\\.)?example\\.com"],
+                 "top-url-filter-is-case-sensitive": true},
 
        action: {type: "block"}}
     ]);
 
     // Rules which would match no resource-types shouldn't be generated.
     testRules(test, ["foo$document", "||foo.com$document"], []);
 
     test.done();