diff --git a/test/specificity/filters_and_ids.mss b/test/specificity/filters_and_ids.mss
new file mode 100644
index 0000000..e9b271b
--- /dev/null
+++ b/test/specificity/filters_and_ids.mss
@@ -0,0 +1,7 @@
+#world [NAME='Canada'] {}
+#world [NAME='United States'] {
+  [zoom > 5] {}
+}
+#world #countries [NAME='United States'] {}
+[NAME='United States'] {}
+[zoom > 5] {}
\ No newline at end of file
diff --git a/test/specificity/filters_and_ids.result b/test/specificity/filters_and_ids.result
new file mode 100644
index 0000000..65394dc
--- /dev/null
+++ b/test/specificity/filters_and_ids.result
@@ -0,0 +1,8 @@
+[
+    {"elements":["#world","#countries"],"filters":[{"key":"NAME","op":{"value":"="},"val":{"value":"United States","quote":"'","is":"string"}}]},
+    {"elements":["#world"],"filters":[{"key":"NAME","op":{"value":"="},"val":{"value":"United States","quote":"'","is":"string"}},{"key":"zoom","op":{"value":">"},"val":5,"zoom_range":[false,false,false,false,false,false,true,true,true,true,true,true,true,true,true,true,true,true,true,true,true,true]}]},
+    {"elements":["#world"],"filters":[{"key":"NAME","op":{"value":"="},"val":{"value":"United States","quote":"'","is":"string"}}]},
+    {"elements":["#world"],"filters":[{"key":"NAME","op":{"value":"="},"val":{"value":"Canada","quote":"'","is":"string"}}]},
+    {"elements":[],"filters":[{"key":"zoom","op":{"value":">"},"val":5,"zoom_range":[false,false,false,false,false,false,true,true,true,true,true,true,true,true,true,true,true,true,true,true,true,true]}]},
+    {"elements":[],"filters":[{"key":"NAME","op":{"value":"="},"val":{"value":"United States","quote":"'","is":"string"}}]}
+]
\ No newline at end of file