diff --git a/editions/test/tiddlers/tests/test-filters.js b/editions/test/tiddlers/tests/test-filters.js
index fe32ea72b..42c8767e8 100644
--- a/editions/test/tiddlers/tests/test-filters.js
+++ b/editions/test/tiddlers/tests/test-filters.js
@@ -148,6 +148,16 @@ describe("Filter tests", function() {
 		expect(wiki.filterTiddlers("[tag[one]list[TiddlerSeventh]sort[title]]").join(",")).toBe("Tiddler Three,TiddlerOne");
 	});
 
+  	it("should handle the next operator", function() {
+	    	expect(wiki.filterTiddlers("[[Tiddler Three]next[TiddlerSeventh]]").join(",")).toBe("a fourth tiddler");
+	    	expect(wiki.filterTiddlers("[[MissingTiddler]next[TiddlerSeventh]]").join(",")).toBe("");
+  	});
+
+  	it("should handle the previous operator", function() {
+    		expect(wiki.filterTiddlers("[[Tiddler Three]previous[iddlerSeventh]]").join(",")).toBe("TiddlerOne");
+    		expect(wiki.filterTiddlers("[[TiddlerOne]previous[TiddlerSeventh]]").join(",")).toBe("");
+  	});
+
 	it("should handle the search operator", function() {
 		expect(wiki.filterTiddlers("[search[the]sort[title]]").join(",")).toBe("$:/TiddlerTwo,a fourth tiddler,one,Tiddler Three,TiddlerOne");
 		expect(wiki.filterTiddlers("[search{Tiddler8}sort[title]]").join(",")).toBe("$:/TiddlerTwo,a fourth tiddler,one,Tiddler Three,TiddlerOne");