From ee32eb909fba4453b4dbe3cd750aa989fb927053 Mon Sep 17 00:00:00 2001
From: "jeremy@jermolene.com" <jeremy@jermolene.com>
Date: Thu, 4 Nov 2021 17:36:02 +0000
Subject: [PATCH] Add explicit test for empty result when no filter passes

---
 editions/test/tiddlers/tests/test-prefixes-filter.js | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/editions/test/tiddlers/tests/test-prefixes-filter.js b/editions/test/tiddlers/tests/test-prefixes-filter.js
index a11712426..1008f9279 100644
--- a/editions/test/tiddlers/tests/test-prefixes-filter.js
+++ b/editions/test/tiddlers/tests/test-prefixes-filter.js
@@ -291,12 +291,12 @@ describe("'reduce' and 'intersection' filter prefix tests", function() {
 	wiki.addTiddler({
 		title: "$:/filter1",
 		text: "[tag[cakes]then[It is customary]]",
-		tags: "$:/tags/Filter"
+		tags: "$:/tags/Filter $:/tags/SecondFilter"
 	});
 	wiki.addTiddler({
 		title: "$:/filter2",
 		text: "[<currentTiddler>tag[shopping]then[It is not customary]]",
-		tags: "$:/tags/Filter"
+		tags: "$:/tags/Filter $:/tags/SecondFilter"
 	});
 	wiki.addTiddler({
 		title: "$:/filter3",
@@ -307,11 +307,18 @@ describe("'reduce' and 'intersection' filter prefix tests", function() {
 		title: "$:/tags/Filter",
 		list: "$:/filter1 $:/filter2 $:/filter3"
 	});
+	wiki.addTiddler({
+		title: "$:/tags/SecondFilter",
+		list: "$:/filter1 $:/filter2"
+	});
 	
 	it("should handle the :cascade filter prefix", function() {
 		expect(wiki.filterTiddlers("[[Rice Pudding]] :cascade[all[shadows+tiddlers]tag[$:/tags/Filter]get[text]]").join(",")).toBe("It is not customary");
 		expect(wiki.filterTiddlers("[[chocolate cake]] :cascade[all[shadows+tiddlers]tag[$:/tags/Filter]get[text]]").join(",")).toBe("It is customary");
 		expect(wiki.filterTiddlers("[[Sparkling water]] :cascade[all[shadows+tiddlers]tag[$:/tags/Filter]get[text]]").join(",")).toBe("Just a default");
+		expect(wiki.filterTiddlers("[[Rice Pudding]] :cascade[all[shadows+tiddlers]tag[$:/tags/SecondFilter]get[text]]").join(",")).toBe("It is not customary");
+		expect(wiki.filterTiddlers("[[chocolate cake]] :cascade[all[shadows+tiddlers]tag[$:/tags/SecondFilter]get[text]]").join(",")).toBe("It is customary");
+		expect(wiki.filterTiddlers("[[Sparkling water]] :cascade[all[shadows+tiddlers]tag[$:/tags/SecondFilter]get[text]]").join(",")).toBe("");
 	});
 
 	it("should handle the :reduce filter prefix", function() {