From 74471651c79efceab7eb8b5aa0cfc2cc6085b531 Mon Sep 17 00:00:00 2001
From: Jonas Jenwald <jonas.jenwald@gmail.com>
Date: Thu, 21 May 2026 14:03:32 +0200
Subject: [PATCH] Extend unit-test coverage for the `getPdfFilenameFromUrl`
 helper function

Currently there's a couple of branches, specifically for dealing with corrupt URLs, that are not covered by tests.
---
 test/unit/display_utils_spec.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/test/unit/display_utils_spec.js b/test/unit/display_utils_spec.js
index 0859107ad..c1b591ec3 100644
--- a/test/unit/display_utils_spec.js
+++ b/test/unit/display_utils_spec.js
@@ -151,6 +151,9 @@ describe("display_utils", function () {
       expect(getPdfFilenameFromUrl("/pdfs/%AA.pdf")).toEqual("%AA.pdf");
 
       expect(getPdfFilenameFromUrl("/pdfs/%2F.pdf")).toEqual("%2F.pdf");
+
+      // A corrupt relative URL.
+      expect(getPdfFilenameFromUrl("//%%file.pdf")).toEqual("document.pdf");
     });
 
     it("gets PDF filename from (some) standard protocols", function () {