1 files changed, 24 insertions, 0 deletions
diff --git a/browser/base/content/test/favicons/browser_rooticon.js b/browser/base/content/test/favicons/browser_rooticon.js
new file mode 100644
index 0000000000..6e642070c7
--- /dev/null
+++ b/browser/base/content/test/favicons/browser_rooticon.js
@@ -0,0 +1,24 @@
+add_task(async () => {
+  const testPath =
+    // eslint-disable-next-line @microsoft/sdl/no-insecure-url
+    "http://example.com/browser/browser/base/content/test/favicons/blank.html";
+  // eslint-disable-next-line @microsoft/sdl/no-insecure-url
+  const expectedIcon = "http://example.com/favicon.ico";
+
+  let tab = BrowserTestUtils.addTab(gBrowser, testPath);
+  gBrowser.selectedTab = tab;
+  let browser = tab.linkedBrowser;
+
+  let faviconPromise = waitForLinkAvailable(browser);
+  await BrowserTestUtils.browserLoaded(browser);
+  let iconURI = await faviconPromise;
+  is(iconURI, expectedIcon, "Got correct initial icon.");
+
+  faviconPromise = waitForLinkAvailable(browser);
+  BrowserTestUtils.loadURIString(browser, testPath);
+  await BrowserTestUtils.browserLoaded(browser);
+  iconURI = await faviconPromise;
+  is(iconURI, expectedIcon, "Got correct icon on second load.");
+
+  BrowserTestUtils.removeTab(tab);
+});