1 files changed, 31 insertions, 0 deletions
diff --git a/browser/components/preferences/tests/browser_homepage_default.js b/browser/components/preferences/tests/browser_homepage_default.js
new file mode 100644
index 0000000000..e3fcdcec5e
--- /dev/null
+++ b/browser/components/preferences/tests/browser_homepage_default.js
@@ -0,0 +1,31 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+add_task(async function default_homepage_test() {
+  await SpecialPowers.pushPrefEnv({
+    set: [["browser.startup.page", 1]],
+  });
+  let defaults = Services.prefs.getDefaultBranch("");
+  // Simulate a homepage set via policy or a distribution.
+  defaults.setStringPref("browser.startup.homepage", "https://example.com");
+
+  await openPreferencesViaOpenPreferencesAPI("paneHome", { leaveOpen: true });
+
+  let doc = gBrowser.contentDocument;
+  let homeMode = doc.getElementById("homeMode");
+  Assert.equal(homeMode.value, 2, "homeMode should be 2 (Custom URL)");
+
+  let homePageUrl = doc.getElementById("homePageUrl");
+  Assert.equal(
+    homePageUrl.value,
+    "https://example.com",
+    "homePageUrl should be example.com"
+  );
+
+  registerCleanupFunction(async () => {
+    defaults.setStringPref("browser.startup.homepage", "about:home");
+    BrowserTestUtils.removeTab(gBrowser.selectedTab);
+  });
+});