1 files changed, 72 insertions, 0 deletions
diff --git a/browser/components/extensions/test/browser/browser_ext_reload_manifest_cache.js b/browser/components/extensions/test/browser/browser_ext_reload_manifest_cache.js
new file mode 100644
index 0000000000..aefa8f42f5
--- /dev/null
+++ b/browser/components/extensions/test/browser/browser_ext_reload_manifest_cache.js
@@ -0,0 +1,72 @@
+"use strict";
+
+const { ExtensionPermissions } = ChromeUtils.importESModule(
+  "resource://gre/modules/ExtensionPermissions.sys.mjs"
+);
+
+add_task(async function test_reload_manifest_startupcache() {
+  const id = "id@tests.mozilla.org";
+
+  let ext = ExtensionTestUtils.loadExtension({
+    manifest: {
+      browser_specific_settings: {
+        gecko: { id },
+      },
+      options_ui: {
+        open_in_tab: true,
+        page: "options.html",
+      },
+      optional_permissions: ["<all_urls>"],
+    },
+    useAddonManager: "temporary",
+    files: {
+      "options.html": `lol`,
+    },
+    background() {
+      browser.runtime.openOptionsPage();
+      browser.permissions.onAdded.addListener(() => {
+        browser.runtime.openOptionsPage();
+      });
+    },
+  });
+
+  async function waitOptionsTab() {
+    let tab = await BrowserTestUtils.waitForNewTab(gBrowser, url =>
+      url.endsWith("options.html")
+    );
+    BrowserTestUtils.removeTab(tab);
+  }
+
+  // Open a non-blank tab to force options to open a new tab.
+  let tab = await BrowserTestUtils.openNewForegroundTab(
+    gBrowser,
+    "https://example.com/"
+  );
+  let optionsTabPromise = waitOptionsTab();
+
+  await ext.startup();
+  await optionsTabPromise;
+
+  let disabledPromise = awaitEvent("shutdown", id);
+  let enabledPromise = awaitEvent("ready", id);
+  optionsTabPromise = waitOptionsTab();
+
+  let addon = await AddonManager.getAddonByID(id);
+  await addon.reload();
+
+  await Promise.all([disabledPromise, enabledPromise, optionsTabPromise]);
+
+  optionsTabPromise = waitOptionsTab();
+  ExtensionPermissions.add(id, {
+    permissions: [],
+    origins: ["<all_urls>"],
+  });
+  await optionsTabPromise;
+
+  let policy = WebExtensionPolicy.getByID(id);
+  let optionsUrl = policy.extension.manifest.options_ui.page;
+  ok(optionsUrl.includes(policy.mozExtensionHostname), "Normalized manifest.");
+
+  await BrowserTestUtils.removeTab(tab);
+  await ext.unload();
+});