1 files changed, 27 insertions, 0 deletions
diff --git a/comm/mail/base/test/webextensions/browser_permissions_installTrigger.js b/comm/mail/base/test/webextensions/browser_permissions_installTrigger.js
new file mode 100644
index 0000000000..37f8117ab3
--- /dev/null
+++ b/comm/mail/base/test/webextensions/browser_permissions_installTrigger.js
@@ -0,0 +1,27 @@
+"use strict";
+
+const INSTALL_PAGE = `${BASE}/file_install_extensions.html`;
+
+async function installTrigger(filename) {
+  await SpecialPowers.pushPrefEnv({
+    set: [
+      ["extensions.InstallTrigger.enabled", true],
+      ["extensions.InstallTriggerImpl.enabled", true],
+      // Relax the user input requirements while running this test.
+      ["xpinstall.userActivation.required", false],
+    ],
+  });
+  let gBrowser = document.getElementById("tabmail");
+  BrowserTestUtils.loadURIString(gBrowser.selectedBrowser, INSTALL_PAGE);
+  await BrowserTestUtils.browserLoaded(gBrowser.selectedBrowser);
+
+  SpecialPowers.spawn(
+    gBrowser.selectedBrowser,
+    [`${BASE}/${filename}`],
+    async function (url) {
+      content.wrappedJSObject.installTrigger(url);
+    }
+  );
+}
+
+add_task(() => testInstallMethod(installTrigger));