1 files changed, 35 insertions, 0 deletions
diff --git a/browser/components/extensions/test/browser/browser_ext_tabs_onCreated.js b/browser/components/extensions/test/browser/browser_ext_tabs_onCreated.js
new file mode 100644
index 0000000000..b48047abde
--- /dev/null
+++ b/browser/components/extensions/test/browser/browser_ext_tabs_onCreated.js
@@ -0,0 +1,35 @@
+/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set sts=2 sw=2 et tw=80: */
+/* eslint-disable mozilla/no-arbitrary-setTimeout */
+"use strict";
+
+add_task(async function test_onCreated_active() {
+  let extension = ExtensionTestUtils.loadExtension({
+    manifest: {
+      permissions: ["tabs"],
+    },
+    async background() {
+      browser.tabs.onCreated.addListener(tab => {
+        browser.tabs.remove(tab.id);
+        browser.test.sendMessage("onCreated", tab);
+      });
+      browser.tabs.onUpdated.addListener((tabId, changes, tab) => {
+        browser.test.assertEq(
+          '["status"]',
+          JSON.stringify(Object.keys(changes)),
+          "Should get no update other than 'status' during tab creation."
+        );
+      });
+      browser.test.sendMessage("ready");
+    },
+  });
+
+  await extension.startup();
+  await extension.awaitMessage("ready");
+  BrowserOpenTab();
+
+  let tab = await extension.awaitMessage("onCreated");
+  is(true, tab.active, "Tab should be active");
+
+  await extension.unload();
+});