1 files changed, 64 insertions, 0 deletions
diff --git a/browser/components/extensions/test/browser/browser_ext_tabs_attention.js b/browser/components/extensions/test/browser/browser_ext_tabs_attention.js
new file mode 100644
index 0000000000..0f267460f3
--- /dev/null
+++ b/browser/components/extensions/test/browser/browser_ext_tabs_attention.js
@@ -0,0 +1,64 @@
+/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set sts=2 sw=2 et tw=80: */
+"use strict";
+
+add_task(async function tabsAttention() {
+  let tab1 = await BrowserTestUtils.openNewForegroundTab(
+    gBrowser,
+    "http://example.com/?2",
+    true
+  );
+  let tab2 = await BrowserTestUtils.openNewForegroundTab(
+    gBrowser,
+    "http://example.com/?1",
+    true
+  );
+  gBrowser.selectedTab = tab2;
+
+  let extension = ExtensionTestUtils.loadExtension({
+    manifest: {
+      permissions: ["tabs", "http://example.com/*"],
+    },
+
+    background: async function () {
+      function onActive(tabId, changeInfo, tab) {
+        browser.test.assertFalse(
+          changeInfo.attention,
+          "changeInfo.attention should be false"
+        );
+        browser.test.assertFalse(
+          tab.attention,
+          "tab.attention should be false"
+        );
+        browser.test.assertTrue(tab.active, "tab.active should be true");
+        browser.test.notifyPass("tabsAttention");
+      }
+
+      function onUpdated(tabId, changeInfo, tab) {
+        browser.test.assertTrue(
+          changeInfo.attention,
+          "changeInfo.attention should be true"
+        );
+        browser.test.assertTrue(tab.attention, "tab.attention should be true");
+        browser.tabs.onUpdated.removeListener(onUpdated);
+        browser.tabs.onUpdated.addListener(onActive);
+        browser.tabs.update(tabId, { active: true });
+      }
+
+      browser.tabs.onUpdated.addListener(onUpdated, {
+        properties: ["attention"],
+      });
+      const tabs = await browser.tabs.query({ index: 1 });
+      browser.tabs.executeScript(tabs[0].id, {
+        code: `alert("tab attention")`,
+      });
+    },
+  });
+
+  await extension.startup();
+  await extension.awaitFinish("tabsAttention");
+  await extension.unload();
+
+  BrowserTestUtils.removeTab(tab1);
+  BrowserTestUtils.removeTab(tab2);
+});