1 files changed, 130 insertions, 0 deletions
diff --git a/browser/components/extensions/test/browser/browser_ext_tabs_opener.js b/browser/components/extensions/test/browser/browser_ext_tabs_opener.js
new file mode 100644
index 0000000000..f5ea6c7a27
--- /dev/null
+++ b/browser/components/extensions/test/browser/browser_ext_tabs_opener.js
@@ -0,0 +1,130 @@
+/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set sts=2 sw=2 et tw=80: */
+"use strict";
+
+add_task(async function () {
+  let tab1 = await BrowserTestUtils.openNewForegroundTab(
+    gBrowser,
+    "about:blank?1"
+  );
+  let tab2 = await BrowserTestUtils.openNewForegroundTab(
+    gBrowser,
+    "about:blank?2"
+  );
+
+  gBrowser.selectedTab = tab1;
+
+  let extension = ExtensionTestUtils.loadExtension({
+    manifest: {
+      permissions: ["tabs"],
+    },
+
+    background() {
+      let activeTab;
+      let tabId;
+      let tabIds;
+      browser.tabs
+        .query({ lastFocusedWindow: true })
+        .then(tabs => {
+          browser.test.assertEq(3, tabs.length, "We have three tabs");
+
+          browser.test.assertTrue(tabs[1].active, "Tab 1 is active");
+          activeTab = tabs[1];
+
+          tabIds = tabs.map(tab => tab.id);
+
+          return browser.tabs.create({
+            openerTabId: activeTab.id,
+            active: false,
+          });
+        })
+        .then(tab => {
+          browser.test.assertEq(
+            activeTab.id,
+            tab.openerTabId,
+            "Tab opener ID is correct"
+          );
+          browser.test.assertEq(
+            activeTab.index + 1,
+            tab.index,
+            "Tab was inserted after the related current tab"
+          );
+
+          tabId = tab.id;
+          return browser.tabs.get(tabId);
+        })
+        .then(tab => {
+          browser.test.assertEq(
+            activeTab.id,
+            tab.openerTabId,
+            "Tab opener ID is still correct"
+          );
+
+          return browser.tabs.update(tabId, { openerTabId: tabIds[0] });
+        })
+        .then(tab => {
+          browser.test.assertEq(
+            tabIds[0],
+            tab.openerTabId,
+            "Updated tab opener ID is correct"
+          );
+
+          return browser.tabs.get(tabId);
+        })
+        .then(tab => {
+          browser.test.assertEq(
+            tabIds[0],
+            tab.openerTabId,
+            "Updated tab opener ID is still correct"
+          );
+
+          return browser.tabs.create({ openerTabId: tabId, active: false });
+        })
+        .then(tab => {
+          browser.test.assertEq(
+            tabId,
+            tab.openerTabId,
+            "New tab opener ID is correct"
+          );
+          browser.test.assertEq(
+            tabIds.length,
+            tab.index,
+            "New tab was not inserted after the unrelated current tab"
+          );
+
+          let promise = browser.tabs.remove(tabId);
+
+          tabId = tab.id;
+          return promise;
+        })
+        .then(() => {
+          return browser.tabs.get(tabId);
+        })
+        .then(tab => {
+          browser.test.assertEq(
+            undefined,
+            tab.openerTabId,
+            "Tab opener ID was cleared after opener tab closed"
+          );
+
+          return browser.tabs.remove(tabId);
+        })
+        .then(() => {
+          browser.test.notifyPass("tab-opener");
+        })
+        .catch(e => {
+          browser.test.fail(`${e} :: ${e.stack}`);
+          browser.test.notifyFail("tab-opener");
+        });
+    },
+  });
+
+  await extension.startup();
+
+  await extension.awaitFinish("tab-opener");
+
+  await extension.unload();
+
+  BrowserTestUtils.removeTab(tab1);
+  BrowserTestUtils.removeTab(tab2);
+});