1 files changed, 63 insertions, 0 deletions
diff --git a/browser/components/urlbar/tests/browser/browser_switchToTab_closes_newtab.js b/browser/components/urlbar/tests/browser/browser_switchToTab_closes_newtab.js
new file mode 100644
index 0000000000..5031491d7e
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+++ b/browser/components/urlbar/tests/browser/browser_switchToTab_closes_newtab.js
@@ -0,0 +1,63 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/**
+ * This tests that switch to tab from a blank tab switches and then closes
+ * the blank tab.
+ */
+
+"use strict";
+
+add_task(async function test_switchToTab_closes() {
+  let testURL =
+    "http://example.org/browser/browser/components/urlbar/tests/browser/dummy_page.html";
+
+  // Open the base tab
+  let baseTab = await BrowserTestUtils.openNewForegroundTab(gBrowser, testURL);
+
+  if (baseTab.linkedBrowser.currentURI.spec == "about:blank") {
+    return;
+  }
+
+  // Open a blank tab to start the test from.
+  let testTab = await BrowserTestUtils.openNewForegroundTab(gBrowser);
+
+  // Functions for TabClose and TabSelect
+  let tabClosePromise = BrowserTestUtils.waitForEvent(
+    gBrowser.tabContainer,
+    "TabClose",
+    false,
+    event => {
+      return event.originalTarget == testTab;
+    }
+  );
+  let tabSelectPromise = BrowserTestUtils.waitForEvent(
+    gBrowser.tabContainer,
+    "TabSelect",
+    false,
+    event => {
+      return event.originalTarget == baseTab;
+    }
+  );
+
+  await UrlbarTestUtils.promiseAutocompleteResultPopup({
+    window,
+    value: "dummy",
+  });
+
+  // The first result is the heuristic, the second will be the switch to tab.
+  let element = await UrlbarTestUtils.waitForAutocompleteResultAt(window, 1);
+  EventUtils.synthesizeMouseAtCenter(element, {}, window);
+
+  await Promise.all([tabSelectPromise, tabClosePromise]);
+
+  // Confirm that the selected tab is now the base tab
+  Assert.equal(
+    gBrowser.selectedTab,
+    baseTab,
+    "Should have switched to the correct tab"
+  );
+
+  gBrowser.removeTab(baseTab);
+});