Add m-esr52 at 52.6.0

1 files changed, 24 insertions, 0 deletions

diff --git a/browser/base/content/test/general/browser_removeTabsToTheEnd.js b/browser/base/content/test/general/browser_removeTabsToTheEnd.js
new file mode 100644
index 000000000..351085d74
--- /dev/null
+++ b/browser/base/content/test/general/browser_removeTabsToTheEnd.js
@@ -0,0 +1,24 @@
+/* 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/. */
+
+function test() {
+  // Add two new tabs after the original tab. Pin the first one.
+  let originalTab = gBrowser.selectedTab;
+  let newTab1 = gBrowser.addTab();
+  gBrowser.addTab();
+  gBrowser.pinTab(newTab1);
+
+  // Check that there is only one closable tab from originalTab to the end
+  is(gBrowser.getTabsToTheEndFrom(originalTab).length, 1,
+    "One unpinned tab to the right");
+
+  // Remove tabs to the end
+  gBrowser.removeTabsToTheEndFrom(originalTab);
+  is(gBrowser.tabs.length, 2, "Length is 2");
+  is(gBrowser.tabs[1], originalTab, "Starting tab is not removed");
+  is(gBrowser.tabs[0], newTab1, "Pinned tab is not removed");
+
+  // Remove pinned tab
+  gBrowser.removeTab(newTab1);
+}