1 files changed, 58 insertions, 0 deletions
diff --git a/browser/base/content/test/tabs/browser_pinnedTabs_clickOpen.js b/browser/base/content/test/tabs/browser_pinnedTabs_clickOpen.js
new file mode 100644
index 0000000000..04420814b0
--- /dev/null
+++ b/browser/base/content/test/tabs/browser_pinnedTabs_clickOpen.js
@@ -0,0 +1,58 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+function index(tab) {
+  return Array.prototype.indexOf.call(gBrowser.tabs, tab);
+}
+
+async function testNewTabPosition(expectedPosition, modifiers = {}) {
+  let opening = BrowserTestUtils.waitForNewTab(
+    gBrowser,
+    "http://mochi.test:8888/"
+  );
+  BrowserTestUtils.synthesizeMouseAtCenter(
+    "#link",
+    modifiers,
+    gBrowser.selectedBrowser
+  );
+  let newtab = await opening;
+  is(index(newtab), expectedPosition, "clicked tab is in correct position");
+  return newtab;
+}
+
+// Test that a tab opened from a pinned tab is not in the pinned region.
+add_task(async function test_pinned_content_click() {
+  let testUri =
+    'data:text/html;charset=utf-8,<a href="http://mochi.test:8888/" target="_blank" id="link">link</a>';
+  let tabs = [
+    gBrowser.selectedTab,
+    await BrowserTestUtils.openNewForegroundTab(gBrowser, testUri),
+    BrowserTestUtils.addTab(gBrowser),
+  ];
+  gBrowser.pinTab(tabs[1]);
+  gBrowser.pinTab(tabs[2]);
+
+  // First test new active tabs open at the start of non-pinned tabstrip.
+  let newtab1 = await testNewTabPosition(2);
+  // Switch back to our test tab.
+  await BrowserTestUtils.switchTab(gBrowser, tabs[1]);
+  let newtab2 = await testNewTabPosition(2);
+
+  gBrowser.removeTab(newtab1);
+  gBrowser.removeTab(newtab2);
+
+  // Second test new background tabs open in order.
+  let modifiers =
+    AppConstants.platform == "macosx" ? { metaKey: true } : { ctrlKey: true };
+  await BrowserTestUtils.switchTab(gBrowser, tabs[1]);
+
+  newtab1 = await testNewTabPosition(2, modifiers);
+  newtab2 = await testNewTabPosition(3, modifiers);
+
+  gBrowser.removeTab(tabs[1]);
+  gBrowser.removeTab(tabs[2]);
+  gBrowser.removeTab(newtab1);
+  gBrowser.removeTab(newtab2);
+});