1 files changed, 60 insertions, 0 deletions
diff --git a/browser/base/content/test/tabs/browser_multiselect_tabs_using_Ctrl.js b/browser/base/content/test/tabs/browser_multiselect_tabs_using_Ctrl.js
new file mode 100644
index 0000000000..93a14a87a7
--- /dev/null
+++ b/browser/base/content/test/tabs/browser_multiselect_tabs_using_Ctrl.js
@@ -0,0 +1,60 @@
+add_task(async function click() {
+  const initialFocusedTab = await addTab();
+  await BrowserTestUtils.switchTab(gBrowser, initialFocusedTab);
+  const tab = await addTab();
+
+  await triggerClickOn(tab, { ctrlKey: true });
+  ok(
+    tab.multiselected && gBrowser._multiSelectedTabsSet.has(tab),
+    "Tab should be (multi) selected after click"
+  );
+  isnot(gBrowser.selectedTab, tab, "Multi-selected tab is not focused");
+  is(gBrowser.selectedTab, initialFocusedTab, "Focused tab doesn't change");
+
+  await triggerClickOn(tab, { ctrlKey: true });
+  ok(
+    !tab.multiselected && !gBrowser._multiSelectedTabsSet.has(tab),
+    "Tab is not (multi) selected anymore"
+  );
+  is(
+    gBrowser.selectedTab,
+    initialFocusedTab,
+    "Focused tab still doesn't change"
+  );
+
+  BrowserTestUtils.removeTab(initialFocusedTab);
+  BrowserTestUtils.removeTab(tab);
+});
+
+add_task(async function clearSelection() {
+  const tab1 = await addTab();
+  const tab2 = await addTab();
+  const tab3 = await addTab();
+
+  await BrowserTestUtils.switchTab(gBrowser, tab1);
+  info("We multi-select tab2 with ctrl key down");
+  await triggerClickOn(tab2, { ctrlKey: true });
+
+  ok(
+    tab1.multiselected && gBrowser._multiSelectedTabsSet.has(tab1),
+    "Tab1 is (multi) selected"
+  );
+  ok(
+    tab2.multiselected && gBrowser._multiSelectedTabsSet.has(tab2),
+    "Tab2 is (multi) selected"
+  );
+  is(gBrowser.multiSelectedTabsCount, 2, "Two tabs (multi) selected");
+  isnot(tab3, gBrowser.selectedTab, "Tab3 doesn't have focus");
+
+  info("We select tab3 with Ctrl key up");
+  await triggerClickOn(tab3, { ctrlKey: false });
+
+  ok(!tab1.multiselected, "Tab1 is not (multi) selected");
+  ok(!tab2.multiselected, "Tab2 is not (multi) selected");
+  is(gBrowser.multiSelectedTabsCount, 0, "Multi-selection is cleared");
+  is(tab3, gBrowser.selectedTab, "Tab3 has focus");
+
+  BrowserTestUtils.removeTab(tab1);
+  BrowserTestUtils.removeTab(tab2);
+  BrowserTestUtils.removeTab(tab3);
+});