1 files changed, 72 insertions, 0 deletions
diff --git a/browser/base/content/test/popupNotifications/browser_reshow_in_background.js b/browser/base/content/test/popupNotifications/browser_reshow_in_background.js
new file mode 100644
index 0000000000..bb2494a5b5
--- /dev/null
+++ b/browser/base/content/test/popupNotifications/browser_reshow_in_background.js
@@ -0,0 +1,72 @@
+"use strict";
+
+/**
+ * Tests that when PopupNotifications for background tabs are reshown, they
+ * don't show up in the foreground tab, but only in the background tab that
+ * they belong to.
+ */
+add_task(
+  async function test_background_notifications_dont_reshow_in_foreground() {
+    // Our initial tab will be A. Let's open two more tabs B and C, but keep
+    // A selected. Then, we'll trigger a PopupNotification in C, and then make
+    // it reshow.
+    // eslint-disable-next-line @microsoft/sdl/no-insecure-url
+    let tabB = BrowserTestUtils.addTab(gBrowser, "http://example.com/");
+    await BrowserTestUtils.browserLoaded(tabB.linkedBrowser);
+
+    // eslint-disable-next-line @microsoft/sdl/no-insecure-url
+    let tabC = BrowserTestUtils.addTab(gBrowser, "http://example.com/");
+    await BrowserTestUtils.browserLoaded(tabC.linkedBrowser);
+
+    let seenEvents = [];
+
+    let options = {
+      dismissed: false,
+      eventCallback(popupEvent) {
+        seenEvents.push(popupEvent);
+      },
+    };
+
+    let notification = PopupNotifications.show(
+      tabC.linkedBrowser,
+      "test-notification",
+      "",
+      "plugins-notification-icon",
+      null,
+      null,
+      options
+    );
+    Assert.deepEqual(seenEvents, [], "Should have seen no events yet.");
+
+    await BrowserTestUtils.switchTab(gBrowser, tabB);
+    Assert.deepEqual(seenEvents, [], "Should have seen no events yet.");
+
+    notification.reshow();
+    Assert.deepEqual(seenEvents, [], "Should have seen no events yet.");
+
+    let panelShown = BrowserTestUtils.waitForEvent(
+      PopupNotifications.panel,
+      "popupshown"
+    );
+    await BrowserTestUtils.switchTab(gBrowser, tabC);
+    await panelShown;
+
+    Assert.equal(seenEvents.length, 2, "Should have seen two events.");
+    Assert.equal(
+      seenEvents[0],
+      "showing",
+      "Should have said popup was showing."
+    );
+    Assert.equal(seenEvents[1], "shown", "Should have said popup was shown.");
+
+    let panelHidden = BrowserTestUtils.waitForEvent(
+      PopupNotifications.panel,
+      "popuphidden"
+    );
+    PopupNotifications.remove(notification);
+    await panelHidden;
+
+    BrowserTestUtils.removeTab(tabB);
+    BrowserTestUtils.removeTab(tabC);
+  }
+);