1 files changed, 74 insertions, 0 deletions
diff --git a/browser/base/content/test/protectionsUI/browser_protectionsUI_background_tabs.js b/browser/base/content/test/protectionsUI/browser_protectionsUI_background_tabs.js
new file mode 100644
index 0000000000..24a83c9588
--- /dev/null
+++ b/browser/base/content/test/protectionsUI/browser_protectionsUI_background_tabs.js
@@ -0,0 +1,74 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const TRACKING_PAGE =
+  // eslint-disable-next-line @microsoft/sdl/no-insecure-url
+  "http://tracking.example.org/browser/browser/base/content/test/protectionsUI/trackingPage.html";
+const BENIGN_PAGE =
+  // eslint-disable-next-line @microsoft/sdl/no-insecure-url
+  "http://tracking.example.org/browser/browser/base/content/test/protectionsUI/benignPage.html";
+
+const TP_PREF = "privacy.trackingprotection.enabled";
+
+add_task(async function testBackgroundTabs() {
+  info(
+    "Testing receiving and storing content blocking events in non-selected tabs."
+  );
+
+  await SpecialPowers.pushPrefEnv({
+    set: [[TP_PREF, true]],
+  });
+  await UrlClassifierTestUtils.addTestTrackers();
+
+  registerCleanupFunction(() => {
+    UrlClassifierTestUtils.cleanupTestTrackers();
+  });
+
+  let tab = await BrowserTestUtils.openNewForegroundTab(gBrowser, BENIGN_PAGE);
+
+  let backgroundTab = BrowserTestUtils.addTab(gBrowser);
+  let browser = backgroundTab.linkedBrowser;
+  let hasContentBlockingEvent = TestUtils.waitForCondition(
+    () => browser.getContentBlockingEvents() != 0
+  );
+  await promiseTabLoadEvent(backgroundTab, TRACKING_PAGE);
+  await hasContentBlockingEvent;
+
+  is(
+    browser.getContentBlockingEvents(),
+    Ci.nsIWebProgressListener.STATE_BLOCKED_TRACKING_CONTENT,
+    "Background tab has the correct content blocking event."
+  );
+
+  is(
+    tab.linkedBrowser.getContentBlockingEvents(),
+    0,
+    "Foreground tab has the correct content blocking event."
+  );
+
+  ok(
+    !gProtectionsHandler.iconBox.hasAttribute("active"),
+    "shield is not active"
+  );
+
+  await BrowserTestUtils.switchTab(gBrowser, backgroundTab);
+
+  is(
+    browser.getContentBlockingEvents(),
+    Ci.nsIWebProgressListener.STATE_BLOCKED_TRACKING_CONTENT,
+    "Background tab still has the correct content blocking event."
+  );
+
+  is(
+    tab.linkedBrowser.getContentBlockingEvents(),
+    0,
+    "Foreground tab still has the correct content blocking event."
+  );
+
+  ok(gProtectionsHandler.iconBox.hasAttribute("active"), "shield is active");
+
+  gBrowser.removeTab(backgroundTab);
+  gBrowser.removeTab(tab);
+});