1 files changed, 59 insertions, 0 deletions
diff --git a/remote/shared/messagehandler/test/browser/browser_navigation_manager.js b/remote/shared/messagehandler/test/browser/browser_navigation_manager.js
new file mode 100644
index 0000000000..474605e90f
--- /dev/null
+++ b/remote/shared/messagehandler/test/browser/browser_navigation_manager.js
@@ -0,0 +1,59 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const { MessageHandlerRegistry } = ChromeUtils.importESModule(
+  "chrome://remote/content/shared/messagehandler/MessageHandlerRegistry.sys.mjs"
+);
+const { RootMessageHandler } = ChromeUtils.importESModule(
+  "chrome://remote/content/shared/messagehandler/RootMessageHandler.sys.mjs"
+);
+
+// Check that a functional navigation manager is available on the
+// RootMessageHandler.
+add_task(async function test_navigationManager() {
+  const sessionId = "navigationManager-test";
+  const type = RootMessageHandler.type;
+
+  const rootMessageHandlerRegistry = new MessageHandlerRegistry(type);
+
+  const rootMessageHandler =
+    rootMessageHandlerRegistry.getOrCreateMessageHandler(sessionId);
+
+  const navigationManager = rootMessageHandler.navigationManager;
+  ok(!!navigationManager, "ROOT MessageHandler provides a navigation manager");
+
+  const events = [];
+  const onEvent = (name, data) => events.push({ name, data });
+  navigationManager.on("navigation-started", onEvent);
+  navigationManager.on("navigation-stopped", onEvent);
+
+  info("Check the navigation manager monitors navigations");
+
+  const testUrl = "https://example.com/document-builder.sjs?html=test";
+  const tab1 = BrowserTestUtils.addTab(gBrowser, testUrl);
+  const contentBrowser1 = tab1.linkedBrowser;
+  await BrowserTestUtils.browserLoaded(contentBrowser1);
+
+  const navigation = navigationManager.getNavigationForBrowsingContext(
+    contentBrowser1.browsingContext
+  );
+  is(navigation.url, testUrl, "Navigation has the expected URL");
+
+  is(events.length, 2, "Received 2 navigation events");
+  is(events[0].name, "navigation-started");
+  is(events[1].name, "navigation-stopped");
+
+  info(
+    "Check the navigation manager is destroyed after destroying the message handler"
+  );
+  rootMessageHandler.destroy();
+  const otherUrl = "https://example.com/document-builder.sjs?html=other";
+  const tab2 = BrowserTestUtils.addTab(gBrowser, otherUrl);
+  await BrowserTestUtils.browserLoaded(tab2.linkedBrowser);
+  is(events.length, 2, "No new navigation event received");
+
+  gBrowser.removeTab(tab1);
+  gBrowser.removeTab(tab2);
+});