1 files changed, 68 insertions, 0 deletions
diff --git a/devtools/client/application/test/browser/browser_application_panel_target-switching.js b/devtools/client/application/test/browser/browser_application_panel_target-switching.js
new file mode 100644
index 0000000000..ff8d521e30
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+++ b/devtools/client/application/test/browser/browser_application_panel_target-switching.js
@@ -0,0 +1,68 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+// Test switching for the top-level target.
+
+// We use about:robots, because this page will run in the parent process.
+// Navigating from about:robots to a regular content page will always trigger
+// a target switch, with or without fission.
+const PARENT_PROCESS_URI = "about:robots";
+const CONTENT_PROCESS_URI_WORKERS =
+  URL_ROOT + "resources/service-workers/simple.html";
+const CONTENT_PROCESS_URI_MANIFEST =
+  URL_ROOT + "resources/manifest/load-ok.html";
+
+// test workers when target switching
+add_task(async function () {
+  await enableApplicationPanel();
+
+  info("Open a page that runs in the parent process");
+  const { panel, commands, tab } = await openNewTabAndApplicationPanel(
+    PARENT_PROCESS_URI
+  );
+  const doc = panel.panelWin.document;
+
+  info("Check for non-existing service worker");
+  selectPage(panel, "service-workers");
+  const isWorkerListEmpty = !!doc.querySelector(".js-registration-list-empty");
+  ok(isWorkerListEmpty, "No Service Worker displayed");
+
+  info("Navigate to a page that runs in the child process");
+  await navigateTo(CONTENT_PROCESS_URI_WORKERS);
+
+  info("Wait until the service worker appears in the application panel");
+  await waitUntil(() => getWorkerContainers(doc).length === 1);
+
+  // close the tab
+  info("Closing the tab.");
+  await unregisterAllWorkers(commands.client, doc);
+  await BrowserTestUtils.removeTab(tab);
+});
+
+// test manifest when target switching
+add_task(async function () {
+  await enableApplicationPanel();
+
+  info("Open a page that runs in the parent process");
+  const { panel, tab } = await openNewTabAndApplicationPanel(
+    PARENT_PROCESS_URI
+  );
+  const doc = panel.panelWin.document;
+
+  info("Waiting for the 'no manifest' message to appear");
+  selectPage(panel, "manifest");
+  await waitUntil(() => doc.querySelector(".js-manifest-empty") !== null);
+
+  info("Navigate to a page that runs in the child process");
+  await navigateTo(CONTENT_PROCESS_URI_MANIFEST);
+
+  info("Waiting for the manifest to load");
+  selectPage(panel, "manifest");
+  await waitUntil(() => doc.querySelector(".js-manifest") !== null);
+  ok(true, "Manifest loaded successfully");
+
+  // close the tab
+  info("Closing the tab.");
+  await BrowserTestUtils.removeTab(tab);
+});