1 files changed, 32 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg-windowless-service-workers-reload.js b/devtools/client/debugger/test/mochitest/browser_dbg-windowless-service-workers-reload.js
new file mode 100644
index 0000000000..0c2a3b3b96
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/browser_dbg-windowless-service-workers-reload.js
@@ -0,0 +1,32 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */
+
+// Test that service worker sources are still displayed after reloading the page
+// and that we can hit breakpoints in them.
+
+"use strict";
+
+add_task(async function () {
+  await pushPref("devtools.debugger.features.windowless-service-workers", true);
+  await pushPref("devtools.debugger.threads-visible", true);
+  await pushPref("dom.serviceWorkers.enabled", true);
+  await pushPref("dom.serviceWorkers.testing.enabled", true);
+  const dbg = await initDebugger("doc-service-workers.html");
+
+  invokeInTab("registerWorker");
+  await waitForSource(dbg, "service-worker.sjs");
+  const workerSource = findSource(dbg, "service-worker.sjs");
+
+  await reload(dbg, "service-worker.sjs");
+
+  await addBreakpoint(dbg, "service-worker.sjs", 13);
+  invokeInTab("fetchFromWorker");
+
+  await waitForPaused(dbg);
+  assertPausedAtSourceAndLine(dbg, workerSource.id, 13);
+
+  await resume(dbg);
+  await waitForRequestsToSettle(dbg);
+  await removeTab(gBrowser.selectedTab);
+});