1 files changed, 55 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg-browser-toolbox-workers.js b/devtools/client/debugger/test/mochitest/browser_dbg-browser-toolbox-workers.js
new file mode 100644
index 0000000000..f08feb4ba9
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/browser_dbg-browser-toolbox-workers.js
@@ -0,0 +1,55 @@
+/* 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 all kinds of workers show up properly in the multiprocess browser
+// toolbox.
+
+"use strict";
+
+requestLongerTimeout(4);
+
+Services.scriptloader.loadSubScript(
+  "chrome://mochitests/content/browser/devtools/client/framework/browser-toolbox/test/helpers-browser-toolbox.js",
+  this
+);
+
+add_task(async function () {
+  await pushPref("devtools.browsertoolbox.scope", "everything");
+  await pushPref("dom.serviceWorkers.enabled", true);
+  await pushPref("dom.serviceWorkers.testing.enabled", true);
+
+  const ToolboxTask = await initBrowserToolboxTask();
+  await ToolboxTask.importFunctions({
+    waitUntil,
+    waitForAllTargetsToBeAttached,
+  });
+
+  await addTab(`${EXAMPLE_URL}doc-all-workers.html`);
+
+  await ToolboxTask.spawn(null, async () => {
+    /* global gToolbox */
+    await gToolbox.selectTool("jsdebugger");
+    const dbg = gToolbox.getCurrentPanel().panelWin.dbg;
+
+    await waitUntil(() => {
+      const threads = dbg.selectors.getThreads();
+      function hasWorker(workerName) {
+        // eslint-disable-next-line max-nested-callbacks
+        return threads.some(({ name }) => name == workerName);
+      }
+      return (
+        hasWorker("simple-worker.js") &&
+        hasWorker("shared-worker.js") &&
+        hasWorker("service-worker.sjs")
+      );
+    });
+
+    await waitForAllTargetsToBeAttached(gToolbox.commands.targetCommand);
+  });
+  ok(true, "All workers appear in browser toolbox debugger");
+
+  invokeInTab("unregisterServiceWorker");
+
+  await ToolboxTask.destroy();
+});