1 files changed, 30 insertions, 0 deletions
diff --git a/toolkit/components/antitracking/test/browser/browser_blockingServiceWorkers.js b/toolkit/components/antitracking/test/browser/browser_blockingServiceWorkers.js
new file mode 100644
index 0000000000..c61f85d69f
--- /dev/null
+++ b/toolkit/components/antitracking/test/browser/browser_blockingServiceWorkers.js
@@ -0,0 +1,30 @@
+AntiTracking.runTest(
+  "ServiceWorkers",
+  async _ => {
+    await navigator.serviceWorker
+      .register("empty.js")
+      .then(
+        _ => {
+          ok(false, "ServiceWorker cannot be used!");
+        },
+        _ => {
+          ok(true, "ServiceWorker cannot be used!");
+        }
+      )
+      .catch(e => ok(false, "Promise rejected: " + e));
+  },
+  null,
+  async _ => {
+    await new Promise(resolve => {
+      Services.clearData.deleteData(Ci.nsIClearDataService.CLEAR_ALL, value =>
+        resolve()
+      );
+    });
+  },
+  [
+    ["dom.serviceWorkers.exemptFromPerDomainMax", true],
+    ["dom.ipc.processCount", 1],
+    ["dom.serviceWorkers.enabled", true],
+    ["dom.serviceWorkers.testing.enabled", true],
+  ]
+);