1 files changed, 43 insertions, 0 deletions
diff --git a/dom/tests/mochitest/fetch/sw_reroute.js b/dom/tests/mochitest/fetch/sw_reroute.js
new file mode 100644
index 0000000000..df9d0c6f49
--- /dev/null
+++ b/dom/tests/mochitest/fetch/sw_reroute.js
@@ -0,0 +1,43 @@
+var gRegistration;
+var iframe;
+
+function testScript(script) {
+  var scope = "./reroute.html?" + script.replace(".js", "");
+  function setupSW(registration) {
+    gRegistration = registration;
+
+    iframe = document.createElement("iframe");
+    iframe.src = scope;
+    document.body.appendChild(iframe);
+  }
+
+  SpecialPowers.pushPrefEnv(
+    {
+      set: [
+        ["dom.serviceWorkers.enabled", true],
+        ["dom.serviceWorkers.testing.enabled", true],
+        ["dom.serviceWorkers.exemptFromPerDomainMax", true],
+        ["dom.serviceWorkers.idle_timeout", 60000],
+      ],
+    },
+    function() {
+      var scriptURL = location.href.includes("sw_empty_reroute.html")
+        ? "empty.js"
+        : "reroute.js";
+      navigator.serviceWorker
+        .register(scriptURL, { scope })
+        .then(swr => waitForState(swr.installing, "activated", swr))
+        .then(setupSW);
+    }
+  );
+}
+
+function finishTest() {
+  iframe.remove();
+  gRegistration.unregister().then(SimpleTest.finish, function(e) {
+    dump("unregistration failed: " + e + "\n");
+    SimpleTest.finish();
+  });
+}
+
+SimpleTest.waitForExplicitFinish();