1 files changed, 58 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/browsers/browsing-the-web/back-forward-cache/resources/service-worker.js b/testing/web-platform/tests/html/browsers/browsing-the-web/back-forward-cache/resources/service-worker.js
new file mode 100644
index 0000000000..ab9a3239ea
--- /dev/null
+++ b/testing/web-platform/tests/html/browsers/browsing-the-web/back-forward-cache/resources/service-worker.js
@@ -0,0 +1,58 @@
+self.addEventListener('message', function(event) {
+    if (event.data.type == "claim") {
+      self.clients.claim()
+        .then(function(result) {
+            if (result !== undefined) {
+                event.data.port.postMessage(
+                    'FAIL: claim() should be resolved with undefined');
+                return;
+            }
+            event.data.port.postMessage('PASS');
+          })
+        .catch(function(error) {
+            event.data.port.postMessage('FAIL: exception: ' + error.name);
+          });
+    } else if (event.data.type == "storeClients") {
+      self.clients.matchAll()
+        .then(function(result) {
+          self.storedClients = result;
+          event.data.port.postMessage("PASS");
+        });
+    } else if (event.data.type == "postMessageToStoredClients") {
+      for (let client of self.storedClients) {
+        client.postMessage("dummyValue");
+      }
+      event.data.port.postMessage("PASS");
+    } else if (event.data.type == 'storeMessagePort') {
+      let isCloseEventFired = false;
+      const port = event.ports[0];
+      port.start();
+      port.onmessage = (event) => {
+        if (event.data == 'Confirm the ports can communicate') {
+          port.postMessage('Receive message');
+        } else if (event.data == 'Ask if the close event was fired') {
+          port.postMessage(isCloseEventFired);
+        }
+      };
+      port.onclose = () => {
+        isCloseEventFired = true;
+      };
+    }
+  });
+
+self.addEventListener('fetch', e => {
+    if (e.request.url.match(/\/is-controlled/)) {
+      e.respondWith(new Response('controlled'));
+    }
+    else if (e.request.url.match(/\/get-clients-matchall/)) {
+      const options = { includeUncontrolled: true, type: 'all' };
+      e.respondWith(
+        self.clients.matchAll(options)
+          .then(clients => {
+            const client_urls = [];
+            clients.forEach(client => client_urls.push(client.url));
+            return new Response(JSON.stringify(client_urls));
+          })
+      );
+    }
+  });