1 files changed, 41 insertions, 0 deletions
diff --git a/dom/workers/test/serviceworkers/fetch/imagecache-maxage/maxage_test.js b/dom/workers/test/serviceworkers/fetch/imagecache-maxage/maxage_test.js
new file mode 100644
index 000000000..1922111df
--- /dev/null
+++ b/dom/workers/test/serviceworkers/fetch/imagecache-maxage/maxage_test.js
@@ -0,0 +1,41 @@
+function synthesizeImage(suffix) {
+  // Serve image-20px for the first page, and image-40px for the second page.
+  return clients.matchAll().then(clients => {
+    var url = "image-20px.png";
+    clients.forEach(client => {
+      if (client.url.indexOf("?new") > 0) {
+        url = "image-40px.png";
+      }
+      client.postMessage({suffix: suffix, url: url});
+    });
+    return fetch(url);
+  }).then(response => {
+    return response.arrayBuffer();
+  }).then(ab => {
+    var headers;
+    if (suffix == "") {
+      headers = {
+        "Content-Type": "image/png",
+        "Date": "Tue, 1 Jan 1990 01:02:03 GMT",
+        "Cache-Control": "max-age=1",
+      };
+    } else {
+      headers = {
+        "Content-Type": "image/png",
+        "Cache-Control": "no-cache",
+      };
+    }
+    return new Response(ab, {
+      status: 200,
+      headers: headers,
+    });
+  });
+}
+
+self.addEventListener("fetch", function(event) {
+  if (event.request.url.indexOf("image.png") >= 0) {
+    event.respondWith(synthesizeImage(""));
+  } else if (event.request.url.indexOf("image2.png") >= 0) {
+    event.respondWith(synthesizeImage("2"));
+  }
+});