1 files changed, 39 insertions, 0 deletions
diff --git a/dom/serviceworkers/test/file_blob_response_worker.js b/dom/serviceworkers/test/file_blob_response_worker.js
new file mode 100644
index 0000000000..e9d5366c42
--- /dev/null
+++ b/dom/serviceworkers/test/file_blob_response_worker.js
@@ -0,0 +1,39 @@
+function makeFileBlob(obj) {
+  return new Promise(function (resolve, reject) {
+    var request = indexedDB.open("file_blob_response_worker", 1);
+    request.onerror = reject;
+    request.onupgradeneeded = function (evt) {
+      var db = evt.target.result;
+      db.onerror = reject;
+
+      var objectStore = db.createObjectStore("test", { autoIncrement: true });
+      var index = objectStore.createIndex("test", "index");
+    };
+
+    request.onsuccess = function (evt) {
+      var db = evt.target.result;
+      db.onerror = reject;
+
+      var blob = new Blob([JSON.stringify(obj)], { type: "application/json" });
+      var data = { blob, index: 5 };
+
+      objectStore = db.transaction("test", "readwrite").objectStore("test");
+      objectStore.add(data).onsuccess = function (event) {
+        var key = event.target.result;
+        objectStore = db.transaction("test").objectStore("test");
+        objectStore.get(key).onsuccess = function (event1) {
+          resolve(event1.target.result.blob);
+        };
+      };
+    };
+  });
+}
+
+self.addEventListener("fetch", function (evt) {
+  var result = { value: "success" };
+  evt.respondWith(
+    makeFileBlob(result).then(function (blob) {
+      return new Response(blob);
+    })
+  );
+});