1 files changed, 38 insertions, 0 deletions
diff --git a/dom/workers/test/serviceworkers/file_blob_response_worker.js b/dom/workers/test/serviceworkers/file_blob_response_worker.js
new file mode 100644
index 000000000..4b4379d0b
--- /dev/null
+++ b/dom/workers/test/serviceworkers/file_blob_response_worker.js
@@ -0,0 +1,38 @@
+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: blob, index: 5 };
+
+      objectStore = db.transaction('test', 'readwrite').objectStore('test');
+      objectStore.add(data).onsuccess = function(evt) {
+        var key = evt.target.result;
+        objectStore = db.transaction('test').objectStore('test');
+        objectStore.get(key).onsuccess = function(evt) {
+          resolve(evt.target.result.blob);
+        };
+      };
+    };
+  });
+}
+
+self.addEventListener('fetch', function(evt) {
+  var result = { value: 'success' };
+  evt.respondWith(makeFileBlob(result).then(function(blob) {
+    return new Response(blob)
+  }));
+});