1 files changed, 17 insertions, 0 deletions
diff --git a/dom/base/test/bug403852_fileOpener.js b/dom/base/test/bug403852_fileOpener.js
new file mode 100644
index 000000000..5e3b4936a
--- /dev/null
+++ b/dom/base/test/bug403852_fileOpener.js
@@ -0,0 +1,17 @@
+var { classes: Cc, interfaces: Ci, utils: Cu } = Components;
+Cu.importGlobalProperties(["File"]);
+
+var testFile = Cc["@mozilla.org/file/directory_service;1"]
+                 .getService(Ci.nsIDirectoryService)
+                 .QueryInterface(Ci.nsIProperties)
+                 .get("ProfD", Ci.nsIFile);
+testFile.append("prefs.js");
+
+addMessageListener("file.open", function () {
+  sendAsyncMessage("file.opened", {
+    file: File.createFromNsIFile(testFile),
+    mtime: testFile.lastModifiedTime,
+    fileWithDate: File.createFromNsIFile(testFile, { lastModified: 123 }),
+    fileDate: 123,
+  });
+});