1 files changed, 31 insertions, 0 deletions
diff --git a/dom/base/test/script_bug1238440.js b/dom/base/test/script_bug1238440.js
new file mode 100644
index 000000000..3499cd2ce
--- /dev/null
+++ b/dom/base/test/script_bug1238440.js
@@ -0,0 +1,31 @@
+var { classes: Cc, interfaces: Ci, utils: Cu } = Components;
+Cu.importGlobalProperties(["File"]);
+
+var tmpFile;
+
+function writeFile(text, answer) {
+  var stream = Cc["@mozilla.org/network/file-output-stream;1"]
+                 .createInstance(Ci.nsIFileOutputStream);
+  stream.init(tmpFile, 0x02 | 0x08 | 0x10, 0o600, 0);
+  stream.write(text, text.length);
+  stream.close();
+
+  sendAsyncMessage(answer, {
+    file: File.createFromNsIFile(tmpFile)
+  });
+}
+
+addMessageListener("file.open", function (e) {
+  tmpFile = Cc["@mozilla.org/file/directory_service;1"]
+              .getService(Ci.nsIDirectoryService)
+              .QueryInterface(Ci.nsIProperties)
+              .get('TmpD', Ci.nsIFile)
+  tmpFile.append('foo.txt');
+  tmpFile.createUnique(Ci.nsIFile.FILE_TYPE, 0o600);
+
+  writeFile("hello world", "file.opened");
+});
+
+addMessageListener("file.change", function (e) {
+  writeFile("hello world---------------", "file.changed");
+});