1 files changed, 58 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_bug263127.js b/netwerk/test/unit/test_bug263127.js
new file mode 100644
index 0000000000..75dc650980
--- /dev/null
+++ b/netwerk/test/unit/test_bug263127.js
@@ -0,0 +1,58 @@
+"use strict";
+
+const { HttpServer } = ChromeUtils.importESModule(
+  "resource://testing-common/httpd.sys.mjs"
+);
+
+var server;
+const BUGID = "263127";
+
+var listener = {
+  QueryInterface: ChromeUtils.generateQI(["nsIDownloadObserver"]),
+
+  onDownloadComplete(downloader, request, status, file) {
+    do_test_pending();
+    server.stop(do_test_finished);
+
+    if (!file) {
+      do_throw("Download failed");
+    }
+
+    try {
+      file.remove(false);
+    } catch (e) {
+      do_throw(e);
+    }
+
+    Assert.ok(!file.exists());
+
+    do_test_finished();
+  },
+};
+
+function run_test() {
+  // start server
+  server = new HttpServer();
+  server.start(-1);
+
+  // Initialize downloader
+  var channel = NetUtil.newChannel({
+    uri: "http://localhost:" + server.identity.primaryPort + "/",
+    loadUsingSystemPrincipal: true,
+  });
+  var targetFile = Services.dirsvc.get("TmpD", Ci.nsIFile);
+  targetFile.append("bug" + BUGID + ".test");
+  if (targetFile.exists()) {
+    targetFile.remove(false);
+  }
+
+  var downloader = Cc["@mozilla.org/network/downloader;1"].createInstance(
+    Ci.nsIDownloader
+  );
+  downloader.init(listener, targetFile);
+
+  // Start download
+  channel.asyncOpen(downloader);
+
+  do_test_pending();
+}