1 files changed, 27 insertions, 0 deletions
diff --git a/netwerk/test/browser/browser_fetch_lnk.js b/netwerk/test/browser/browser_fetch_lnk.js
new file mode 100644
index 0000000000..cbfc6a4c4b
--- /dev/null
+++ b/netwerk/test/browser/browser_fetch_lnk.js
@@ -0,0 +1,27 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+add_task(async () => {
+  await SpecialPowers.pushPrefEnv({
+    set: [["privacy.file_unique_origin", false]],
+  });
+
+  const FILE_PAGE = Services.io.newFileURI(
+    new FileUtils.File(getTestFilePath("dummy.html"))
+  ).spec;
+  await BrowserTestUtils.withNewTab(FILE_PAGE, async browser => {
+    try {
+      await SpecialPowers.spawn(browser, [], () =>
+        content.fetch("./file_lnk.lnk")
+      );
+      ok(
+        false,
+        "Loading lnk must fail if it links to a file from other directory"
+      );
+    } catch (err) {
+      is(err.constructor.name, "TypeError", "Should fail on Windows");
+    }
+  });
+});