1 files changed, 23 insertions, 0 deletions
diff --git a/modules/libjar/test/unit/test_bug658093.js b/modules/libjar/test/unit/test_bug658093.js
new file mode 100644
index 0000000000..92b7654775
--- /dev/null
+++ b/modules/libjar/test/unit/test_bug658093.js
@@ -0,0 +1,23 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+const { NetUtil } = ChromeUtils.import("resource://gre/modules/NetUtil.jsm");
+
+// Check that we don't crash on reading a directory entry signature
+
+function run_test() {
+  var file = do_get_file("data/test_bug658093.zip");
+  var spec = "jar:" + Services.io.newFileURI(file).spec + "!/0000";
+  var channel = NetUtil.newChannel({
+    uri: spec,
+    loadUsingSystemPrincipal: true,
+  });
+  var failed = false;
+  try {
+    channel.open();
+  } catch (e) {
+    failed = true;
+  }
+  Assert.ok(failed);
+}