1 files changed, 27 insertions, 0 deletions
diff --git a/modules/libjar/test/unit/test_bug637286.js b/modules/libjar/test/unit/test_bug637286.js
new file mode 100644
index 0000000000..34df98ecd3
--- /dev/null
+++ b/modules/libjar/test/unit/test_bug637286.js
@@ -0,0 +1,27 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
+const { NetUtil } = ChromeUtils.import("resource://gre/modules/NetUtil.jsm");
+
+// Check that the zip cache can expire entries from nested jars
+
+function open_inner_zip(base, idx) {
+  var spec = "jar:" + base + "inner" + idx + ".zip!/foo";
+  var channel = NetUtil.newChannel({
+    uri: spec,
+    loadUsingSystemPrincipal: true,
+  });
+  channel.open();
+}
+
+function run_test() {
+  var file = do_get_file("data/test_bug637286.zip");
+  var outerJarBase = "jar:" + Services.io.newFileURI(file).spec + "!/";
+
+  for (var i = 0; i < 40; i++) {
+    open_inner_zip(outerJarBase, i);
+    gc();
+  }
+}