1 files changed, 28 insertions, 0 deletions
diff --git a/modules/libjar/test/unit/test_corrupt_1211262.js b/modules/libjar/test/unit/test_corrupt_1211262.js
new file mode 100644
index 0000000000..c6fc6b2761
--- /dev/null
+++ b/modules/libjar/test/unit/test_corrupt_1211262.js
@@ -0,0 +1,28 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+// Regression test ensuring that that a STORED entry with differing compressed
+// and uncompressed sizes is considered to be corrupt.
+function run_test() {
+  var file = do_get_file("data/test_corrupt3.zip");
+
+  var zipreader = Cc["@mozilla.org/libjar/zip-reader;1"].createInstance(
+    Ci.nsIZipReader
+  );
+  zipreader.open(file);
+
+  var failed = false;
+  for (let entryPath of zipreader.findEntries("*")) {
+    let entry = zipreader.getEntry(entryPath);
+    if (!entry.isDirectory) {
+      try {
+        zipreader.getInputStream(entryPath);
+      } catch (e) {
+        failed = true;
+      }
+    }
+  }
+
+  Assert.ok(failed);
+}