1 files changed, 20 insertions, 0 deletions
diff --git a/modules/libjar/test/unit/test_corrupt_1801102.js b/modules/libjar/test/unit/test_corrupt_1801102.js
new file mode 100644
index 0000000000..395cf36c7f
--- /dev/null
+++ b/modules/libjar/test/unit/test_corrupt_1801102.js
@@ -0,0 +1,20 @@
+/* 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.
+
+add_task(async function test1801102() {
+  let file = do_get_file("data/test_1801102.jar");
+
+  let zipreader = Cc["@mozilla.org/libjar/zip-reader;1"].createInstance(
+    Ci.nsIZipReader
+  );
+  zipreader.open(file);
+  Assert.throws(
+    () => zipreader.test(""),
+    /NS_ERROR_FILE_CORRUPTED/,
+    "must throw"
+  );
+});