1 files changed, 36 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_cache2-26-no-outputstream-open.js b/netwerk/test/unit/test_cache2-26-no-outputstream-open.js
new file mode 100644
index 0000000000..dbcd699d67
--- /dev/null
+++ b/netwerk/test/unit/test_cache2-26-no-outputstream-open.js
@@ -0,0 +1,36 @@
+"use strict";
+
+function run_test() {
+  do_get_profile();
+
+  // Open for write, but never write and never mark valid
+  asyncOpenCacheEntry(
+    "http://no-data/",
+    "disk",
+    Ci.nsICacheStorage.OPEN_NORMALLY,
+    null,
+    new OpenCallback(
+      NEW | METAONLY | DONTSETVALID | WAITFORWRITE,
+      "meta",
+      "",
+      function (entry) {
+        // Open again, we must get the callback and zero-length data
+        executeSoon(() => {
+          Cu.forceGC(); // invokes OnHandleClosed on the entry
+
+          asyncOpenCacheEntry(
+            "http://no-data/",
+            "disk",
+            Ci.nsICacheStorage.OPEN_NORMALLY,
+            null,
+            new OpenCallback(NORMAL, "meta", "", function (entry) {
+              finish_cache2_test();
+            })
+          );
+        });
+      }
+    )
+  );
+
+  do_test_pending();
+}