1 files changed, 34 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/harmony/weakrefs/cleanup-from-different-realm.js b/deps/v8/test/mjsunit/harmony/weakrefs/cleanup-from-different-realm.js
new file mode 100644
index 0000000000..02f05ac8e2
--- /dev/null
+++ b/deps/v8/test/mjsunit/harmony/weakrefs/cleanup-from-different-realm.js
@@ -0,0 +1,34 @@
+// Copyright 2018 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --harmony-weak-refs --expose-gc --noincremental-marking
+
+let r = Realm.create();
+
+let cleanup = Realm.eval(r, "var stored_global; function cleanup() { stored_global = globalThis; } cleanup");
+let realm_global_this = Realm.eval(r, "globalThis");
+
+let wf = new WeakFactory(cleanup);
+
+// Create an object and a WeakCell pointing to it. The object needs to be inside
+// a closure so that we can reliably kill them!
+let weak_cell;
+
+(function() {
+  let object = {};
+  weak_cell = wf.makeCell(object);
+
+  // object goes out of scope.
+})();
+
+gc();
+
+// Assert that the cleanup function was called in its Realm.
+let timeout_func = function() {
+  let stored_global = Realm.eval(r, "stored_global;");
+  assertNotEquals(stored_global, globalThis);
+  assertEquals(stored_global, realm_global_this);
+}
+
+setTimeout(timeout_func, 0);