1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/jsapi-tests/testIsInsideNursery.cpp b/js/src/jsapi-tests/testIsInsideNursery.cpp
new file mode 100644
index 0000000000..301d7780d3
--- /dev/null
+++ b/js/src/jsapi-tests/testIsInsideNursery.cpp
@@ -0,0 +1,31 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ */
+/* 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/. */
+
+#include "jsapi-tests/tests.h"
+
+#include "vm/JSContext-inl.h"
+
+BEGIN_TEST(testIsInsideNursery) {
+  /* Non-GC things are never inside the nursery. */
+  CHECK(!cx->nursery().isInside(cx));
+  CHECK(!cx->nursery().isInside((void*)nullptr));
+
+  JS_GC(cx);
+
+  JS::RootedObject object(cx, JS_NewPlainObject(cx));
+
+  /* Objects are initially allocated in the nursery. */
+  CHECK(js::gc::IsInsideNursery(object));
+
+  JS_GC(cx);
+
+  /* And are tenured if still live after a GC. */
+  CHECK(!js::gc::IsInsideNursery(object));
+
+  return true;
+}
+END_TEST(testIsInsideNursery)