1 files changed, 58 insertions, 0 deletions
diff --git a/js/src/jsapi-tests/testDeepFreeze.cpp b/js/src/jsapi-tests/testDeepFreeze.cpp
new file mode 100644
index 0000000000..a1b62b8ca4
--- /dev/null
+++ b/js/src/jsapi-tests/testDeepFreeze.cpp
@@ -0,0 +1,58 @@
+/* -*- 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"
+
+BEGIN_TEST(testDeepFreeze_bug535703) {
+  JS::RootedValue v(cx);
+  EVAL("var x = {}; x;", &v);
+  JS::RootedObject obj(cx, v.toObjectOrNull());
+  CHECK(JS_DeepFreezeObject(cx, obj));  // don't crash
+  EVAL("Object.isFrozen(x)", &v);
+  CHECK(v.isTrue());
+  return true;
+}
+END_TEST(testDeepFreeze_bug535703)
+
+BEGIN_TEST(testDeepFreeze_deep) {
+  JS::RootedValue a(cx), o(cx);
+  EXEC(
+      "var a = {}, o = a;\n"
+      "for (var i = 0; i < 5000; i++)\n"
+      "    a = {x: a, y: a};\n");
+  EVAL("a", &a);
+  EVAL("o", &o);
+
+  JS::RootedObject aobj(cx, a.toObjectOrNull());
+  CHECK(JS_DeepFreezeObject(cx, aobj));
+
+  JS::RootedValue b(cx);
+  EVAL("Object.isFrozen(a)", &b);
+  CHECK(b.isTrue());
+  EVAL("Object.isFrozen(o)", &b);
+  CHECK(b.isTrue());
+  return true;
+}
+END_TEST(testDeepFreeze_deep)
+
+BEGIN_TEST(testDeepFreeze_loop) {
+  JS::RootedValue x(cx), y(cx);
+  EXEC("var x = [], y = {x: x}; y.y = y; x.push(x, y);");
+  EVAL("x", &x);
+  EVAL("y", &y);
+
+  JS::RootedObject xobj(cx, x.toObjectOrNull());
+  CHECK(JS_DeepFreezeObject(cx, xobj));
+
+  JS::RootedValue b(cx);
+  EVAL("Object.isFrozen(x)", &b);
+  CHECK(b.isTrue());
+  EVAL("Object.isFrozen(y)", &b);
+  CHECK(b.isTrue());
+  return true;
+}
+END_TEST(testDeepFreeze_loop)