Add m-esr52 at 52.6.0

1 files changed, 60 insertions, 0 deletions

diff --git a/js/src/jsapi-tests/testDeepFreeze.cpp b/js/src/jsapi-tests/testDeepFreeze.cpp
new file mode 100644
index 000000000..d6623775f
--- /dev/null
+++ b/js/src/jsapi-tests/testDeepFreeze.cpp
@@ -0,0 +1,60 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sts=4 et sw=4 tw=99:
+ */
+/* 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)