From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 js/src/jsapi-tests/testPropCache.cpp | 40 ++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 js/src/jsapi-tests/testPropCache.cpp

(limited to 'js/src/jsapi-tests/testPropCache.cpp')

diff --git a/js/src/jsapi-tests/testPropCache.cpp b/js/src/jsapi-tests/testPropCache.cpp
new file mode 100644
index 000000000..e36163ecf
--- /dev/null
+++ b/js/src/jsapi-tests/testPropCache.cpp
@@ -0,0 +1,40 @@
+/* -*- 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"
+
+static int g_counter;
+
+static bool
+CounterAdd(JSContext* cx, JS::HandleObject obj, JS::HandleId id, JS::HandleValue v)
+{
+    g_counter++;
+    return true;
+}
+
+static const JSClassOps CounterClassOps = {
+    CounterAdd
+};
+
+static const JSClass CounterClass = {
+    "Counter",  /* name */
+    0,  /* flags */
+    &CounterClassOps
+};
+
+BEGIN_TEST(testPropCache_bug505798)
+{
+    g_counter = 0;
+    EXEC("var x = {};");
+    CHECK(JS_DefineObject(cx, global, "y", &CounterClass, JSPROP_ENUMERATE));
+    EXEC("var arr = [x, y];\n"
+         "for (var i = 0; i < arr.length; i++)\n"
+         "    arr[i].p = 1;\n");
+    CHECK_EQUAL(g_counter, 1);
+    return true;
+}
+END_TEST(testPropCache_bug505798)
-- 
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