1 files changed, 40 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyDescriptors/observable-operations.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyDescriptors/observable-operations.js
new file mode 100644
index 0000000000..20074b01e9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyDescriptors/observable-operations.js
@@ -0,0 +1,40 @@
+// Copyright (C) 2016 Jordan Harband. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Object.getOwnPropertyDescriptors should perform observable operations in the correct order
+esid: sec-object.getownpropertydescriptors
+author: Jordan Harband
+features: [Proxy]
+includes: [proxyTrapsHelper.js]
+---*/
+
+var log = "";
+var object = {
+  a: 0,
+  b: 0,
+  c: 0
+};
+var handler = allowProxyTraps({
+  getOwnPropertyDescriptor: function(target, propertyKey) {
+    assert.sameValue(target, object, "getOwnPropertyDescriptor");
+    log += "|getOwnPropertyDescriptor:" + propertyKey;
+    return Object.getOwnPropertyDescriptor(target, propertyKey);
+  },
+  ownKeys: function(target) {
+    assert.sameValue(target, object, "ownKeys");
+    log += "|ownKeys";
+    return Object.getOwnPropertyNames(target);
+  }
+});
+var check = allowProxyTraps({
+  get: function(target, propertyKey, receiver) {
+    assert(propertyKey in target, "handler check: " + propertyKey);
+    return target[propertyKey];
+  }
+});
+var proxy = new Proxy(object, new Proxy(handler, check));
+var result = Object.getOwnPropertyDescriptors(proxy);
+assert.sameValue(log, "|ownKeys|getOwnPropertyDescriptor:a|getOwnPropertyDescriptor:b|getOwnPropertyDescriptor:c", 'log');
+
+reportCompare(0, 0);