test/nashorn/script/basic/NASHORN-452.js
changeset 47216 71c04702a3d5
parent 24778 2ff5d7041566
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/nashorn/script/basic/NASHORN-452.js	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * NASHORN-452 : nashorn is able to redefine a global declared variable
+ *
+ * @test
+ * @run
+ */
+
+var env = {};
+try {
+    Object.defineProperty(this, 'env', {
+        get: function() {}
+    });
+    fail("#1 should have thrown TypeError");
+} catch (e) {
+    if (! (e instanceof TypeError)) {
+        fail("#2 TypeError expected, got " + e);
+    }
+}
+
+var desc = Object.getOwnPropertyDescriptor(this, 'env');
+if (desc.configurable) {
+    fail("#3 global var 'env' is configurable");
+}
+
+(function (x) {
+    if (delete x) {
+        fail("#4 can delete function argument");
+    }
+})(3);
+
+(function (x) {
+    // use of 'with'
+    with ({ foo: 2 }) {
+        if (delete x) {
+            fail("#5 can delete function argument");
+        }
+    }
+})(4);
+
+(function (x, y) {
+    // use of 'arguments'
+    var arg = arguments;
+    if (delete x || delete y) {
+        fail("#6 can delete function argument");
+    }
+})(5);
+
+(function (x) {
+    // use of 'eval'
+    eval("x");
+
+    if (delete x) {
+        fail("#7 can delete function argument");
+    }
+})('hello');
+