changeset 16760:d3a094bca83f

8011209: Object.getOwnPropertyDescriptor(function(){"use strict"},"caller").get.length is not 0 Reviewed-by: lagergren, hannesw, jlaskey
author sundar
date Tue, 02 Apr 2013 17:40:53 +0530
parents ecf99910fc31
children ba1a9ec11f5a fcf1b6c58970
files nashorn/src/jdk/nashorn/internal/objects/ScriptFunctionImpl.java nashorn/test/script/basic/JDK-8011209.js
diffstat 2 files changed, 81 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/nashorn/src/jdk/nashorn/internal/objects/ScriptFunctionImpl.java	Tue Apr 02 13:55:49 2013 +0200
+++ b/nashorn/src/jdk/nashorn/internal/objects/ScriptFunctionImpl.java	Tue Apr 02 17:40:53 2013 +0530
@@ -125,10 +125,13 @@
     // function object representing TypeErrorThrower
     private static ScriptFunction typeErrorThrower;
 
+    /*
+     * ECMA section 13.2.3 The [[ThrowTypeError]] Function Object
+     */
     static synchronized ScriptFunction getTypeErrorThrower() {
         if (typeErrorThrower == null) {
-            //name handle
-            final ScriptFunctionImpl func = new ScriptFunctionImpl("TypeErrorThrower", Lookup.TYPE_ERROR_THROWER_SETTER, null, null, false, false, false);
+            // use "getter" so that [[ThrowTypeError]] function's arity is 0 - as specified in step 10 of section 13.2.3
+            final ScriptFunctionImpl func = new ScriptFunctionImpl("TypeErrorThrower", Lookup.TYPE_ERROR_THROWER_GETTER, null, null, false, false, false);
             func.setPrototype(UNDEFINED);
             typeErrorThrower = func;
         }
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/test/script/basic/JDK-8011209.js	Tue Apr 02 17:40:53 2013 +0530
@@ -0,0 +1,76 @@
+/*
+ * 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.
+ */
+
+/**
+ * JDK-8011209: Object.getOwnPropertyDescriptor(function(){"use strict"},"caller").get.length is not 0
+ *
+ * @test
+ * @run
+ */
+
+var callerPropDesc = Object.getOwnPropertyDescriptor(function(){"use strict"},"caller");
+
+var getterLen = callerPropDesc.get.length;
+if (getterLen != 0) {
+    fail("caller's get.length != 0");
+}
+
+var setterLen = callerPropDesc.set.length;
+if (setterLen != 0) {
+    fail("caller's set.length != 1");
+}
+
+var argumentsPropDesc = Object.getOwnPropertyDescriptor(function(){"use strict"},"arguments");
+
+getterLen = argumentsPropDesc.get.length;
+if (getterLen != 0) {
+    fail("arguments's get.length != 0");
+}
+
+setterLen = argumentsPropDesc.set.length;
+if (setterLen != 0) {
+    fail("arguments's set.length != 1");
+}
+
+var strictArgs = (function() { 'use strict'; return arguments; })();
+callerPropDesc = Object.getOwnPropertyDescriptor(strictArgs,"caller");
+getterLen = callerPropDesc.get.length;
+if (getterLen != 0) {
+    fail("argument.caller's get.length != 0");
+}
+
+setterLen = callerPropDesc.set.length;
+if (setterLen != 0) {
+    fail("argument.caller's set.length != 1");
+}
+
+calleePropDesc = Object.getOwnPropertyDescriptor(strictArgs,"callee");
+getterLen = calleePropDesc.get.length;
+if (getterLen != 0) {
+    fail("argument.callee's get.length != 0");
+}
+
+setterLen = calleePropDesc.set.length;
+if (setterLen != 0) {
+    fail("argument.callee's set.length != 1");
+}