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diff --git a/js/src/tests/ecma/String/15.5.4.js b/js/src/tests/ecma/String/15.5.4.js
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+/* -*- tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* 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/. */
+
+
+/**
+ File Name: 15.5.4.js
+ ECMA Section: 15.5.4 Properties of the String prototype object
+
+ Description:
+ Author: christine@netscape.com
+ Date: 28 october 1997
+
+*/
+var SECTION = "15.5.4";
+var VERSION = "ECMA_1";
+startTest();
+var TITLE = "Properties of the String Prototype objecta";
+
+writeHeaderToLog( SECTION + " "+ TITLE);
+
+
+new TestCase( SECTION,
+ "String.prototype.getClass = Object.prototype.toString; String.prototype.getClass()",
+ "[object String]",
+ eval("String.prototype.getClass = Object.prototype.toString; String.prototype.getClass()") );
+
+delete String.prototype.getClass;
+
+new TestCase( SECTION,
+ "typeof String.prototype",
+ "object",
+ typeof String.prototype );
+
+new TestCase( SECTION,
+ "String.prototype.valueOf()",
+ "",
+ String.prototype.valueOf() );
+
+new TestCase( SECTION,
+ "String.prototype +''",
+ "",
+ String.prototype + '' );
+
+new TestCase( SECTION,
+ "String.prototype.length",
+ 0,
+ String.prototype.length );
+
+var prop;
+var value;
+
+value = '';
+for (prop in "")
+{
+ value += prop;
+}
+new TestCase( SECTION,
+ 'String "" has no enumerable properties',
+ '',
+ value );
+
+value = '';
+for (prop in String.prototype)
+{
+ value += prop;
+}
+new TestCase( SECTION,
+ 'String.prototype has no enumerable properties',
+ '',
+ value );
+
+test();