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diff --git a/js/src/tests/ecma/String/15.5.4.8-1.js b/js/src/tests/ecma/String/15.5.4.8-1.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:          15.5.4.8-1.js
+   ECMA Section:       15.5.4.8 String.prototype.split( separator )
+   Description:
+
+   Returns an Array object into which substrings of the result of converting
+   this object to a string have been stored. The substrings are determined by
+   searching from left to right for occurrences of the given separator; these
+   occurrences are not part of any substring in the returned array, but serve
+   to divide up this string value. The separator may be a string of any length.
+
+   As a special case, if the separator is the empty string, the string is split
+   up into individual characters; the length of the result array equals the
+   length of the string, and each substring contains one character.
+
+   If the separator is not supplied, then the result array contains just one
+   string, which is the string.
+
+   Author:    christine@netscape.com, pschwartau@netscape.com
+   Date:      12 November 1997
+   Modified:  14 July 2002
+   Reason:    See http://bugzilla.mozilla.org/show_bug.cgi?id=155289
+   ECMA-262 Ed.3  Section 15.5.4.14
+   The length property of the split method is 2
+   *
+   */
+
+var SECTION = "15.5.4.8-1";
+var VERSION = "ECMA_1";
+startTest();
+var TITLE   = "String.prototype.split";
+
+writeHeaderToLog( SECTION + " "+ TITLE);
+
+new TestCase( SECTION,  "String.prototype.split.length",        2,          String.prototype.split.length );
+
+// test cases for when split is called with no arguments.
+
+// this is a string object
+
+new TestCase(   SECTION,
+		"var s = new String('this is a string object'); typeof s.split()",
+		"object",
+		eval("var s = new String('this is a string object'); typeof s.split()") );
+
+new TestCase(   SECTION,
+		"var s = new String('this is a string object'); Array.prototype.getClass = Object.prototype.toString; (s.split()).getClass()",
+		"[object Array]",
+		eval("var s = new String('this is a string object'); Array.prototype.getClass = Object.prototype.toString; (s.split()).getClass()") );
+
+new TestCase(   SECTION,
+		"var s = new String('this is a string object'); s.split().length",
+		1,
+		eval("var s = new String('this is a string object'); s.split().length") );
+
+new TestCase(   SECTION,
+		"var s = new String('this is a string object'); s.split()[0]",
+		"this is a string object",
+		eval("var s = new String('this is a string object'); s.split()[0]") );
+
+// this is an object object
+new TestCase(   SECTION,
+		"var obj = new Object(); obj.split = String.prototype.split; typeof obj.split()",
+		"object",
+		eval("var obj = new Object(); obj.split = String.prototype.split; typeof obj.split()") );
+
+new TestCase(   SECTION,
+		"var obj = new Object(); obj.split = String.prototype.split; Array.prototype.getClass = Object.prototype.toString; obj.getClass()",
+		"[object Array]",
+		eval("var obj = new Object(); obj.split = String.prototype.split; Array.prototype.getClass = Object.prototype.toString; obj.split().getClass()") );
+
+new TestCase(   SECTION,
+		"var obj = new Object(); obj.split = String.prototype.split; obj.split().length",
+		1,
+		eval("var obj = new Object(); obj.split = String.prototype.split; obj.split().length") );
+
+new TestCase(   SECTION,
+		"var obj = new Object(); obj.split = String.prototype.split; obj.split()[0]",
+		"[object Object]",
+		eval("var obj = new Object(); obj.split = String.prototype.split; obj.split()[0]") );
+
+// this is a function object
+new TestCase(   SECTION,
+		"var obj = new Function(); obj.split = String.prototype.split; typeof obj.split()",
+		"object",
+		eval("var obj = new Function(); obj.split = String.prototype.split; typeof obj.split()") );
+
+new TestCase(   SECTION,
+		"var obj = new Function(); obj.split = String.prototype.split; Array.prototype.getClass = Object.prototype.toString; obj.getClass()",
+		"[object Array]",
+		eval("var obj = new Function(); obj.split = String.prototype.split; Array.prototype.getClass = Object.prototype.toString; obj.split().getClass()") );
+
+new TestCase(   SECTION,
+		"var obj = new Function(); obj.split = String.prototype.split; obj.split().length",
+		1,
+		eval("var obj = new Function(); obj.split = String.prototype.split; obj.split().length") );
+
+new TestCase(   SECTION,
+		"var obj = new Function(); obj.split = String.prototype.split; obj.toString = Object.prototype.toString; obj.split()[0]",
+		"[object Function]",
+		eval("var obj = new Function(); obj.split = String.prototype.split; obj.toString = Object.prototype.toString; obj.split()[0]") );
+
+// this is a number object
+new TestCase(   SECTION,
+		"var obj = new Number(NaN); obj.split = String.prototype.split; typeof obj.split()",
+		"object",
+		eval("var obj = new Number(NaN); obj.split = String.prototype.split; typeof obj.split()") );
+
+new TestCase(   SECTION,
+		"var obj = new Number(Infinity); obj.split = String.prototype.split; Array.prototype.getClass = Object.prototype.toString; obj.getClass()",
+		"[object Array]",
+		eval("var obj = new Number(Infinity); obj.split = String.prototype.split; Array.prototype.getClass = Object.prototype.toString; obj.split().getClass()") );
+
+new TestCase(   SECTION,
+		"var obj = new Number(-1234567890); obj.split = String.prototype.split; obj.split().length",
+		1,
+		eval("var obj = new Number(-1234567890); obj.split = String.prototype.split; obj.split().length") );
+
+new TestCase(   SECTION,
+		"var obj = new Number(-1e21); obj.split = String.prototype.split; obj.split()[0]",
+		"-1e+21",
+		eval("var obj = new Number(-1e21); obj.split = String.prototype.split; obj.split()[0]") );
+
+
+// this is the Math object
+new TestCase(   SECTION,
+		"var obj = Math; obj.split = String.prototype.split; typeof obj.split()",
+		"object",
+		eval("var obj = Math; obj.split = String.prototype.split; typeof obj.split()") );
+
+new TestCase(   SECTION,
+		"var obj = Math; obj.split = String.prototype.split; Array.prototype.getClass = Object.prototype.toString; obj.getClass()",
+		"[object Array]",
+		eval("var obj = Math; obj.split = String.prototype.split; Array.prototype.getClass = Object.prototype.toString; obj.split().getClass()") );
+
+new TestCase(   SECTION,
+		"var obj = Math; obj.split = String.prototype.split; obj.split().length",
+		1,
+		eval("var obj = Math; obj.split = String.prototype.split; obj.split().length") );
+
+new TestCase(   SECTION,
+		"var obj = Math; obj.split = String.prototype.split; obj.split()[0]",
+		"[object Math]",
+		eval("var obj = Math; obj.split = String.prototype.split; obj.split()[0]") );
+
+// this is an array object
+new TestCase(   SECTION,
+		"var obj = new Array(1,2,3,4,5); obj.split = String.prototype.split; typeof obj.split()",
+		"object",
+		eval("var obj = new Array(1,2,3,4,5); obj.split = String.prototype.split; typeof obj.split()") );
+
+new TestCase(   SECTION,
+		"var obj = new Array(1,2,3,4,5); obj.split = String.prototype.split; Array.prototype.getClass = Object.prototype.toString; obj.getClass()",
+		"[object Array]",
+		eval("var obj = new Array(1,2,3,4,5); obj.split = String.prototype.split; Array.prototype.getClass = Object.prototype.toString; obj.split().getClass()") );
+
+new TestCase(   SECTION,
+		"var obj = new Array(1,2,3,4,5); obj.split = String.prototype.split; obj.split().length",
+		1,
+		eval("var obj = new Array(1,2,3,4,5); obj.split = String.prototype.split; obj.split().length") );
+
+new TestCase(   SECTION,
+		"var obj = new Array(1,2,3,4,5); obj.split = String.prototype.split; obj.split()[0]",
+		"1,2,3,4,5",
+		eval("var obj = new Array(1,2,3,4,5); obj.split = String.prototype.split; obj.split()[0]") );
+
+// this is a Boolean object
+
+new TestCase(   SECTION,
+		"var obj = new Boolean(); obj.split = String.prototype.split; typeof obj.split()",
+		"object",
+		eval("var obj = new Boolean(); obj.split = String.prototype.split; typeof obj.split()") );
+
+new TestCase(   SECTION,
+		"var obj = new Boolean(); obj.split = String.prototype.split; Array.prototype.getClass = Object.prototype.toString; obj.getClass()",
+		"[object Array]",
+		eval("var obj = new Boolean(); obj.split = String.prototype.split; Array.prototype.getClass = Object.prototype.toString; obj.split().getClass()") );
+
+new TestCase(   SECTION,
+		"var obj = new Boolean(); obj.split = String.prototype.split; obj.split().length",
+		1,
+		eval("var obj = new Boolean(); obj.split = String.prototype.split; obj.split().length") );
+
+new TestCase(   SECTION,
+		"var obj = new Boolean(); obj.split = String.prototype.split; obj.split()[0]",
+		"false",
+		eval("var obj = new Boolean(); obj.split = String.prototype.split; obj.split()[0]") );
+
+
+test();