Fix inconsistencies wrt whitespaces.

test/mjsunit/third_party/string-trim.js

-// Copyright (c) 2009 Apple Computer, Inc. All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions
-// are met:
-//
-// 1. Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//
-// 2. Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following
-// disclaimer in the documentation and/or other materials provided
-// with the distribution.
-//
-// 3. Neither the name of the copyright holder(s) nor the names of any
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
-// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
-// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
-// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
-// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
-// OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// Based on LayoutTests/fast/js/script-tests/string-trim.js
-
-// References to trim(), trimLeft() and trimRight() functions for 
-// testing Function's *.call() and *.apply() methods.
-
-var trim            = String.prototype.trim;
-var trimLeft        = String.prototype.trimLeft;
-var trimRight       = String.prototype.trimRight;
-
-var testString      = 'foo bar';
-var trimString      = '';
-var leftTrimString  = '';
-var rightTrimString = '';
-var wsString        = '';
-
-var whitespace      = [
-  {s : '\u0009', t : 'HORIZONTAL TAB'},
-  {s : '\u000A', t : 'LINE FEED OR NEW LINE'},
-  {s : '\u000B', t : 'VERTICAL TAB'},
-  {s : '\u000C', t : 'FORMFEED'},
-  {s : '\u000D', t : 'CARRIAGE RETURN'},
-  {s : '\u0020', t : 'SPACE'},
-  {s : '\u00A0', t : 'NO-BREAK SPACE'},
-  {s : '\u2000', t : 'EN QUAD'},
-  {s : '\u2001', t : 'EM QUAD'},
-  {s : '\u2002', t : 'EN SPACE'},
-  {s : '\u2003', t : 'EM SPACE'},
-  {s : '\u2004', t : 'THREE-PER-EM SPACE'},
-  {s : '\u2005', t : 'FOUR-PER-EM SPACE'},
-  {s : '\u2006', t : 'SIX-PER-EM SPACE'},
-  {s : '\u2007', t : 'FIGURE SPACE'},
-  {s : '\u2008', t : 'PUNCTUATION SPACE'},
-  {s : '\u2009', t : 'THIN SPACE'},
-  {s : '\u200A', t : 'HAIR SPACE'},
-  {s : '\u3000', t : 'IDEOGRAPHIC SPACE'},
-  {s : '\u2028', t : 'LINE SEPARATOR'},
-  {s : '\u2029', t : 'PARAGRAPH SEPARATOR'},
-  {s : '\u200B', t : 'ZERO WIDTH SPACE (category Cf)'}
-];
-
-for (var i = 0; i < whitespace.length; i++) {
-  assertEquals(whitespace[i].s.trim(), '');
-  assertEquals(whitespace[i].s.trimLeft(), '');
-  assertEquals(whitespace[i].s.trimRight(), '');
-  wsString += whitespace[i].s;
-}
-
-trimString      = wsString   + testString + wsString;
-leftTrimString  = testString + wsString;  // Trimmed from the left.
-rightTrimString = wsString   + testString;  // Trimmed from the right.
-
-assertEquals(wsString.trim(),      '');
-assertEquals(wsString.trimLeft(),  '');
-assertEquals(wsString.trimRight(), '');
-
-assertEquals(trimString.trim(),      testString);
-assertEquals(trimString.trimLeft(),  leftTrimString);
-assertEquals(trimString.trimRight(), rightTrimString);
-
-assertEquals(leftTrimString.trim(),      testString);
-assertEquals(leftTrimString.trimLeft(),  leftTrimString);
-assertEquals(leftTrimString.trimRight(), testString);
-
-assertEquals(rightTrimString.trim(),      testString);
-assertEquals(rightTrimString.trimLeft(),  testString);
-assertEquals(rightTrimString.trimRight(), rightTrimString);
-
-var testValues = [0, Infinity, NaN, true, false, ({}), ['an','array'],
-  ({toString:function(){return 'wibble'}})
-];
-
-for (var i = 0; i < testValues.length; i++) {
-  assertEquals(trim.call(testValues[i]), String(testValues[i]));
-  assertEquals(trimLeft.call(testValues[i]), String(testValues[i]));
-  assertEquals(trimRight.call(testValues[i]), String(testValues[i]));
-}