cd3a47b6d2
Review URL: http://codereview.chromium.org/273033 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3053 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
108 lines
4.2 KiB
JavaScript
108 lines
4.2 KiB
JavaScript
// Copyright (c) 2009 Apple Computer, Inc. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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//
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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//
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// 3. Neither the name of the copyright holder(s) nor the names of any
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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// OF THE POSSIBILITY OF SUCH DAMAGE.
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// Based on LayoutTests/fast/js/script-tests/string-trim.js
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// References to trim(), trimLeft() and trimRight() functions for
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// testing Function's *.call() and *.apply() methods.
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var trim = String.prototype.trim;
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var trimLeft = String.prototype.trimLeft;
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var trimRight = String.prototype.trimRight;
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var testString = 'foo bar';
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var trimString = '';
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var leftTrimString = '';
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var rightTrimString = '';
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var wsString = '';
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var whitespace = [
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{s : '\u0009', t : 'HORIZONTAL TAB'},
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{s : '\u000A', t : 'LINE FEED OR NEW LINE'},
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{s : '\u000B', t : 'VERTICAL TAB'},
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{s : '\u000C', t : 'FORMFEED'},
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{s : '\u000D', t : 'CARRIAGE RETURN'},
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{s : '\u0020', t : 'SPACE'},
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{s : '\u00A0', t : 'NO-BREAK SPACE'},
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{s : '\u2000', t : 'EN QUAD'},
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{s : '\u2001', t : 'EM QUAD'},
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{s : '\u2002', t : 'EN SPACE'},
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{s : '\u2003', t : 'EM SPACE'},
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{s : '\u2004', t : 'THREE-PER-EM SPACE'},
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{s : '\u2005', t : 'FOUR-PER-EM SPACE'},
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{s : '\u2006', t : 'SIX-PER-EM SPACE'},
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{s : '\u2007', t : 'FIGURE SPACE'},
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{s : '\u2008', t : 'PUNCTUATION SPACE'},
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{s : '\u2009', t : 'THIN SPACE'},
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{s : '\u200A', t : 'HAIR SPACE'},
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{s : '\u3000', t : 'IDEOGRAPHIC SPACE'},
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{s : '\u2028', t : 'LINE SEPARATOR'},
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{s : '\u2029', t : 'PARAGRAPH SEPARATOR'},
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{s : '\u200B', t : 'ZERO WIDTH SPACE (category Cf)'}
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];
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for (var i = 0; i < whitespace.length; i++) {
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assertEquals(whitespace[i].s.trim(), '');
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assertEquals(whitespace[i].s.trimLeft(), '');
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assertEquals(whitespace[i].s.trimRight(), '');
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wsString += whitespace[i].s;
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}
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trimString = wsString + testString + wsString;
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leftTrimString = testString + wsString; // Trimmed from the left.
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rightTrimString = wsString + testString; // Trimmed from the right.
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assertEquals(wsString.trim(), '');
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assertEquals(wsString.trimLeft(), '');
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assertEquals(wsString.trimRight(), '');
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assertEquals(trimString.trim(), testString);
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assertEquals(trimString.trimLeft(), leftTrimString);
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assertEquals(trimString.trimRight(), rightTrimString);
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assertEquals(leftTrimString.trim(), testString);
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assertEquals(leftTrimString.trimLeft(), leftTrimString);
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assertEquals(leftTrimString.trimRight(), testString);
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assertEquals(rightTrimString.trim(), testString);
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assertEquals(rightTrimString.trimLeft(), testString);
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assertEquals(rightTrimString.trimRight(), rightTrimString);
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var testValues = [0, Infinity, NaN, true, false, ({}), ['an','array'],
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({toString:function(){return 'wibble'}})
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];
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for (var i = 0; i < testValues.length; i++) {
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assertEquals(trim.call(testValues[i]), String(testValues[i]));
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assertEquals(trimLeft.call(testValues[i]), String(testValues[i]));
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assertEquals(trimRight.call(testValues[i]), String(testValues[i]));
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}
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