/test/mjsunit/third_party/string-trim.js
JavaScript | 107 lines | 61 code | 13 blank | 33 comment | 2 complexity | 804b8449352585e7ab219df336d5378c MD5 | raw file
Possible License(s): BSD-3-Clause
- // 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]));
- }