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//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;
// length property
shouldBe("trim.length", "0");
shouldBe("trimLeft.length", "0");
shouldBe("trimRight.length", "0");
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'},
];
for (var i = 0; i < whitespace.length; i++) {
shouldBe("whitespace["+i+"].s.trim()", "''");
shouldBe("whitespace["+i+"].s.trimLeft()", "''");
shouldBe("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
shouldBe("wsString.trim()", "''");
shouldBe("wsString.trimLeft()", "''");
shouldBe("wsString.trimRight()", "''");
shouldBe("trimString.trim()", "testString");
shouldBe("trimString.trimLeft()", "leftTrimString");
shouldBe("trimString.trimRight()", "rightTrimString");
shouldBe("leftTrimString.trim()", "testString");
shouldBe("leftTrimString.trimLeft()", "leftTrimString");
shouldBe("leftTrimString.trimRight()", "testString");
shouldBe("rightTrimString.trim()", "testString");
shouldBe("rightTrimString.trimLeft()", "testString");
shouldBe("rightTrimString.trimRight()", "rightTrimString");
var testValues = ["0", "Infinity", "NaN", "true", "false", "({})", "({toString:function(){return 'wibble'}})", "['an','array']", "'\u200b'"];
for (var i = 0; i < testValues.length; i++) {
shouldBe("trim.call("+testValues[i]+")", "'"+eval(testValues[i])+"'");
shouldBe("trimLeft.call("+testValues[i]+")", "'"+eval(testValues[i])+"'");
shouldBe("trimRight.call("+testValues[i]+")", "'"+eval(testValues[i])+"'");
}
function main() { }
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