71 lines
2.8 KiB
JavaScript
71 lines
2.8 KiB
JavaScript
description("This test checks String.trim(), String.trimLeft() and String.trimRight() methods.");
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//references to trim(), trimLeft() and trimRight() functions for 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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];
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for (var i = 0; i < whitespace.length; i++) {
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shouldBe("whitespace["+i+"].s.trim()", "''");
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shouldBe("whitespace["+i+"].s.trimLeft()", "''");
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shouldBe("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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shouldBe("wsString.trim()", "''");
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shouldBe("wsString.trimLeft()", "''");
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shouldBe("wsString.trimRight()", "''");
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shouldBe("trimString.trim()", "testString");
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shouldBe("trimString.trimLeft()", "leftTrimString");
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shouldBe("trimString.trimRight()", "rightTrimString");
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shouldBe("leftTrimString.trim()", "testString");
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shouldBe("leftTrimString.trimLeft()", "leftTrimString");
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shouldBe("leftTrimString.trimRight()", "testString");
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shouldBe("rightTrimString.trim()", "testString");
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shouldBe("rightTrimString.trimLeft()", "testString");
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shouldBe("rightTrimString.trimRight()", "rightTrimString");
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var testValues = ["0", "Infinity", "NaN", "true", "false", "({})", "({toString:function(){return 'wibble'}})", "['an','array']", "'\u200b'"];
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for (var i = 0; i < testValues.length; i++) {
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shouldBe("trim.call("+testValues[i]+")", "'"+eval(testValues[i])+"'");
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shouldBe("trimLeft.call("+testValues[i]+")", "'"+eval(testValues[i])+"'");
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shouldBe("trimRight.call("+testValues[i]+")", "'"+eval(testValues[i])+"'");
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}
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