Migrated several tests from blink to V8 repository.

test/webkit/string-trim.js

+// Copyright 2013 the V8 project authors. All rights reserved.
+// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple 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.
+//
+// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
+
+description("This test checks String.trim(), String.trimLeft() and String.trimRight() methods.");
+
+//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++) {
+    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']"];
+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])+"'");
+}
+