Added check for trailing whitespaces and corrected existing violations.

test/mjsunit/string-indexof-1.js

 // Copyright 2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * 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
@@ skipping 45 matching lines @@
 
 // Random greek letters
 var twoByteString = "\u039a\u0391\u03a3\u03a3\u0395";
 
 // Test single char pattern
 assertEquals(0, twoByteString.indexOf("\u039a"), "Lamda");
 assertEquals(1, twoByteString.indexOf("\u0391"), "Alpha");
 assertEquals(2, twoByteString.indexOf("\u03a3"), "First Sigma");
 assertEquals(3, twoByteString.indexOf("\u03a3",3), "Second Sigma");
 assertEquals(4, twoByteString.indexOf("\u0395"), "Epsilon");
-assertEquals(-1, twoByteString.indexOf("\u0392"), "Not beta");  
+assertEquals(-1, twoByteString.indexOf("\u0392"), "Not beta");
 
 // Test multi-char pattern
 assertEquals(0, twoByteString.indexOf("\u039a\u0391"), "lambda Alpha");
 assertEquals(1, twoByteString.indexOf("\u0391\u03a3"), "Alpha Sigma");
 assertEquals(2, twoByteString.indexOf("\u03a3\u03a3"), "Sigma Sigma");
 assertEquals(3, twoByteString.indexOf("\u03a3\u0395"), "Sigma Epsilon");
 
-assertEquals(-1, twoByteString.indexOf("\u0391\u03a3\u0395"), 
+assertEquals(-1, twoByteString.indexOf("\u0391\u03a3\u0395"),
     "Not Alpha Sigma Epsilon");
 
 //single char pattern
 assertEquals(4, twoByteString.indexOf("\u0395"));
 
 // Test complex string indexOf algorithms. Only trigger for long strings.
 
 // Long string that isn't a simple repeat of a shorter string.
 var long = "A";
 for(var i = 66; i < 76; i++) {  // from 'B' to 'K'
@@ skipping 31 matching lines @@
 var lengths = [1, 4, 15];  // Single char, simple and complex.
 var indices = [0x5, 0x65, 0x85, 0x105, 0x205, 0x285, 0x2005, 0x2085, 0xfff0];
 for (var lengthIndex = 0; lengthIndex < lengths.length; lengthIndex++) {
   var length = lengths[lengthIndex];
   for (var i = 0; i < indices.length; i++) {
     var index = indices[i];
     var pattern = allCharsString.substring(index, index + length);
     assertEquals(index, allCharsString.indexOf(pattern));
   }
 }