Update locale char when moving position in number parsing in the JSON parser.

tests/utils/json_test.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #library('jsonTest');
 
 #import('dart:json');
 
 main() {
   testEscaping();
   testParse();
   testParseInvalid();
 }
 
 void testParse() {
   // Scalars.
   Expect.equals(5, JSON.parse(' 5 '));
   Expect.equals(-42, JSON.parse(' -42 '));
   Expect.equals(3, JSON.parse(' 3e0 '));
   Expect.equals(3.14, JSON.parse(' 3.14 '));
+  Expect.equals(1.0E-06, JSON.parse(' 1.0E-06 '));

[Lasse Reichstein Nielsen, 2012/05/02 08:54:45]

More tests. How about at least:
 1E0
 1E+0
 1E-0
 1E00
 1E+00
 1E-00
 1E+10
 1E+010   // Two digits to check that it's not octal.
 1E+0010
 1E10
 1E010
 1E0010
 1E-10
 1E-0010
(and with lower-case 'e' too)
And, in the failing part:
 1E--6
 1E-+6
 1E+-6
 1E++6
 1E6.6
 1E-6.6
 1E+6.6

[Anders Johnsen, 2012/05/02 09:05:46]

Thank you! Added!

   Expect.equals(true, JSON.parse(' true '));
   Expect.equals(false, JSON.parse(' false'));
   Expect.equals(null, JSON.parse(' null '));
   Expect.equals(null, JSON.parse('\n\rnull\t'));
   Expect.equals('hi there" bob', JSON.parse(' "hi there\\" bob" '));
   Expect.equals('', JSON.parse(' "" '));
 
   // Lists.
   Expect.listEquals([], JSON.parse(' [] '));
   Expect.listEquals(["entry"], JSON.parse(' ["entry"] '));
@@ skipping 67 matching lines @@
   Expect.stringEquals('"\\u001d"', JSON.stringify('\u001d'));
   Expect.stringEquals('"\\u001e"', JSON.stringify('\u001e'));
   Expect.stringEquals('"\\u001f"', JSON.stringify('\u001f'));
   Expect.stringEquals('"\\\""', JSON.stringify('"'));
   Expect.stringEquals('"\\\\"', JSON.stringify('\\'));
   Expect.stringEquals('"Got \\b, \\f, \\n, \\r, \\t, \\u0000, \\\\, and \\"."',
       JSON.stringify('Got \b, \f, \n, \r, \t, \u0000, \\, and ".'));
   Expect.stringEquals('"Got \\b\\f\\n\\r\\t\\u0000\\\\\\"."',
     JSON.stringify('Got \b\f\n\r\t\u0000\\".'));
 }