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 '));
+  Expect.equals(0, JSON.parse("0"));
+  Expect.equals(1, JSON.parse("1"));
+  Expect.equals(0.1, JSON.parse("0.1"));
+  Expect.equals(1.1, JSON.parse("1.1"));
+  Expect.equals(1.1, JSON.parse("1.100000"));
+  Expect.equals(1.111111, JSON.parse("1.111111"));
+  Expect.equals(-0, JSON.parse("-0"));
+  Expect.equals(-1, JSON.parse("-1"));
+  Expect.equals(-0.1, JSON.parse("-0.1"));
+  Expect.equals(-1.1, JSON.parse("-1.1"));
+  Expect.equals(-1.1, JSON.parse("-1.100000"));
+  Expect.equals(-1.111111, JSON.parse("-1.111111"));
+  Expect.equals(11, JSON.parse("1.1e1"));
+  Expect.equals(11, JSON.parse("1.1e+1"));
+  Expect.equals(0.11, JSON.parse("1.1e-1"));
+  Expect.equals(11, JSON.parse("1.1E1"));
+  Expect.equals(11, JSON.parse("1.1E+1"));
+  Expect.equals(0.11, JSON.parse("1.1E-1"));
+  Expect.equals(1E0, JSON.parse(" 1E0"));
+  Expect.equals(1E+0, JSON.parse(" 1E+0"));
+  Expect.equals(1E-0, JSON.parse(" 1E-0"));
+  Expect.equals(1E00, JSON.parse(" 1E00"));
+  Expect.equals(1E+00, JSON.parse(" 1E+00"));
+  Expect.equals(1E-00, JSON.parse(" 1E-00"));
+  Expect.equals(1E+10, JSON.parse(" 1E+10"));
+  Expect.equals(1E+010, JSON.parse(" 1E+010"));
+  Expect.equals(1E+0010, JSON.parse(" 1E+0010"));
+  Expect.equals(1E10, JSON.parse(" 1E10"));
+  Expect.equals(1E010, JSON.parse(" 1E010"));
+  Expect.equals(1E0010, JSON.parse(" 1E0010"));
+  Expect.equals(1E-10, JSON.parse(" 1E-10"));
+  Expect.equals(1E-0010, JSON.parse(" 1E-0010"));
+  Expect.equals(1E0, JSON.parse(" 1e0"));
+  Expect.equals(1E+0, JSON.parse(" 1e+0"));
+  Expect.equals(1E-0, JSON.parse(" 1e-0"));
+  Expect.equals(1E00, JSON.parse(" 1e00"));
+  Expect.equals(1E+00, JSON.parse(" 1e+00"));
+  Expect.equals(1E-00, JSON.parse(" 1e-00"));
+  Expect.equals(1E+10, JSON.parse(" 1e+10"));
+  Expect.equals(1E+010, JSON.parse(" 1e+010"));
+  Expect.equals(1E+0010, JSON.parse(" 1e+0010"));
+  Expect.equals(1E10, JSON.parse(" 1e10"));
+  Expect.equals(1E010, JSON.parse(" 1e010"));
+  Expect.equals(1E0010, JSON.parse(" 1e0010"));
+  Expect.equals(1E-10, JSON.parse(" 1e-10"));
+  Expect.equals(1E-0010, JSON.parse(" 1e-0010"));
   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"] '));
   Expect.listEquals([true, false], JSON.parse(' [true, false] '));
   Expect.listEquals([1, 2, 3], JSON.parse(' [ 1 , 2 , 3 ] '));
 
   // Maps.
   Expect.mapEquals({}, JSON.parse(' {} '));
   Expect.mapEquals({"key": "value"}, JSON.parse(' {"key": "value" } '));
   Expect.mapEquals({"key1": 1, "key2": 2},
                    JSON.parse(' {"key1": 1, "key2": 2} '));
   Expect.mapEquals({"key1": 1},
                    JSON.parse(' { "key1" : 1 } '));
 }
 
 void testParseInvalid() {
   void testString(String s) {
     // TODO(ajohnsen): Require JSONParseException exception once all JSON libs
     //                 have been updated.
     Expect.throws(() => JSON.parse(s));
   }
+  // Scalars
   testString("");
   testString("-");
   testString("-.");
   testString("3.a");
   testString("{ key: value }");
   testString("tru");
+  testString("1E--6");
+  testString("1E-+6");
+  testString("1E+-6");
+  testString("1E++6");
+  testString("1E6.6");
+  testString("1E-6.6");
+  testString("1E+6.6");
+
+  // JavaScript number literals not valid in JSON.
+  testString('[01]');
+  testString('[.1]');
+  testString('[1.]');
+  testString('[1.e1]');
+  testString('[-.1]');
+  testString('[-1.]');
+
+  // Plain invalid number literals.
+  testString('-');
+  testString('--1');
+  testString('-1e');
+  testString('1e--1]');
+  testString('1e+-1');
+  testString('1e-+1');
+  testString('1e++1');
 
   // Lists
   testString('[, ]');
   testString('["", ]');
   testString('["", "]');
   testString('["" ""]');
 
   // Maps
   testString('{"" ""}');
   testString('{"": "",}');
@@ skipping 33 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\\".'));
 }