Revert "Remove Object.dynamic."

tests/language/number_syntax_test.dart

 // Copyright (c) 2011, 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.
 
 class NumberSyntaxTest {
 
   static void testMain() {
     testShortDoubleSyntax();
     testDotSelectorSyntax();
   }
 
   static void testShortDoubleSyntax() {
     Expect.equals(0.0, .0);
     Expect.equals(0.5, .5);
     Expect.equals(0.1234, .1234);
   }
 
   static void testDotSelectorSyntax() {
     // Integers.
+    Expect.equals(0, 0.dynamic);
+    Expect.equals(1, 1.dynamic);
+    Expect.equals(123, 123.dynamic);
     Expect.equals('0', 0.toString());
     Expect.equals('1', 1.toString());
     Expect.equals('123', 123.toString());
 
+    Expect.equals(0, 0 .dynamic);
+    Expect.equals(1, 1 .dynamic);
+    Expect.equals(123, 123 .dynamic);
     Expect.equals('0', 0 .toString());
     Expect.equals('1', 1 .toString());
     Expect.equals('123', 123 .toString());
 
+    Expect.equals(0, 0. dynamic);
+    Expect.equals(1, 1. dynamic);
+    Expect.equals(123, 123. dynamic);
     Expect.equals('0', 0. toString());
     Expect.equals('1', 1. toString());
     Expect.equals('123', 123. toString());
 
     // Doubles.
+    Expect.equals(0.0, 0.0.dynamic);
+    Expect.equals(0.1, .1.dynamic);
+    Expect.equals(1.1, 1.1.dynamic);
+    Expect.equals(123.4, 123.4.dynamic);
     Expect.equals((0.0).toString(), 0.0.toString());
     Expect.equals((0.1).toString(), .1.toString());
     Expect.equals((1.1).toString(), 1.1.toString());
     Expect.equals((123.4).toString(), 123.4.toString());
 
+    Expect.equals(0.0, 0.0 .dynamic);
+    Expect.equals(0.1, .1.dynamic);
+    Expect.equals(1.1, 1.1 .dynamic);
+    Expect.equals(123.4, 123.4 .dynamic);
     Expect.equals((0.0).toString(), 0.0 .toString());
     Expect.equals((0.1).toString(), .1 .toString());
     Expect.equals((1.1).toString(), 1.1 .toString());
     Expect.equals((123.4).toString(), 123.4 .toString());
 
+    Expect.equals(0.0, 0.0. dynamic);
+    Expect.equals(0.1, .1.dynamic);
+    Expect.equals(1.1, 1.1. dynamic);
+    Expect.equals(123.4, 123.4. dynamic);
     Expect.equals((0.0).toString(), 0.0. toString());
     Expect.equals((0.1).toString(), .1. toString());
     Expect.equals((1.1).toString(), 1.1. toString());
     Expect.equals((123.4).toString(), 123.4. toString());
 
     // Exponent notation.
+    Expect.equals(0e0, 0e0.dynamic);
+    Expect.equals(1e+1, 1e+1.dynamic);
+    Expect.equals(2.1e-34, 2.1e-34.dynamic);
     Expect.equals((0e0).toString(), 0e0.toString());
     Expect.equals((1e+1).toString(), 1e+1.toString());
     Expect.equals((2.1e-34).toString(), 2.1e-34.toString());
   }
 
 }
 main() {
   NumberSyntaxTest.testMain();
 }