Migrated test block 27 to Dart 2.0.

tests/corelib_2/string_from_list_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.
 
 import "package:expect/expect.dart";
 
 void main() {
   Expect.equals("", new String.fromCharCodes(new List(0)));
   Expect.equals("", new String.fromCharCodes([]));
   Expect.equals("", new String.fromCharCodes(const []));
   Expect.equals("AB", new String.fromCharCodes([65, 66]));
   Expect.equals("AB", new String.fromCharCodes(const [65, 66]));
   Expect.equals("Ærø", new String.fromCharCodes(const [0xc6, 0x72, 0xf8]));
   Expect.equals("\u{1234}", new String.fromCharCodes([0x1234]));
   Expect.equals("\u{12345}*", new String.fromCharCodes([0x12345, 42]));
   Expect.equals("", new String.fromCharCodes(new List()));
   {
-    var a = new List();
+    var a = <int>[];
     a.add(65);
     a.add(66);
     Expect.equals("AB", new String.fromCharCodes(a));
   }
 
   // Long list (bug 6919).
   for (int len in [499, 500, 501, 999, 100000]) {
     List<int> list = new List(len);
     for (int i = 0; i < len; i++) {
       list[i] = 65 + (i % 26);
@@ skipping 46 matching lines @@
   Expect.equals(0xD812, reversedNonBmp.codeUnitAt(5));
   Expect.equals(0xDC34, reversedNonBmp.codeUnitAt(4));
   Expect.equals(0xDC34, reversedNonBmp.codeUnitAt(3));
   Expect.equals(0xD812, reversedNonBmp.codeUnitAt(2));
   Expect.equals(0xDC34, reversedNonBmp.codeUnitAt(1));
   Expect.equals(0xD812, reversedNonBmp.codeUnitAt(0));
 
   Expect.equals(nonBmp, new String.fromCharCodes(nonBmp.codeUnits));
   Expect.equals(nonBmp, new String.fromCharCodes(nonBmp.runes));
 }