Migrate test block 4 to Dart 2.0.

tests/corelib/const_list_literal_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";
-
-// Test that a final list literal is not expandable nor modifiable.
-
-class ConstListLiteralTest {
-  static void testMain() {
-    var list = const [4, 2, 3];
-    Expect.equals(3, list.length);
-
-    var exception = null;
-    try {
-      list.add(4);
-    } on UnsupportedError catch (e) {
-      exception = e;
-    }
-    Expect.equals(true, exception != null);
-    Expect.equals(3, list.length);
-    exception = null;
-
-    exception = null;
-    try {
-      list.addAll([4, 5]);
-    } on UnsupportedError catch (e) {
-      exception = e;
-    }
-    Expect.equals(true, exception != null);
-    Expect.equals(3, list.length);
-
-    exception = null;
-    try {
-      list[0] = 0;
-    } on UnsupportedError catch (e) {
-      exception = e;
-    }
-    Expect.equals(true, exception != null);
-    Expect.equals(3, list.length);
-
-    exception = null;
-    try {
-      list.sort((a, b) => a - b);
-    } on UnsupportedError catch (e) {
-      exception = e;
-    }
-    Expect.equals(true, exception != null);
-    Expect.equals(3, list.length);
-    Expect.equals(4, list[0]);
-    Expect.equals(2, list[1]);
-    Expect.equals(3, list[2]);
-
-    exception = null;
-    try {
-      list.setRange(0, 1, [1], 0);
-    } on UnsupportedError catch (e) {
-      exception = e;
-    }
-    Expect.equals(true, exception != null);
-    Expect.equals(3, list.length);
-    Expect.equals(4, list[0]);
-    Expect.equals(2, list[1]);
-    Expect.equals(3, list[2]);
-
-    // Note: the next check is a regression test for dart2js. The immutable list
-    // overrides the 'length' property of List, but relies on using the native
-    // 'forEach' construct in Array. This test ensures that our strategy works
-    // correctly.
-    int x = 0;
-    list.forEach((e) {
-      x += e;
-    });
-    Expect.equals(9, x);
-  }
-}
-
-main() {
-  ConstListLiteralTest.testMain();
-}