Migrated test block 13 to Dart 2.0.

tests/corelib_strong/list_insert_test.dart

-// Copyright (c) 2013, 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';
-import 'dart:collection';
-
-class MyList extends ListBase {
-  List list;
-  MyList(this.list);
-
-  get length => list.length;
-  set length(val) {
-    list.length = val;
-  }
-
-  operator [](index) => list[index];
-  operator []=(index, val) => list[index] = val;
-
-  String toString() => "[" + join(", ") + "]";
-}
-
-// l1 must be a modifiable list with 5 elements from 0 to 4.
-void testModifiableList(l1) {
-  bool checkedMode = false;
-  assert(checkedMode = true);
-
-  // Index must be integer and in range.
-  Expect.throws(() {
-    l1.insert(-1, 5);
-  }, (e) => e is RangeError, "negative");
-  Expect.throws(() {
-    l1.insert(6, 5);
-  }, (e) => e is RangeError, "too large");
-  Expect.throws(() {
-    l1.insert(null, 5);
-  });
-  Expect.throws(() {
-    l1.insert("1", 5);
-  });
-  Expect.throws(() {
-    l1.insert(1.5, 5);
-  });
-
-  l1.insert(5, 5);
-  Expect.equals(6, l1.length);
-  Expect.equals(5, l1[5]);
-  Expect.equals("[0, 1, 2, 3, 4, 5]", l1.toString());
-
-  l1.insert(0, -1);
-  Expect.equals(7, l1.length);
-  Expect.equals(-1, l1[0]);
-  Expect.equals("[-1, 0, 1, 2, 3, 4, 5]", l1.toString());
-}
-
-void main() {
-  // Normal modifiable list.
-  testModifiableList([0, 1, 2, 3, 4]);
-  testModifiableList(new MyList([0, 1, 2, 3, 4]));
-
-  // Fixed size list.
-  var l2 = new List(5);
-  for (var i = 0; i < 5; i++) l2[i] = i;
-  Expect.throws(() {
-    l2.insert(2, 5);
-  }, (e) => e is UnsupportedError, "fixed-length");
-
-  // Unmodifiable list.
-  var l3 = const [0, 1, 2, 3, 4];
-  Expect.throws(() {
-    l3.insert(2, 5);
-  }, (e) => e is UnsupportedError, "unmodifiable");
-
-  // Empty list is not special.
-  var l4 = [];
-  l4.insert(0, 499);
-  Expect.equals(1, l4.length);
-  Expect.equals(499, l4[0]);
-}