Add corelib tests

test/codegen/corelib/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]);
+}