LibTest/core/List/List_A01_t03.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.

/// @assertion factory List([int length])
/// Creates a list of the given length.
/// The list is a fixed-length list if length is provided, and an empty growable
/// list if length is omitted.
/// @description Checks that created list is not resizable if length is provided.
/// @author kaigorodov

import "../../../Utils/expect.dart";

List<String> failures = new List<String>.empty(growable: true);
 
check(List l) {
  try {
    l.clear();
    failures.add("clear");
  } on UnsupportedError catch (ok) {}
  try {
    l.length = 123;
    failures.add("set length");
  } on UnsupportedError catch (ok) {}
  try {
    l.add(null);
    failures.add("add");
  } on UnsupportedError catch (ok) {}
  try {
    l.removeLast();
    failures.add("removeLast");
  } on UnsupportedError catch (ok) {}
  try {
    l.removeRange(0,1);
    failures.add("removeRange");
  } on UnsupportedError catch (ok) {}
}

main() {
  check(new List<String?>.empty());
  check(new List.filled(10, 0));
  if (failures.isEmpty) return;
  StringBuffer sb = new StringBuffer();
  sb.write("Following operations do not cause UnsupportedError on "
      + "fixed-sized list:\n");
  sb.writeAll(failures, ", ");
  Expect.fail(sb.toString());
}