tests/corelib/list_index_of_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";

class ListIndexOfTest {
  static testMain() {
    test(new List<int>(5));
    var l = new List<int>();
    l.length = 5;
    test(l);
  }

  static void test(List<int> list) {
    list[0] = 1;
    list[1] = 2;
    list[2] = 3;
    list[3] = 4;
    list[4] = 1;

    Expect.equals(3, list.indexOf(4, 0));
    Expect.equals(0, list.indexOf(1, 0));
    Expect.equals(4, list.lastIndexOf(1, list.length - 1));

    Expect.equals(4, list.indexOf(1, 1));
    Expect.equals(-1, list.lastIndexOf(4, 2));

    Expect.equals(3, list.indexOf(4, 2));
    Expect.equals(3, list.indexOf(4, -5));
    Expect.equals(-1, list.indexOf(4, 50));

    Expect.equals(-1, list.lastIndexOf(4, 2));
    Expect.equals(-1, list.lastIndexOf(4, -5));
    Expect.equals(3, list.lastIndexOf(4, 50));
  }
}

main() {
  ListIndexOfTest.testMain();
}