LibTest/core/List/indexOf_A03_t01.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.

/// @assertion abstract int indexOf(E element, [int start = 0])
/// Returns -1 if given element is not found. 
/// @description Checks that -1 is returned, if the element is not present.
/// @author iefremov

library indexOf_A03_t01;

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

check(List a) {
  Expect.isTrue(a.indexOf(3.14, 0) == -1);
  Expect.isTrue(a.indexOf(null, 0) == -1);
  Expect.isTrue(a.indexOf(a, 0) == -1);
  Expect.isTrue(a.indexOf(42, 4) == -1);
  Expect.isTrue(a.indexOf(-1, 5) == -1);
}

test(List<E> create<E>([int length, E fill])) {
  List a = create();
  a.addAll(const [42, 0, -1, 42, -1, 6031769, 0]);

  check(a);

  List b = create(a.length, 0);
  for(var i = 0; i<a.length; i++) {
    b[i] = a[i];
  }
  check(b);
}