blob: 88f7ee4774428d8b99e2e7925e93b143882738d7 [file] [log] [blame]
// 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 lastIndexOf(E element, [int start])
/// The first time an element e is encountered so that e == element,
/// the index of e is returned.
/// @description Checks searching custom objects.
/// @author varlax
library lastIndexOf_A05_t01;
import "../../../Utils/expect.dart";
checkList(List list, var elem, int expected) {
Expect.equals(expected, list.lastIndexOf(elem));
class Eq{
bool operator ==(other) => other is Eq;
test(List<E> create<E>([int length, E fill])) {
List<Object?> a = create<Object?>(10, -1);
checkList(a, -1, 9);
var o = new Object();
a[4] = o;
checkList(a, o, 4);
a[8] = o;
checkList(a, o, 8);
Eq e = new Eq();
a[3] = e;
checkList(a,new Eq(),3);
a[7] = new Eq();
checkList(a,new Eq(),7);