dart-sdk/tests/corelib_2/iterable_contains_test.dart
Michael Thomsen e4cc3c98e5 [3.0 alpha] Remove deprecated dart:core List() constructor.
TEST=ci

Bug: Contributes to https://github.com/dart-lang/sdk/issues/49529
Change-Id: Ic129ef2d89f625d9ec6a7a1c301cffddd60b2ff7
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/258920
Reviewed-by: Lasse Nielsen <lrn@google.com>
Commit-Queue: Michael Thomsen <mit@google.com>
Reviewed-by: Slava Egorov <vegorov@google.com>
2022-12-15 11:36:22 +00:00

51 lines
1.4 KiB
Dart

// Copyright (c) 2012, 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.
// @dart = 2.9
import "package:expect/expect.dart";
// Tests for the contains methods on lists.
test(list, notInList) {
testList(list) {
for (int i = 0; i < list.length; i++) {
var elem = list[i];
Expect.isTrue(list.contains(list[i]), "$list.contains($elem)");
}
Expect.isFalse(list.contains(notInList), "!$list.contains($notInList)");
}
List fixedList = new List.filled(list.length, null);
List growList = [];
for (int i = 0; i < list.length; i++) {
fixedList[i] = list[i];
growList.add(list[i]);
}
testList(list);
testList(fixedList);
testList(growList);
}
class C {
const C();
}
class Niet {
bool operator ==(other) => false;
}
main() {
test(const <String>["a", "b", "c", null], "d");
test(const <int>[1, 2, 3, null], 0);
test(const <bool>[true, false], null);
test(const <C>[const C(), const C(), null], new C());
test(<C>[new C(), new C(), new C(), null], new C());
test(const <double>[0.0, 1.0, 5e-324, 1e+308, double.infinity], 2.0);
Expect.isTrue(const <double>[-0.0].contains(0.0));
Expect.isFalse(const <double>[double.nan].contains(double.nan));
var niet = new Niet();
Expect.isFalse([niet].contains(niet));
}