dart-sdk/tests/corelib_2/iterable_element_at_test.dart
Leaf Petersen b101a7d002 Add language versions to _2 test libraries
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548
Reviewed-by: Bob Nystrom <rnystrom@google.com>
Commit-Queue: Leaf Petersen <leafp@google.com>
2021-04-26 17:58:57 +00:00

42 lines
1.5 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";
main() {
List<int> list1 = <int>[1, 2, 3];
List<int> list2 = const <int>[4, 5, 6];
List<String> list3 = <String>[];
Set<int> set1 = new Set<int>();
set1..add(11)..add(12)..add(13);
Set set2 = new Set();
Expect.equals(1, list1.elementAt(0));
Expect.equals(2, list1.elementAt(1));
Expect.equals(3, list1.elementAt(2));
list1.elementAt("2"); //# static: compile-time error
Expect.throwsArgumentError(() => list1.elementAt(-1));
Expect.throwsRangeError(() => list1.elementAt(3));
Expect.equals(4, list2.elementAt(0));
Expect.equals(5, list2.elementAt(1));
Expect.equals(6, list2.elementAt(2));
list2.elementAt("2"); //# static: compile-time error
Expect.throwsArgumentError(() => list2.elementAt(-1));
Expect.throwsRangeError(() => list2.elementAt(3));
Expect.isTrue(set1.contains(set1.elementAt(0)));
Expect.isTrue(set1.contains(set1.elementAt(1)));
Expect.isTrue(set1.contains(set1.elementAt(2)));
Expect.throwsArgumentError(() => set1.elementAt(-1));
Expect.throwsRangeError(() => set1.elementAt(3));
set2.elementAt("2"); //# static: compile-time error
Expect.throwsArgumentError(() => set2.elementAt(-1));
Expect.throwsRangeError(() => set2.elementAt(0));
Expect.throwsRangeError(() => set2.elementAt(1));
}