dart-sdk/tests/corelib_2/set_removeAll_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

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717 B
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.
// @dart = 2.9
import "package:expect/expect.dart";
class A {
const A();
}
class B extends A {
const B();
}
main() {
var set1 = new Set<B>();
set1.add(const B());
var set2 = new Set<B>();
var list = <B>[const B()];
var set3 = list.toSet();
var sets = [set1, set2, set3];
for (var setToTest in sets) {
// Test that the set accepts a list that is not of the same type:
// Set<B>.removeAll(List<A>)
Expect.isNull(setToTest.removeAll(<A>[new A()]) as dynamic);
}
}