| // Copyright (c) 2023, 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. |
| |
| // Test that interface type variable usage in is checks is recursively |
| // detected, even if the interface is nested in a record type. Check |
| // both a user defined class as well as List because at -O3 we |
| // initialize the type parameters differently for Lists. |
| |
| import "package:expect/expect.dart"; |
| |
| class Foo<T> {} |
| |
| dynamic wrapInRecord(x) => (x,); |
| |
| void main() { |
| Expect.isTrue(wrapInRecord(Foo<int>()) is (Foo<int>,)); |
| Expect.isTrue(wrapInRecord(<int>[]) is (List<int>,)); |
| Expect.isTrue((<int>[],) is (List<int>,)); |
| Expect.isTrue((Foo<int>(),) is (Foo<int>,)); |
| } |