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sdk/tests/language/mixin/cyclic_test.dart
T
Robert Nystrom d839eb7bf9 Migrate language_2/mixin to NNBD.
Change-Id: I4501e9a9d2d958cecf21460b628d2ac50a5135bc
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/149492
Auto-Submit: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Erik Ernst <eernst@google.com>
Commit-Queue: Bob Nystrom <rnystrom@google.com>
2020-06-03 00:05:18 +00:00

32 lines
823 B
Dart

// Copyright (c) 2013, 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 for cyclicity check on named mixin applications.
class A<T> {}
class S {}
class M<T> {}
class C1 = S with M;
class C2 = S with C2;
// ^^
// [analyzer] COMPILE_TIME_ERROR.RECURSIVE_INTERFACE_INHERITANCE_WITH
// [cfe] 'C2' is a supertype of itself.
// ^^
// [analyzer] COMPILE_TIME_ERROR.MIXIN_INHERITS_FROM_NOT_OBJECT
class C3 = S with M implements A;
class C4 = S with M implements C4;
// ^^
// [analyzer] COMPILE_TIME_ERROR.RECURSIVE_INTERFACE_INHERITANCE_IMPLEMENTS
// [cfe] 'C4' is a supertype of itself.
void main() {
new C1();
new C2();
new C3();
new C4();
}