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46ceec41d2
Change-Id: I0cfd2ad9e59c985f632d7038a64d903f6b472dd1 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/199480 Auto-Submit: Lasse R.H. Nielsen <lrn@google.com> Commit-Queue: Lasse R.H. Nielsen <lrn@google.com> Reviewed-by: Erik Ernst <eernst@google.com>
65 lines
1.9 KiB
Dart
65 lines
1.9 KiB
Dart
// Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// This test verifies that cyclic type alias definitions cause a compile-time
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// error, when the cycle occurs via the bound.
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typedef T1<X extends T1<Never>> = List<X>;
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// ^
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// [analyzer] unspecified
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// [cfe] unspecified
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// Note: when the cycle involves two typedefs, the CFE only reports an error for
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// one of them; that's ok.
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typedef T2<X extends T3> = List<X>;
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// ^
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// [analyzer] unspecified
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typedef T3 = T2<Never>;
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// ^
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// [analyzer] unspecified
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// [cfe] unspecified
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typedef T4<X extends List<T4<Never>>> = List<X>;
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// ^
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// [analyzer] unspecified
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// [cfe] unspecified
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typedef T5<X extends T5<Never> Function()> = List<X>;
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// ^
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// [analyzer] unspecified
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// [cfe] unspecified
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typedef T6<X extends void Function(T6<Never>)> = List<X>;
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// ^
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// [analyzer] unspecified
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// [cfe] unspecified
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// Note: not an error because T7 is the name of the parameter.
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typedef T7<X extends void Function(int T7)> = List<X>;
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typedef T8<X extends void Function([T8<Never>])> = List<X>;
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// ^
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// [analyzer] unspecified
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// [cfe] unspecified
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// Note: not an error because T9 is the name of the parameter.
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typedef T9<X extends void Function([int T9])> = List<X>;
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typedef T10<X extends void Function({T10<Never> x})> = List<X>;
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// ^
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// [analyzer] unspecified
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// [cfe] unspecified
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// Note: not an error because T11 is the name of the parameter.
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typedef T11<X extends void Function({int T11})> = List<X>;
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// Note: we have to use `void Function<...>() Function()` because a generic
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// function can't directly be used as a bound.
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typedef T12<X extends void Function<Y extends T12<Never>>() Function()> = List<X>;
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// ^
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// [analyzer] unspecified
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// [cfe] unspecified
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