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f0625ac010
Change-Id: Ia032182ae94e9215c22fe1627dc93495946d4074 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/151640 Reviewed-by: Nicholas Shahan <nshahan@google.com> Commit-Queue: Joshua Litt <joshualitt@google.com>
38 lines
1.3 KiB
Dart
38 lines
1.3 KiB
Dart
// Copyright (c) 2019, 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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// Requirements=nnbd
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import 'dart:_runtime' show legacy, nullable, typeRep, legacyTypeRep;
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import 'package:expect/expect.dart';
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class A {}
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void main() {
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// A?? == A?
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Expect.identical(nullable(typeRep<A?>()), typeRep<A?>());
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// A?* == A?
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Expect.identical(legacy(typeRep<A?>()), typeRep<A?>());
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// A*? == A?
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Expect.identical(nullable(legacyTypeRep<A>()), typeRep<A?>());
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// A** == A*
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Expect.identical(legacy(legacyTypeRep<A>()), legacyTypeRep<A>());
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// The tests below need explicit wrapping in nullable and legacy to ensure
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// they appear at runtime and the runtime library normalizes them correctly.
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// Null? == Null
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Expect.identical(nullable(typeRep<Null>()), typeRep<Null>());
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// Never? == Null
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Expect.identical(nullable(typeRep<Never>()), typeRep<Null>());
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// dynamic? == dynamic
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Expect.identical(nullable(typeRep<dynamic>()), typeRep<dynamic>());
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// void? == void
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Expect.identical(nullable(typeRep<void>()), typeRep<void>());
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// dynamic* == dynamic
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Expect.identical(legacy(typeRep<dynamic>()), typeRep<dynamic>());
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// void* == void
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Expect.identical(legacy(typeRep<void>()), typeRep<void>());
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}
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