Lasse R.H. Nielsen
2a38b22aed
Mostly interface on classes that can't be extended anyway. A few `final` implementation classes. Tested: No new functionality, only restrictions. CoreLibraryReviewExempt: Just modifiers. Change-Id: I1f298fe43836892c94c0b23326fda37b1904ec6a Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/293683 Auto-Submit: Lasse Nielsen <lrn@google.com> Reviewed-by: Nate Bosch <nbosch@google.com> Commit-Queue: Lasse Nielsen <lrn@google.com>
64 lines
2.0 KiB
Dart
64 lines
2.0 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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abstract class CustomType implements Type {
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void call() {}
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}
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abstract class CustomInvocation implements Invocation {}
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abstract class Class {
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CustomType get runtimeType;
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String noSuchMethod(covariant CustomInvocation invocation);
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bool operator ==(covariant Class o);
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String toString({Object o});
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}
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main() {}
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void test(Class c1, Class? c2, Invocation invocation,
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CustomInvocation customInvocation) {
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CustomType runtimeType1 = c1.runtimeType; // ok
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var runtimeTypeVariable1 = c1.runtimeType;
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c1.runtimeType(); // ok
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String Function(CustomInvocation) noSuchMethodTearOff1 =
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c1.noSuchMethod; // ok
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var noSuchMethodTearOffVariable1 = c1.noSuchMethod;
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String noSuchMethod1a = c1.noSuchMethod(customInvocation); // ok
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String noSuchMethod1b = c1.noSuchMethod(invocation); // error
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var noSuchMethodVariable1 = c1.noSuchMethod(customInvocation);
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c1 == ''; // error
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c1 == c2; // ok
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String Function({Object o}) toStringTearOff1 = c1.toString; // ok
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var toStringTearOffVariable1 = c1.toString;
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c1.toString(o: c1); // ok
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CustomType runtimeType2 = c2.runtimeType; // error
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var runtimeTypeVariable2 = c2.runtimeType;
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c2.runtimeType(); // error
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String Function(CustomInvocation) noSuchMethodTearOff2 =
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c2.noSuchMethod; // error
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var noSuchMethodTearOffVariable2 = c2.noSuchMethod;
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int noSuchMethod2 = c2.noSuchMethod(invocation); // ok
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var noSuchMethodVariable2 = c2.noSuchMethod(invocation);
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// TODO(johnniwinther): Awaiting spec update about `==`. Before NNBD this
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// would cause an error but with the current (insufficient) specification for
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// `==` it is ok (even though `c1 == ''` is an error).
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c2 == ''; // ok or error?
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c2 == c1; // ok
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String Function({Object o}) toStringTearOff2 = c2.toString; // error
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var toStringTearOffVariable2 = c2.toString;
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c2.toString(o: c1); // error
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}
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