Robert Nystrom
507ebbf31f
Change-Id: I6fd1568fd24c0ae1ad3a6f6922cc4ece1b11d35b Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/148952 Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Erik Ernst <eernst@google.com> Commit-Queue: Bob Nystrom <rnystrom@google.com>
47 lines
1.0 KiB
Dart
47 lines
1.0 KiB
Dart
// Copyright (c) 2012, 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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// Dart test program for testing Interfaces.
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abstract class Ai {
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int foo();
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}
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abstract class Bi implements Ai {
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factory Bi() = InterfaceTest;
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// ^
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// [cfe] Factory redirects to class 'InterfaceTest', which is abstract and can't be instantiated.
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// ^^^^^^^^^^^^^
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// [analyzer] COMPILE_TIME_ERROR.REDIRECT_TO_ABSTRACT_CLASS_CONSTRUCTOR
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}
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abstract class Simple implements Ai {}
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abstract class Aai {}
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abstract class Abi {}
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abstract class Bar {}
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abstract class Foo implements Bar {}
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abstract class Baz implements Bar, Foo {}
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abstract class InterfaceTest implements Ai, Aai, Abi, Baz, Bi {
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var f;
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InterfaceTest() {}
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int foo() {
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return 1;
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}
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// intentionally unimplemented methods
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beta(); // Abstract.
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String beta1(); // Abstract.
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String beta2(double d); // Abstract.
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}
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main() {
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new Bi();
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}
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