John Messerly
42 lines
910 B
Dart
42 lines
910 B
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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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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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() { return 1; }
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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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// instantiate an abstract class
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var o = new Bi(); /// 00: static type warning
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}
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