hausner@google.com
b3a2c41d02
I learnt that instantiating an abstract class is a runtime error, not a compile time error. TBR=regis Review URL: https://chromiumcodereview.appspot.com//10894048 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@11567 260f80e4-7a28-3924-810f-c04153c831b5
43 lines
866 B
Dart
43 lines
866 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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interface Ai {
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int foo();
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}
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interface Bi extends Ai default InterfaceTest {
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Bi();
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}
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interface Simple extends Ai { }
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interface Aai { }
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interface Abi { }
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interface Bar { }
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interface Foo extends Bar { }
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interface Baz extends 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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abstract beta();
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abstract String beta1();
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abstract String beta2(double d);
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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(); /// static type warning
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Expect.equals(1, o.foo());
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}
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