John Messerly
74 lines
2.4 KiB
Dart
74 lines
2.4 KiB
Dart
// Copyright (c) 2014, 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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// SharedOptions=--enable-enum
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// Basic syntax test for enumeration types
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import 'package:expect/expect.dart';
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enum Color { red, orange, yellow, green }
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// Additional comma at end of list is ok.
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enum Veggies { carrot, bean, broccolo, }
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// Need at least one enumeration identifier.
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enum Nada {} /// 01: compile-time error
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// Duplicate entries are a compile-time error
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enum ComeAgain { ahau, knust, zipfel, knust, gupf } /// 02: compile-time error
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// Enum entries must not collide with implicitly defined members.
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enum ComeAgain { ahau, knust, zipfel, index } /// 03: compile-time error
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enum ComeAgain { ahau, knust, zipfel, values } /// 04: compile-time error
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enum ComeAgain { ahau, knust, zipfel, toString } /// 05: compile-time error
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// Enum entry must not collide with enum type name.
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enum ComeAgain { ahau, knust, zipfel, ComeAgain } /// 06: compile-time error
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// Missing comma.
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enum Numbers { one, two, three four, five } /// 07: compile-time error
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// Missing enum type name.
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enum { eins, zwei, drei } /// 08: compile-time error
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// Duplicate name in library scope.
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topLevelFunction() => null;
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enum topLevelFunction { bla, blah } /// 09: compile-time error
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class C {}
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enum C { bla, blah } /// 10: compile-time error
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var zzTop;
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enum zzTop { Billy, Dusty, Frank } /// 11: compile-time error
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// Enum type cannot be super type or interface type.
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class Rainbow extends Color {} /// 20: compile-time error
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class Rainbow implements Color {} /// 21: compile-time error
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class Rainbow extends List with Color {} /// 22: compile-time error
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main() {
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Nada x; /// 01: continued
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var x = ComeAgain.zipfel; /// 02: continued
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var x = ComeAgain.zipfel; /// 03: continued
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var x = ComeAgain.zipfel; /// 04: continued
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var x = ComeAgain.zipfel; /// 05: continued
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var x = ComeAgain.zipfel; /// 06: continued
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var x = Numbers.four; /// 07: continued
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var x = topLevelFunction.bla; /// 09: continued
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var x = C.bla; /// 10: continued
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var x = zzTop.Frank; /// 11: continued
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var x = new Rainbow(); /// 20: continued
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var x = new Rainbow(); /// 21: continued
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var x = new Rainbow(); /// 22: continued
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// It is a compile-time error to explicitly instantiate an enum instance.
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var x = new Color(); /// 30: compile-time error
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}
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