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https://github.com/dart-lang/sdk
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bcf8a7fc51
Change-Id: I6d1045d95d0ea1c7e9a1f9fa8524687ed4dd8480 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/142562 Auto-Submit: Bob Nystrom <rnystrom@google.com> Commit-Queue: Erik Ernst <eernst@google.com> Reviewed-by: Erik Ernst <eernst@google.com>
72 lines
2.4 KiB
Dart
72 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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// Basic syntax test for enumeration types
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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 {
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carrot,
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bean,
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broccolo,
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}
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// Need at least one enumeration identifier.
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enum Nada {} // //# 01: syntax 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: syntax error
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// Missing enum type name.
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enum { eins, zwei, drei } // //# 08: syntax 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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