Robert Nystrom
fc1b1ecc71
Change-Id: Idbcc965a27e9ffeedf5e0a1068b019de4193070f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/127745 Commit-Queue: Bob Nystrom <rnystrom@google.com> Reviewed-by: Alexander Thomas <athom@google.com>
42 lines
1.1 KiB
Dart
42 lines
1.1 KiB
Dart
// Copyright (c) 2013, 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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import "package:expect/expect.dart";
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class A {
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final a;
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A(this.a); // Not const.
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const A.five() : a = 5;
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}
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class B extends A {
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final b;
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B(x)
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: b = x + 1,
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super(x);
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// Const constructor cannot call non-const super constructor.
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const B.zerofive() : b = 0, super(5);
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// ^^^^^^^^
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// [analyzer] COMPILE_TIME_ERROR.CONST_CONSTRUCTOR_WITH_NON_CONST_SUPER
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// [cfe] A constant constructor can't call a non-constant super constructor.
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}
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class C extends A {
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C() : super(0);
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// Implicit call to non-const constructor A(x).
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const C.named(x);
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// ^
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// [analyzer] COMPILE_TIME_ERROR.CONST_CONSTRUCTOR_WITH_NON_CONST_SUPER
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// [cfe] The superclass, 'A', has no unnamed constructor that takes no arguments.
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// ^^^^^^^
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// [analyzer] COMPILE_TIME_ERROR.NO_DEFAULT_SUPER_CONSTRUCTOR
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}
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main() {
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var b = new B.zerofive();
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var b1 = new B(0);
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var c = new C.named("");
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}
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