dart-sdk/tests/language_2/const_constructor_super_test.dart
Bob Nystrom e2cc730067 Migrate blocks 51 and 52.
It looks like some of the tests in this block were already migrated,
but I re-migrated them and made a few tweaks that I think make them
better 2.0 tests.

Change-Id: I6d9058a53408f046d7db34f2244eeeb2c5eda625
Reviewed-on: https://dart-review.googlesource.com/13620
Reviewed-by: Ben Konyi <bkonyi@google.com>
2017-10-13 22:46:23 +00:00

34 lines
803 B
Dart

// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
import "package:expect/expect.dart";
class A {
final a;
A(this.a); // Not const.
const A.five() : a = 5;
}
class B extends A {
final b;
B(x)
: b = x + 1,
super(x);
// Const constructor cannot call non-const super constructor.
const B.zerofive() : b = 0, super(5); //# 01: compile-time error
}
class C extends A {
C() : super(0);
// Implicit call to non-const constructor A(x).
const C.named(x); //# 02: compile-time error
}
main() {
var b = new B.zerofive(); //# 01: continued
var b1 = new B(0);
var c = new C.named(""); //# 02: continued
}