dart-sdk/tests/language_2/field_override_optimization_test.dart
Jaime Wren 5b01202e3a Migrate test block 64
Change-Id: I4c72d401ea22c4c46054924a971cf8cd6ed92575
Reviewed-on: https://dart-review.googlesource.com/12420
Reviewed-by: Janice Collins <jcollins@google.com>
Reviewed-by: Jaime Wren <jwren@google.com>
2017-10-10 18:36:56 +00:00

35 lines
747 B
Dart

// Copyright (c) 2017, 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";
import "package:meta/meta.dart";
class A {
@virtual
final bool flag = true;
@virtual
final int x = 42;
}
class B extends A {
bool flag;
int x;
}
void main() {
A a = new B();
var exception;
try {
if (a.flag) {
Expect.fail('This should be unreachable');
} else {
Expect.fail('This should also be unreachable');
}
} on AssertionError catch (e) {
exception = e;
}
Expect.isTrue(exception is AssertionError);
Expect.throws(() => a.x + 8);
}