floitsch@google.com
2e04791d8e
This version does the check in the resolver and uses the constant values and not just the types. As such, it also follows the constructor chain. R=karlklose@google.com Review URL: https://codereview.chromium.org//184663004 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@33239 260f80e4-7a28-3924-810f-c04153c831b5
47 lines
1.1 KiB
Dart
47 lines
1.1 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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import "package:expect/expect.dart";
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class A {
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const A();
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const factory A.B() = B;
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const factory A.C() = C;
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const factory A.C2() = D;
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}
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class B implements A {
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const B();
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operator ==(o) => true; /// 00: compile-time error
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}
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class C implements A {
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final int x;
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const C() : x = 0;
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const C.fromD() : x = 1;
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}
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class D implements C {
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const factory D() = C.fromD;
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}
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main() {
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switch (new B()) {
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case const A.B(): Expect.fail("bad switch"); break; /// 00: continued
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}
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switch (new C()) {
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case const C(): Expect.fail("bad switch"); break;
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case const A.C(): Expect.fail("bad switch"); break;
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case const A.C2(): Expect.fail("bad switch"); break;
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case const A(): Expect.fail("bad switch"); break; /// 01: compile-time error
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}
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switch (new A()) {
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case const A(): Expect.fail("bad switch"); break;
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case const A.B(): Expect.fail("bad switch"); break; /// 02: compile-time error
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}
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}
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