John Messerly
48 lines
1.1 KiB
Dart
48 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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int get x => 0;
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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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