blob: a679cb1188d5b77088c52d61af36783f6402964b [file] [log] [blame]
// 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.
class A {}
class B extends A {}
class C {
void set x1(covariant A value) {}
void set x2(A value) {}
void set x3(covariant A value) {}
void set x4(A value) {}
void set x5(covariant A value) {}
void set x6(covariant B value) {}
class D extends C {
void set x1(B value) {} // Ok because covariant is inherited
void set x2(covariant B value) {} // Ok because covariant
void set x3(covariant B value) {} // Ok because covariant
void set x4(
B /*@error=OverrideTypeMismatchParameter*/ value) {} // Not covariant
void set x5(
covariant String /*@error=OverrideTypeMismatchParameter*/ value) {}
void set x6(covariant A value) {} // Always ok
main() {}