blob: d3575da55aa4aa3d11b07c7c0b798c4feecdca26 [file] [log] [blame]
// Copyright (c) 2018, 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.
/// @assertion We say that a type T0 is a subtype of a type T1 (written T0 <: T1)
/// when:
/// Right Nullable: if T1 is S1? then:
/// T0 <: T1 iff any of the following hold:
/// either T0 <: S1
/// or T0 <: Null
/// or T0 is X0 and X0 has bound S0 and S0 <: T1
/// or T0 is X0 & S0 and S0 <: T1
/// @description Check that if type T1 is S1? and T0 is Null then T0 is subtype
/// of T1.
/// @author sgrekhov@unipro.ru
///
/// @description Check that if type T0 is a subtype of a type T1, then instance
/// of T0 can be assigned to the mixin member of type T1
/// @author sgrekhov@unipro.ru
///
/// This test is generated from right_nullable_A02.dart and
/// class_member_x03.dart.
/// Don't modify it. If you want to change this test, change one of the files
/// above and then run generator.dart to regenerate the tests.
import '../../utils/common.dart';
class S1 {
const S1();
}
Null t0Instance = null;
S1? t1Instance = new S1();
const t1Default = const S1();
class ClassMemberMixin1_t03 {
S1? m = t1Default;
void set superSetter(dynamic val) {}
}
class ClassMember1_t03 extends Object with ClassMemberMixin1_t03 {
test() {
m = forgetType(t0Instance);
superSetter = forgetType(t0Instance);
}
}
class ClassMemberMixin2_t03<X> {
void set superSetter(dynamic val) {}
}
class ClassMember2_t03<X> extends Object with ClassMemberMixin2_t03<X> {
X m;
ClassMember2_t03(X x): m = x { }
test() {
m = forgetType(t0Instance);
superSetter = forgetType(t0Instance);
}
}
main() {
ClassMember1_t03 c1 = new ClassMember1_t03();
c1.m = forgetType(t0Instance);
c1.test();
c1.superSetter = forgetType(t0Instance);
// Test type parameters
//# <-- NotGenericFunctionType
ClassMember2_t03<S1?> c2 = new ClassMember2_t03<S1?>(t1Instance);
c2.m = forgetType(t0Instance);
c2.test();
c2.superSetter = forgetType(t0Instance);
//# -->
}