blob: bb474b1038e76168b176b1ffce1cb2d746a4fc65 [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:
/// Left Nullable: if T0 is S0? then:
/// - T0 <: T1 iff S0 <: T1 and Null <: T1
/// @description Check that if type T0 is S0? and S0 <: T1 and Null <: T1 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 be assigned to the superclass member of type T1
/// @author sgrekhov@unipro.ru
///
/// This test is generated from left_nullable_A01.dart and
/// class_member_x02.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.
class T1 {
const T1();
}
class S0 extends T1 {
const S0();
}
S0? t0Instance = new S0();
T1? t1Instance = new T1();
const t1Default = const T1();
class ClassMemberSuper1_t02 {
T1? m = t1Default;
ClassMemberSuper1_t02(dynamic value) {
m = value;
}
ClassMemberSuper1_t02.named(dynamic value) {
m = value;
}
ClassMemberSuper1_t02.short(this.m);
void set superSetter(T1? val) {}
}
class ClassMember1_t02 extends ClassMemberSuper1_t02 {
ClassMember1_t02() : super(t0Instance) {}
ClassMember1_t02.named() : super.named(t0Instance) {}
ClassMember1_t02.short() : super.short(t0Instance);
test() {
m = t0Instance;
superSetter = t0Instance;
}
}
main() {
ClassMember1_t02 c1 = new ClassMember1_t02();
c1 = new ClassMember1_t02.short();
c1 = new ClassMember1_t02.named();
c1.m = t0Instance;
c1.test();
c1.superSetter = t0Instance;
}