blob: f781e11978dc66f4f25dd423ed4f753cf2343e9b [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 Null: if T0 is Null then:
/// - if T1 is a type variable (promoted or not) the query is false
/// - If T1 is FutureOr<S> for some S, then the query is true iff Null <: S.
/// - If T1 is Null, S? or S* for some S, then the query is true.
/// - Otherwise, the query is false
/// @description Check that if type T0 is Null and If T1 is S* 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 class member of type T1
/// @author sgrekhov@unipro.ru
///
/// This test is generated from left_null_A06.dart and
/// class_member_x01.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';
// Requirements=nnbd-weak
import "../../utils/legacy_lib.dart";
Null t0Instance = null;
X? t1Instance = new X();
const t1Default = const X();
class ClassMember1_t01 {
static X? s = forgetType(t0Instance);
X? m = forgetType(t0Instance);
X? _p = forgetType(t0Instance);
ClassMember1_t01() {
s = forgetType(t0Instance);
m = forgetType(t0Instance);
_p = forgetType(t0Instance);
}
ClassMember1_t01.named(X? value) {
s = value;
m = value;
_p = value;
}
ClassMember1_t01.short(this.m, this._p);
test() {
s = forgetType(t0Instance);
m = forgetType(t0Instance);
_p = forgetType(t0Instance);
}
set setter(X? val) {
_p = val;
}
X? get getter => forgetType(_p);
static staticTest() {
s = forgetType(t0Instance);
}
static set staticSetter(X? val) {
s = val;
}
static X? get staticGetter => forgetType(t0Instance);
}
class ClassMember2_t01<X> {
X m;
X _p;
ClassMember2_t01(): m = forgetType(t0Instance), _p = forgetType(t0Instance) {
}
ClassMember2_t01.named(X value): m = value, _p = value {
}
ClassMember2_t01.short(this.m, this._p);
test(X v) {
m = v;
_p = v;
}
set setter(X val) {
_p = val;
}
X? get getter => forgetType(_p);
}
main() {
ClassMember1_t01 c1 = new ClassMember1_t01();
c1 = new ClassMember1_t01.short(forgetType(t0Instance),
forgetType(t0Instance));
c1 = new ClassMember1_t01.named(forgetType(t0Instance));
c1.m = forgetType(t0Instance);
c1.test();
c1.setter = forgetType(t0Instance);
c1.getter;
ClassMember1_t01.s = forgetType(t0Instance);
ClassMember1_t01.staticTest();
ClassMember1_t01.staticSetter = forgetType(t0Instance);
ClassMember1_t01.staticGetter;
// Test type parameters
//# <-- NotGenericFunctionType
ClassMember2_t01<X?> c2 = new ClassMember2_t01<X?>();
c2 = new ClassMember2_t01<X?>.short(forgetType(t0Instance),
forgetType(t0Instance));
c2 = new ClassMember2_t01<X?>.named(forgetType(t0Instance));
c2.m = forgetType(t0Instance);
c2.test(forgetType(t0Instance));
c2.getter;
//# -->
}