blob: 6402f68344df57a11e53f1bb2b936213ef695987 [file] [log] [blame]
// Copyright (c) 2020, 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 X0 and X0 has bound S0
/// and S0 <: 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 used as an argument of type T1. Test mixin members
/// @author sgrekhov@unipro.ru
///
/// This test is generated from test_types/right_nullable_A03.dart and
/// test_cases/arguments_binding_x03.dart. Don't modify it!
/// If you need to change this test, then change one of the files above and then
/// run generator/generator.dart to regenerate the tests.
import '../../utils/common.dart';
class S1 {
const S1();
}
class S0 extends S1 {}
S0 t0Instance = new S0();
S1? t1Instance = new S1();
const t1Default = const S1();
class ArgumentsBindingMixin1_t03 {
S1? m = t1Default;
void superTest(S1? val) {}
void superTestPositioned(S1? val, [S1? val2 = t1Default]) {}
void superTestNamed(S1? val, {S1? val2 = t1Default}) {}
S1? get superGetter => m;
void set superSetter(S1? val) {}
}
class ArgumentsBinding1_t03 extends Object with ArgumentsBindingMixin1_t03 {
test(dynamic t1, dynamic t2) {
superTest(t1);
superTestPositioned(t1);
superTestPositioned(t2, t1);
superTestNamed(t1);
superTestNamed(t2, val2: t1);
superSetter = t1;
m = t1;
superGetter;
}
}
class ArgumentsBindingMixin2_t03<X> {
void superTest(X val) {}
void superTestNamed(X val, {required X val2}) {}
void set superSetter(X val) {}
}
class ArgumentsBinding2_t03<X> extends Object with ArgumentsBindingMixin2_t03<X> {
test(dynamic t1, dynamic t2) {
superTest(t1);
superTestNamed(t2, val2: t1);
superSetter = t1;
}
}
test<T extends S1>(T t0Instance) {
ArgumentsBinding1_t03 c1 = new ArgumentsBinding1_t03();
c1.test(forgetType(t0Instance), t1Instance);
c1.superTest(forgetType(t0Instance));
c1.superTestPositioned(forgetType(t0Instance));
c1.superTestPositioned(t1Instance, forgetType(t0Instance));
c1.superTestNamed(forgetType(t0Instance));
c1.superTestNamed(t1Instance, val2: forgetType(t0Instance));
c1.superSetter = forgetType(t0Instance);
c1.superGetter;
// Test type parameters
ArgumentsBinding2_t03<S1?> c2 = new ArgumentsBinding2_t03<S1?>();
c2.test(forgetType(t0Instance), t1Instance);
c2.superTest(forgetType(t0Instance));
c2.superTestNamed(t1Instance, val2: forgetType(t0Instance));
c2.superSetter = forgetType(t0Instance);
}
main() {
test<S0>(t0Instance);
}