blob: 0f257c9343ee1729d32b8e77dbc012ce51db782c [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 used as an argument of type T1. Test mixin members
/// @author sgrekhov@unipro.ru
///
/// This test is generated from left_null_A05.dart and
/// arguments_binding_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 S {
const S();
}
Null t0Instance = null;
S? t1Instance = new S();
const t1Default = const S();
class ArgumentsBindingMixin1_t03 {
S? m = t1Default;
void superTest(S? val) {}
void superTestPositioned(S? val, [S? val2 = t1Default]) {}
void superTestNamed(S? val, {S? val2 = t1Default}) {}
S? get superGetter => m;
void set superSetter(S? 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;
}
}
main() {
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
//# <-- NotGenericFunctionType
ArgumentsBinding2_t03<S?> c2 = new ArgumentsBinding2_t03<S?>();
c2.test(forgetType(t0Instance), t1Instance);
c2.superTest(forgetType(t0Instance));
c2.superTestNamed(t1Instance, val2: forgetType(t0Instance));
c2.superSetter = forgetType(t0Instance);
//# -->
}