blob: 623bfb93e86aaa32ec1421651ad1352158cd3d04 [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:
/// Left Legacy if T0 is S0* then:
/// - T0 <: T1 iff S0 <: T1.
/// @description Check that if type T0 is S0* and S0 <: T1 then T0 is subtype of
/// T1.
/// @author sgrekhov@unipro.ru
///
/// @description Check that if type T0 not a subtype of a type T1, then instance
/// of T0 cannot be used as a return value of type T1. Return value is tested.
/// @author sgrekhov@unipro.ru
/// @author ngl@unipro.ru
///
/// This test is generated from test_types/left_legacy_fail_A02.dart and
/// test_cases/return_value_fail_x01.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.
// Requirements=nnbd-weak
import "../../utils/legacy_lib.dart";
class A extends X {
const A();
}
X t0Instance = new X();
A t1Instance = new A();
const t1Default = const A();
A returnValueFunc() => t0Instance;
// ^^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
class ReturnValueTest {
static A staticTestMethod() => t0Instance;
// ^^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
A testMethod() => t0Instance;
// ^^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
A get testGetter => t0Instance;
// ^^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
}
main() {
A returnValueLocalFunc() => t0Instance;
// ^^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
}