blob: 07aa5f560839d5dd23f76b2b69b96bf847e4767e [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 FutureOr: T0 is FutureOr<S0>
/// and Future<S0> <: T1
/// and S0 <: T1
/// @description Check that if a type T0 is FutureOr<S0> and Future<S0> and S0
/// are subtypes of a type T1, then a type T0 is a subtype of a type T1. Case
/// when an instance of T0 is an instance of S0 type and S0 is a generic type
/// @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 to local variable of type T1
/// @author sgrekhov@unipro.ru
///
/// This test is generated from left_FutureOr_A03.dart and
/// local_variable_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 "dart:async";
class A {}
class B extends A {}
class C<X> {
const C();
}
class S0<X> extends C<X> {}
FutureOr<S0<B>> t0Instance = new S0<B>();
FutureOr<C<A>> t1Instance = new Future<C<A>>.value(new C());
const t1Default = const C<A>();
class LocalVariableTest {
LocalVariableTest() {
FutureOr<C<A>> t1 = t0Instance;
t1 = t0Instance;
}
static staticTest() {
FutureOr<C<A>> t1 = t0Instance;
t1 = t0Instance;
}
test() {
FutureOr<C<A>> t1 = t0Instance;
t1 = t0Instance;
}
}
main() {
foo() {
FutureOr<C<A>> t1 = t0Instance;
t1 = t0Instance;
}
FutureOr<C<A>> t1 = t0Instance;
t1 = t0Instance;
foo();
LocalVariableTest x = new LocalVariableTest();
x.test();
LocalVariableTest.staticTest();
}