blob: 8212b51f802ff6e9ac35430957a73a5f79e7e19f [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 Future<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 global variable of type T1
* @author sgrekhov@unipro.ru
*/
/*
* This test is generated from left_FutureOr_A04.dart and
* global_variable_x01.dart.
* Don't modify it. If you want to change this file, change one of the files
* above and then run generator.dart to regenerate the tests.
*/
import '../../utils/common.dart';
// SharedOptions=--enable-experiment=non-nullable
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 Future<S0<B>>.value(new S0<B>());
FutureOr<C<A>> t1Instance = new Future<C<A>>.value(new C<A>());
const t1Default = const C<A>();
class GlobalVariableTest {
GlobalVariableTest() {
t1Instance = forgetType(t0Instance);
}
foo() {
t1Instance = forgetType(t0Instance);
}
static test() {
t1Instance = forgetType(t0Instance);
}
}
main() {
bar () {
t1Instance = forgetType(t0Instance);
}
t1Instance = forgetType(t0Instance);
bar();
GlobalVariableTest t = new GlobalVariableTest();
t.foo();
GlobalVariableTest.test();
}