blob: 017c1f4a000e526ea15d94a7c45fd32f0fd69e63 [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 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 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 = forgetType(t0Instance);
t1 = forgetType(t0Instance);
}
static staticTest() {
FutureOr<C<A>> t1 = forgetType(t0Instance);
t1 = forgetType(t0Instance);
}
test() {
FutureOr<C<A>> t1 = forgetType(t0Instance);
t1 = forgetType(t0Instance);
}
}
main() {
foo() {
FutureOr<C<A>> t1 = forgetType(t0Instance);
t1 = forgetType(t0Instance);
}
FutureOr<C<A>> t1 = forgetType(t0Instance);
t1 = forgetType(t0Instance);
foo();
LocalVariableTest x = new LocalVariableTest();
x.test();
LocalVariableTest.staticTest();
}