blob: 406fb850bb449230875441ce7a43a94917263441 [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 Top: if T0 is dynamic or void then T0 <: T1 if Object? <: T1
* @description Check that if type T0 is void and Object? <: T1 then T0 is a
* subtype of a type T1.
* @author sgrekhov@unipro.ru
*/
/**
* @description Check that if type T0 is a subtype of a type T1, then instance
* of T0 can be be used as a return value of type T1
* @author sgrekhov@unipro.ru
*/
/*
* This test is generated from left_top_A02.dart and
* return_value_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.
*/
// SharedOptions=--enable-experiment=non-nullable
class T1 {}
void t0Instance = "Show must go on";
T1? t1Instance = new T1();
Object? returnValueFunc() => t0Instance;
class ReturnValueTest {
static Object? staticTestMethod() => t0Instance;
Object? testMethod() => t0Instance;
Object? get testGetter => t0Instance;
}
main() {
Object? returnValueLocalFunc() => t0Instance;
returnValueFunc();
returnValueLocalFunc();
ReturnValueTest.staticTestMethod();
new ReturnValueTest().testMethod();
new ReturnValueTest().testGetter;
}