blob: 1ae7eae068ab2e447c087edb5938c2b11c3af85d [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.
*/
import '../../utils/common.dart';
// SharedOptions=--enable-experiment=non-nullable
class T1 {
const T1();
}
void t0Instance = "Show must go on";
T1? t1Instance = new T1();
const t1Default = const T1();
Object? returnValueFunc() => forgetType(t0Instance);
class ReturnValueTest {
static Object? staticTestMethod() => forgetType(t0Instance);
Object? testMethod() => forgetType(t0Instance);
Object? get testGetter => forgetType(t0Instance);
}
class ReturnValueGen<X> {
X testMethod() => forgetType(t0Instance);
X get testGetter => forgetType(t0Instance);
}
main() {
Object? returnValueLocalFunc() => forgetType(t0Instance);
returnValueFunc();
returnValueLocalFunc();
ReturnValueTest.staticTestMethod();
new ReturnValueTest().testMethod();
new ReturnValueTest().testGetter;
// Test type parameters
//# <-- NotGenericFunctionType
new ReturnValueGen<Object?>().testMethod();
new ReturnValueGen<Object?>().testGetter;
//# -->
}