blob: 0d2f36acb5ed13ab0832d034ca02e9ed27713241 [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:
* Super-Interface: T0 is an interface type with super-interfaces S0,...Sn
* - and Si <: T1 for some i
* @description Check that if type T0 is an interface type with super-interfaces
* S0,...Sn and and Si <: T1 for some i then T0 is a subtype of a type T1. Test
* the case when S1 extends 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 super_interface_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.
*/
class T1 {}
abstract class S0 {}
abstract class S1 extends T1 {}
abstract class S2 {}
abstract class T0 implements S0, S1, S2 {}
class T implements T0 {}
T0 t0Instance = new T();
T1 t1Instance = new T1();
T1 returnValueFunc() => t0Instance;
class ReturnValueTest {
static T1 staticTestMethod() => t0Instance;
T1 testMethod() => t0Instance;
T1 get testGetter => t0Instance;
}
main() {
T1 returnValueLocalFunc() => t0Instance;
returnValueFunc();
returnValueLocalFunc();
ReturnValueTest.staticTestMethod();
new ReturnValueTest().testMethod();
new ReturnValueTest().testGetter;
}