blob: 3a81d245abc5cbc4084f02c16239e2bd17b57edc [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:
/// Function Type/Function: T0 is a function type and T1 is Function
/// @description Check that if type T0 is a function type and T1 is Function then
/// T0 is a subtype of T1. Test void function without actual arguments but
/// returning some value
/// @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 function_type_function_A02.dart and
/// return_value_x01.dart.
/// Don't modify it. If you want to change this test, change one of the files
/// above and then run generator.dart to regenerate the tests.
class C {}
typedef void T0();
void t0Instance() => new C();
Function t1Instance = () {};
void foo() {}
const t1Default = foo;
Function returnValueFunc() => t0Instance;
class ReturnValueTest {
static Function staticTestMethod() => t0Instance;
Function testMethod() => t0Instance;
Function get testGetter => t0Instance;
}
main() {
Function returnValueLocalFunc() => t0Instance;
returnValueFunc();
returnValueLocalFunc();
ReturnValueTest.staticTestMethod();
new ReturnValueTest().testMethod();
new ReturnValueTest().testGetter;
}