blob: 4e37f29c4e06d886bd8fd0ee92a2d7afaefa49d5 [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 with positional arguments
* @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_A06.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 C {}
typedef void T0(C c, [dynamic d]);
void t0Instance(C c, [dynamic d]) {}
Function t1Instance = () {};
void foo() {}
const t1Default = foo;
Function returnValueFunc() => forgetType(t0Instance);
class ReturnValueTest {
static Function staticTestMethod() => forgetType(t0Instance);
Function testMethod() => forgetType(t0Instance);
Function get testGetter => forgetType(t0Instance);
}
class ReturnValueGen<X> {
X testMethod() => forgetType(t0Instance);
X get testGetter => forgetType(t0Instance);
}
main() {
Function returnValueLocalFunc() => forgetType(t0Instance);
returnValueFunc();
returnValueLocalFunc();
ReturnValueTest.staticTestMethod();
new ReturnValueTest().testMethod();
new ReturnValueTest().testGetter;
// Test type parameters
//# <-- NotGenericFunctionType
new ReturnValueGen<Function>().testMethod();
new ReturnValueGen<Function>().testGetter;
//# -->
}