blob: eb0c565b10abc362d11d76ca531ae61e4220b32b [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 there is no i, such that Si <: T1, then T0 is not
* subtype of T1
* @author sgrekhov@unipro.ru
*/
/**
* @description Check that if type T0 is not a subtype of a type T1, then
* instance of T0 cannot be be assigned to the to global variable of type T1
* @author sgrekhov@unipro.ru
*/
/*
* This test is generated from super_interface_fail_A01.dart and
* global_variable_fail_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';
import '../../../../Utils/expect.dart';
// SharedOptions=--enable-experiment=non-nullable
class T1 {
const T1();
}
// Missing subtype relation to T1
abstract class S0 {}
abstract class S1 {}
abstract class S2 {}
abstract class T0 implements S0, S1, S2 {}
class T implements T0 {}
T0 t0Instance = new T();
T1 t1Instance = new T1();
const t1Default = const T1();
class GlobalVariableTest {
GlobalVariableTest() {
t1Instance = forgetType(t0Instance);
}
GlobalVariableTest.valid() {}
foo() {
t1Instance = forgetType(t0Instance);
}
static test() {
t1Instance = forgetType(t0Instance);
}
}
main() {
bar () {
t1Instance = forgetType(t0Instance);
}
Expect.throws(() {
t1Instance = forgetType(t0Instance);
}, (e) => e is TypeError);
Expect.throws(() {
bar();
}, (e) => e is TypeError);
Expect.throws(() {
new GlobalVariableTest();
}, (e) => e is TypeError);
Expect.throws(() {
new GlobalVariableTest.valid().foo();
}, (e) => e is TypeError);
Expect.throws(() {
GlobalVariableTest.test();
}, (e) => e is TypeError);
}