blob: aa936ec945dfc0c97d1201ec95382948a7c3d83d [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 assigned to the to local variable of type T1
/// @author sgrekhov@unipro.ru
///
/// This test is generated from super_interface_fail_A01.dart and
/// local_variable_fail_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.
import '../../utils/common.dart';
import '../../../../Utils/expect.dart';
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 LocalVariableTest {
LocalVariableTest() {
T1 t1 = forgetType(t0Instance);
}
LocalVariableTest.valid() {}
static staticTest() {
T1 t1 = forgetType(t0Instance);
}
test() {
T1 t1 = forgetType(t0Instance);
}
}
main() {
bar () {
T1 t1 = forgetType(t0Instance);
}
Expect.throws(() {
T1 t1 = forgetType(t0Instance);
}, (e) => e is TypeError || e is CastError);
Expect.throws(() {
bar();
}, (e) => e is TypeError || e is CastError);
Expect.throws(() {
new LocalVariableTest();
}, (e) => e is TypeError || e is CastError);
Expect.throws(() {
new LocalVariableTest.valid().test();
}, (e) => e is TypeError || e is CastError);
Expect.throws(() {
LocalVariableTest.staticTest();
}, (e) => e is TypeError || e is CastError);
}