blob: 1e6aa0a0706eb1574b48da9ef6e5fd8474ae3a6d [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:
/// Left Nullable: if T0 is S0? then:
/// - T0 <: T1 iff S0 <: T1 and Null <: T1
/// @description Check that if type T0 is S0? and Null <: T1 but S0 is not
/// subtype 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 local variable of type T1.
/// Assignment to local variable is tested.
/// @author sgrekhov@unipro.ru
/// @author ngl@unipro.ru
///
/// This test is generated from left_nullable_fail_A02.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.
class T1 {
const T1();
}
class S0 {
const S0();
}
S0? t0Instance = new S0();
T1? t1Instance = new T1();
const t1Default = const T1();
class LocalVariableTest {
LocalVariableTest() {
T1? t1 = t0Instance;
// ^^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
}
test() {
T1? t1 = t0Instance;
// ^^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
}
static staticTest() {
T1? t1 = t0Instance;
// ^^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
}
}
main() {
T1? t1 = t0Instance;
// ^^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
bar () {
T1? t1 = t0Instance;
// ^^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
}
}