blob: e0ba0f10bc8595dcd848567b1886a1d978efb7e1 [file] [log] [blame]
/*
* Copyright (c) 2020, 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 S0 <: T1 but Null 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 global variable of type T1.
* Assignment to global variable is tested.
* @author sgrekhov@unipro.ru
* @author ngl@unipro.ru
*/
/*
* This test is generated from left_nullable_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.
*/
class T1 {
const T1();
}
class S0 extends T1 {
const S0();
}
S0? t0Instance = null;
T1 t1Instance = new T1();
const t1Default = const T1();
class GlobalVariableTest {
GlobalVariableTest() {
t1Instance = t0Instance;
// ^^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
}
foo() {
t1Instance = t0Instance;
// ^^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
}
static test() {
t1Instance = t0Instance;
// ^^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
}
}
main() {
t1Instance = t0Instance;
// ^^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
bar () {
t1Instance = t0Instance;
// ^^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
}
}