blob: 8e4c73c8bace29d203a515221b0fdd36bcee92d7 [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:
* Right FutureOr: T1 is FutureOr<S1> and
* either T0 <: Future<S1>
* or T0 <: S1
* or T0 is X0 and X0 has bound S0 and S0 <: T1
* or T0 is X0 & S0 and S0 <: T1
* @description Check that if a type T1 is Future<S1> and a type T0 is X0 and
* X0 has bound S0 and S0 is not a subtype of Future<S1> or S1, then a type T0
* is not a subtype of a type T1.
* @author ngl@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.
* @compile-error
* @author sgrekhov@unipro.ru
* @author ngl@unipro.ru
*/
/*
* This test is generated from right_FutureOr_fail_A02.dart and
* local_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 "dart:async";
class S1 {}
class S0 {}
class X0 extends S0 {
}
X0 t0Instance = new X0();
FutureOr<S1> t1Instance = new Future.value(new S1());
class LocalVariableTest {
LocalVariableTest() {
FutureOr<S1> t1 = null;
t1 = t0Instance; //# 03: compile-time error
}
LocalVariableTest.valid() {}
test() {
FutureOr<S1> t1 = null;
t1 = t0Instance; //# 04: compile-time error
}
static staticTest() {
FutureOr<S1> t1 = null;
t1 = t0Instance; //# 05: compile-time error
}
}
main() {
FutureOr<S1> t1 = null;
t1 = t0Instance; //# 01: compile-time error
bar () {
FutureOr<S1> t1 = null;
t1 = t0Instance; //# 02: compile-time error
}
bar(); //# 02: compile-time error
new LocalVariableTest(); //# 03: compile-time error
new LocalVariableTest.valid().test(); //# 04: compile-time error
LocalVariableTest.staticTest(); //# 05: compile-time error
}