blob: ba2390043ebfaa7626314b313d771d012afc4252 [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 Nullable: if T1 is S1? then:
/// T0 <: T1 iff any of the following hold:
/// either T0 <: S1
/// or T0 <: Null
/// or T0 is X0 and X0 has bound S0 and S0 <: T1
/// or T0 is X0 & S0 and S0 <: T1
/// @description Check that if type T1 is S1? and T0 <: S1 then T0 is subtype of
/// T1.
/// @author sgrekhov@unipro.ru
///
/// @description Check that if type T0 is a subtype of a type T1, then instance
/// of T0 can be be assigned to the to local variable of type T1
/// @author sgrekhov@unipro.ru
///
/// This test is generated from right_nullable_A01.dart and
/// local_variable_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 S1 {
const S1();
}
class T0 extends S1 {}
T0 t0Instance = new T0();
S1? t1Instance = new S1();
const t1Default = const S1();
class LocalVariableTest {
LocalVariableTest() {
S1? t1 = t0Instance;
t1 = t0Instance;
}
static staticTest() {
S1? t1 = t0Instance;
t1 = t0Instance;
}
test() {
S1? t1 = t0Instance;
t1 = t0Instance;
}
}
main() {
foo() {
S1? t1 = t0Instance;
t1 = t0Instance;
}
S1? t1 = t0Instance;
t1 = t0Instance;
foo();
LocalVariableTest x = new LocalVariableTest();
x.test();
LocalVariableTest.staticTest();
}