blob: 8087d60395d12ed8686afa586ec63da03e1f9a4a [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:
* Right Promoted Variable: if T1 is a promoted type variable X1 & S1 then:
* - T0 <: T1 iff T0 <: X1 and T0 <: S1
* @description Check that if type T1 is a promoted type variables X1 & S1 and
* T0 <: X1 and T0 <: S1 then T0 is a 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_promoted_variable_A01.dart and
* local_variable_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 X1 {
const X1();
}
class S1 extends X1 {
const S1();
}
class T0 extends S1 {}
T0 t0Instance = new T0();
X1 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() {
X1 t1Instance = new S1();
if (t1Instance is S1) {
foo() {
S1 t1 = t0Instance;
t1 = t0Instance;
}
S1 t1 = t0Instance;
t1 = t0Instance;
foo();
LocalVariableTest x = new LocalVariableTest();
x.test();
LocalVariableTest.staticTest();
}
}