blob: df4edfc0c9461741df77a1d1db799bb2cbc99333 [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 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 is X0 and X0 has bound S0
* and S0 <: T1 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_A03.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.
*/
import '../../utils/common.dart';
class S1 {
const S1();
}
class S0 extends S1 {}
S0 t0Instance = new S0();
S1? t1Instance = new S1();
const t1Default = const S1();
class LocalVariableTest {
LocalVariableTest() {
S1? t1 = forgetType(t0Instance);
t1 = forgetType(t0Instance);
}
static staticTest() {
S1? t1 = forgetType(t0Instance);
t1 = forgetType(t0Instance);
}
test() {
S1? t1 = forgetType(t0Instance);
t1 = forgetType(t0Instance);
}
}
test<T extends S1>(T t0Instance) {
foo() {
S1? t1 = forgetType(t0Instance);
t1 = forgetType(t0Instance);
}
S1? t1 = forgetType(t0Instance);
t1 = forgetType(t0Instance);
foo();
LocalVariableTest x = new LocalVariableTest();
x.test();
LocalVariableTest.staticTest();
}
main() {
test<S0>(t0Instance);
}