blob: 9b65f00188eaca0bb5ddd07e05de47e6e8b20d0a [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.
// Test that an assignment inside a complex promotion scope defeats all pending
// promotions, whether introduced directly or through LHS or RHS of a logical
// and expression.
class A {}
class B extends A {}
class C extends A {}
class D extends B {}
class E extends D {}
// An invocation of the form `checkNotB(x)` verifies that the static type of `x`
// is not `B`, since `B` is not assignable to `C`.
dynamic checkNotB(C c) => null;
test([A a]) {
if (a is B && a is D) {
if (a is E) {
a = null;
main() {