dart-sdk/tests/language/async/this_bound_test.dart
Robert Nystrom 16f072c783 Migrate language_2/async to NNBD.
Change-Id: Id66e712eaf52fda2069ce5177aa091e373ad52c1
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/134244
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Nicholas Shahan <nshahan@google.com>
Reviewed-by: Erik Ernst <eernst@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>
2020-02-27 23:04:03 +00:00

60 lines
1,022 B
Dart

// Copyright (c) 2015, 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.
import "package:expect/expect.dart";
import "package:async_helper/async_helper.dart";
class A {
int a = -1;
@pragma('dart2js:noInline')
foo(ignored, val) {
Expect.equals(val, this.a);
}
}
testA() async {
var a = new A();
a.foo(await false, -1);
a.a = 0;
a.foo(await false, 0);
}
@pragma('dart2js:noInline')
@pragma('dart2js:assumeDynamic')
confuse(x) => x;
class B {
var f;
var b = 10;
B(this.f);
bar(x) => b;
}
foo(x) => 499;
bar(x) => 42;
change(x) {
x.f = (x) => 99;
}
testB() async {
var b = confuse(new B(foo));
Expect.equals(99, b.f(await change(b)));
var b2 = confuse(new B(bar));
Expect.equals(10, b2.f(await (b2.f = b2.bar)));
}
test() async {
await testA();
await testB();
}
void main() {
asyncStart();
test().then((_) => asyncEnd());
}