mirror of
https://github.com/dart-lang/sdk
synced 2024-09-20 07:31:33 +00:00
39 lines
1,002 B
Dart
39 lines
1,002 B
Dart
|
// Copyright (c) 2013, 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.
|
||
|
|
||
|
// Regression test for dart2js that used to duplicate some `Object`
|
||
|
// methods to handle `noSuchMethod`.
|
||
|
|
||
|
import "package:expect/expect.dart";
|
||
|
import "compiler_annotations.dart";
|
||
|
|
||
|
abstract //# 01: static type warning
|
||
|
class Foo {
|
||
|
noSuchMethod(im) => 42;
|
||
|
}
|
||
|
|
||
|
@DontInline()
|
||
|
returnFoo() {
|
||
|
(() => 42)();
|
||
|
return new Foo();
|
||
|
}
|
||
|
|
||
|
class Bar {
|
||
|
operator ==(other) => false;
|
||
|
}
|
||
|
|
||
|
var a = [false, true, new Object(), new Bar()];
|
||
|
|
||
|
main() {
|
||
|
if (a[0]) {
|
||
|
// This `==` call will make the compiler create a selector with an
|
||
|
// exact `TypeMask` of `Foo`. Since `Foo` is abstract, such a call
|
||
|
// cannot happen, but we still used to generate a `==` method on
|
||
|
// the `Object` class to handle `noSuchMethod`.
|
||
|
print(returnFoo() == 42);
|
||
|
} else {
|
||
|
Expect.isFalse(a[2] == 42);
|
||
|
}
|
||
|
}
|