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// 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.
import "package:expect/expect.dart";
// Regression test for
// dart2js used to optimize [noSuchMethod] based on the user-provided
// argument, and forget that the runtime might call it with its own
// [Invocation] implementation.
class Hey {
foo() => noSuchMethod(new FakeInvocationMirror());
noSuchMethod(x) => x;
class You extends Hey {
// We used to think this method is always called with a
// FakeInvocationMirror instance, but it's also called with the
// internal mirror implementation.
noSuchMethod(x) => x.isGetter;
class FakeInvocationMirror implements Invocation {
final bool isGetter = false;
main() {
var x = new Hey();
Expect.isTrue( is FakeInvocationMirror);
var y = [new You()];