// Copyright (c) 2012, 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.

// @dart = 2.7

import "native_testing.dart";

@Native("A")
class A {
  bar() => 42;
}

@Native("B")
class B {
  foo() => 42;
}

makeA() native;

setup() {
  JS('', r"""
(function(){
  function A() {}
  self.makeA = function() { return new A(); };
  self.nativeConstructor(A);
})()""");
  applyTestExtensions(['A']);
}

main() {
  nativeTesting();
  setup();
  var a = makeA();
  a.bar();
  var exception;
  try {
    a.foo();
  } on NoSuchMethodError catch (e) {
    exception = e;
  }
  Expect.isNotNull(exception);
}
