blob: 15698aaa4a5b9768dce644e05239625a6de7b7ff [file] [log] [blame]
// 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.
// @dart = 2.7
import 'package:async_helper/async_helper.dart';
import 'package:expect/expect.dart';
import 'dart:async';
import 'deferred_class_library.dart' deferred as lib;
bool isError(e) => e is Error;
main() {
var x;
Expect.throws(() {
x = new lib.MyClass();
}, isError);
Expect.isNull(x);
int counter = 0;
asyncStart();
lib.loadLibrary().then((_) {
Expect.equals(1, ++counter);
print('deferred_class_library was loaded');
x = new lib.MyClass();
Expect.equals(42, x.foo(87));
asyncEnd();
});
Expect.equals(0, counter);
Expect.isNull(x);
asyncStart();
lib.loadLibrary().then((_) {
Expect.equals(2, ++counter);
print('deferred_class_library was loaded');
x = new lib.MyClass();
Expect.equals(42, x.foo(87));
asyncEnd();
});
Expect.equals(0, counter);
Expect.isNull(x);
Expect.throws(() {
x = new lib.MyClass();
}, isError);
Expect.isNull(x);
}