LibTest/async/Zone/runBinary_A01_t02.dart

// Copyright (c) 2011, 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.

/// @assertion R runBinary<R, T1, T2>(
///                                    R action(T1 argument1, T2 argument2),
///                                    T1 argument1,
///                                    T2 argument2
///                                   )
///    Executes the given action with argument1 and argument2 in this zone.
///    As run except that action is called with two arguments instead of none.
/// Executes the given callback f with argument arg1 and arg2 in this zone.
/// @description Checks that synchronous [action] exceptions are not caught
/// in zone.
/// @author a.semenov@unipro.ru

import "dart:async";
import "../../../Utils/expect.dart";

main() {
  int handlerCallCount = 0;

  void handler(Zone self, ZoneDelegate parent, Zone zone, e, st) {
    handlerCallCount++;
  }

  Zone zone = Zone.current
      .fork(specification: new ZoneSpecification(handleUncaughtError: handler));

  int action(int x, String y) {
    throw "action error";
  }

  Expect.throws(() => zone.runBinary<int, int, String>(action, 1, "2"),
      (e) => e == "action error");
  Expect.equals(0, handlerCallCount);
}