// Copyright 2018 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
//       copyright notice, this list of conditions and the following
//       disclaimer in the documentation and/or other materials provided
//       with the distribution.
//     * Neither the name of Google Inc. nor the names of its
//       contributors may be used to endorse or promote products derived
//       from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

// Flags: --expose-async-hooks

// Check for chained promises asyncIds relation
(function() {
  let asyncIds = [], triggerIds = [];
  let ah = async_hooks.createHook({
    init(asyncId, type, triggerAsyncId, resource) {
      asyncIds.push(asyncId);
      triggerIds.push(triggerAsyncId);
    },
  });
  ah.enable();
  let createdPromise = new Promise(function(resolve) {
    resolve(42);
  }).then(function() {
    assertEquals(3, asyncIds.length, 'Exactly 3 promises should be inited');
    assertEquals(3, triggerIds.length, 'Exactly 3 promises should be inited');
    assertEquals(triggerIds[1], asyncIds[0],
      "Parent promise asyncId doesn't correspond to child triggerAsyncId");
  }).catch((err) => {
    setTimeout(() => {
      throw err;
    }, 0);
  });
})();