resolved-then-catch-finally.js

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// |reftest| async

// Copyright (C) 2020 Rick Waldron. All rights reserved.

// This code is governed by the BSD license found in the LICENSE file.

/*---

esid: sec-promise.race

description: >

  Resolution the first resolved promise

info: |

  PerformPromiseRace

  Repeat,

    Let next be IteratorStep(iteratorRecord).

    If next is an abrupt completion, set iteratorRecord.[[Done]] to true.

    ReturnIfAbrupt(next).

    If next is false, then

      Set iteratorRecord.[[Done]] to true.

      Return resultCapability.[[Promise]].

    Let nextValue be IteratorValue(next).

    If nextValue is an abrupt completion, set iteratorRecord.[[Done]] to true.

    ReturnIfAbrupt(nextValue).

    Let nextPromise be ? Call(promiseResolve, constructor, « nextValue »).

    Perform ? Invoke(nextPromise, "then", « resultCapability.[[Resolve]], resultCapability.[[Reject]] »).

flags: [async]

---*/

let a = Promise.reject('a').catch((v) => v);

let b = Promise.resolve('b').then((v) => { throw v });

let c = Promise.reject('c').then((v) => { throw v; });

let d = Promise.resolve('d').finally((v) => v);

let e = Promise.reject('e').finally((v) => v);

let f = Promise.resolve('f').finally((v) => { throw v; });

let g = Promise.reject('g').finally((v) => { throw v; });

let h = Promise.reject('h').then((v) => v, () => 'j');

let i = Promise.resolve('i').then(v => v);

Promise.race([a, b, c, d, e, f, g, h, i]).then(winner => {

  assert.sameValue(winner, 'a');

}).then($DONE, $DONE);