test262/test/built-ins/Promise/all/invoke-then-get-error-reject.js

// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
  Error thrown when accessing the instance's `then` method (rejecting Promise)
esid: sec-performpromiseall
info: |
    11. Let result be PerformPromiseAll(iteratorRecord, C, promiseCapability).
    12. If result is an abrupt completion,
        a. If iteratorRecord.[[done]] is false, let result be
           IteratorClose(iterator, result).
        b. IfAbruptRejectPromise(result, promiseCapability).

    [...]

    25.4.4.1.1 Runtime Semantics: PerformPromiseAll

    [...]
    6. Repeat
        [...]
        r. Let result be Invoke(nextPromise, "then", «resolveElement,
           resultCapability.[[Reject]]»).
        s. ReturnIfAbrupt(result).
flags: [async]
---*/

var promise = new Promise(function() {});
var error = new Test262Error();

Object.defineProperty(promise, 'then', {
  get: function() {
    throw error;
  }
});

Promise.all([promise]).then(function() {
  $ERROR('The promise should be rejected');
}, function(reason) {
  assert.sameValue(reason, error);
}).then($DONE, $DONE);