Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 53 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/Promise/race/iter-step-err-no-close.js b/js/src/tests/test262/built-ins/Promise/race/iter-step-err-no-close.js
new file mode 100644
index 0000000000..624fc107e8
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Promise/race/iter-step-err-no-close.js
@@ -0,0 +1,53 @@
+// 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 when advancing the provided iterable (not closing iterator)
+esid: sec-promise.race
+info: |
+    [...]
+    11. Let result be PerformPromiseRace(iteratorRecord, promiseCapability, C).
+    12. If result is an abrupt completion, then
+        a. If iteratorRecord.[[done]] is false, let result be
+           IteratorClose(iterator,result).
+        b. IfAbruptRejectPromise(result, promiseCapability).
+
+    25.4.4.3.1 Runtime Semantics: PerformPromiseRace
+    1. Repeat
+       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+       c. ReturnIfAbrupt(next).
+features: [Symbol.iterator]
+---*/
+
+var iterStepThrows = {};
+var poisonedDone = {};
+var returnCount = 0;
+var error = new Test262Error();
+Object.defineProperty(poisonedDone, 'done', {
+  get: function() {
+    throw error;
+  }
+});
+Object.defineProperty(poisonedDone, 'value', {
+  get: function() {
+    throw new Test262Error('The `value` property should not be accessed.');
+  }
+});
+
+iterStepThrows[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return poisonedDone;
+    },
+    return: function() {
+      returnCount += 1;
+    }
+  };
+};
+
+Promise.race(iterStepThrows);
+
+assert.sameValue(returnCount, 0);
+
+reportCompare(0, 0);