Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 49 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/Promise/race/resolve-poisoned-then.js b/js/src/tests/test262/built-ins/Promise/race/resolve-poisoned-then.js
new file mode 100644
index 0000000000..d31b42eacc
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Promise/race/resolve-poisoned-then.js
@@ -0,0 +1,49 @@
+// |reftest| async
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: Resolving with an object with a "poisoned" `then` property
+es6id: 25.4.4.3
+info: |
+    [...]
+    6. Let promiseCapability be NewPromiseCapability(C).
+    [...]
+    11. Let result be PerformPromiseRace(iteratorRecord, promiseCapability, C).
+    [...]
+
+    25.4.4.3.1 Runtime Semantics: PerformPromiseRace
+    1. Repeat
+       [...]
+       j. Let result be Invoke(nextPromise, "then",
+          «promiseCapability.[[Resolve]], promiseCapability.[[Reject]]»).
+
+    25.4.1.3.2 Promise Resolve Functions
+    [...]
+    8. Let then be Get(resolution, "then").
+    9. If then is an abrupt completion, then
+       a. Return RejectPromise(promise, then.[[value]]).
+flags: [async]
+---*/
+
+var value = {};
+var poisonedThen = Object.defineProperty({}, 'then', {
+  get: function() {
+    throw value;
+  }
+});
+var thenable = {
+  then: function(resolve) {
+    resolve(poisonedThen);
+  }
+};
+
+Promise.race([thenable])
+  .then(function() {
+    $DONE('The promise should not be fulfilled.');
+  }, function(val) {
+    if (val !== value) {
+      $DONE('The promise should be rejected with the correct value.');
+      return;
+    }
+    $DONE();
+  });