Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 45 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/Promise/allSettled/invoke-resolve-get-once-no-calls.js b/js/src/tests/test262/built-ins/Promise/allSettled/invoke-resolve-get-once-no-calls.js
new file mode 100644
index 0000000000..1be9e774be
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Promise/allSettled/invoke-resolve-get-once-no-calls.js
@@ -0,0 +1,45 @@
+// Copyright (C) 2019 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+  Gets constructor's `resolve` method once from zero to many invocations.
+esid: sec-promise.allsettled
+info: |
+  6. Let result be PerformPromiseAllSettled(iteratorRecord, C, promiseCapability).
+
+  Runtime Semantics: PerformPromiseAllSettled
+
+  6. Let promiseResolve be ? Get(constructor, `"resolve"`).
+  7. 1. If IsCallable(promiseResolve) is false, throw a TypeError exception.
+  8. Repeat
+    ...
+    i. Let nextPromise be ? Call(promiseResolve, constructor, « nextValue »).
+features: [Promise.allSettled]
+---*/
+
+var resolve = Promise.resolve;
+var getCount = 0;
+var callCount = 0;
+
+Object.defineProperty(Promise, 'resolve', {
+  configurable: true,
+  get() {
+    getCount += 1;
+    return function() {
+      callCount += 1;
+      return resolve.apply(Promise, arguments);
+    };
+  }
+});
+
+Promise.allSettled([]);
+
+assert.sameValue(
+  getCount, 1, 'Got `resolve` only once for each iterated value'
+);
+assert.sameValue(
+  callCount, 0, '`resolve` not called for empty iterator'
+);
+
+reportCompare(0, 0);