Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 47 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/Promise/all/invoke-resolve-get-once-multiple-calls.js b/js/src/tests/test262/built-ins/Promise/all/invoke-resolve-get-once-multiple-calls.js
new file mode 100644
index 0000000000..1789a4a30b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Promise/all/invoke-resolve-get-once-multiple-calls.js
@@ -0,0 +1,47 @@
+// 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.all
+info: |
+  Runtime Semantics: PerformPromiseAll
+
+  1. Let promiseResolve be ? Get(constructor, `"resolve"`).
+  1. If IsCallable(promiseResolve) is false, throw a TypeError exception.
+  ...
+  1. Repeat,
+    ...
+    1. Let nextPromise be ? Call(promiseResolve, constructor, « nextValue »).
+---*/
+
+var p1 = Promise.resolve(1);
+var p2 = Promise.resolve(1);
+var p3 = Promise.reject(1);
+var p4 = Promise.resolve(1);
+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.all([p1, p2, p3, p4]);
+
+assert.sameValue(
+  getCount, 1, 'Got `resolve` only once for each iterated value'
+);
+assert.sameValue(
+  callCount, 4, '`resolve` invoked once for each iterated value'
+);
+
+reportCompare(0, 0);