Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 40 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/AsyncFunction/instance-construct-throws.js b/js/src/tests/test262/built-ins/AsyncFunction/instance-construct-throws.js
new file mode 100644
index 0000000000..e51c40a3e3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/AsyncFunction/instance-construct-throws.js
@@ -0,0 +1,40 @@
+// Copyright 2016 Microsoft, Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+author: Brian Terlson <brian.terlson@microsoft.com>
+esid: sec-async-function-instances
+description: >
+  Async function instances are not constructors and do not have a
+  [[Construct]] slot.
+info: |
+    25.5.1.1 AsyncFunction( p1, p2, … , pn, body )
+
+    ...
+    3. Return CreateDynamicFunction(C, NewTarget, "async", args).
+
+    19.2.1.1.1 Runtime Semantics: CreateDynamicFunction( constructor, newTarget, kind, args )
+
+    ...
+    33. Perform FunctionInitialize(F, Normal, parameters, body, scope).
+    34. If kind is "generator", then
+        ...
+    35. Else if kind is "normal", perform MakeConstructor(F).
+    36. NOTE: Async functions are not constructable and do not have a [[Construct]] internal method
+        or a  "prototype" property.
+    ...
+---*/
+
+async function foo() {}
+assert.throws(TypeError, function() {
+  new foo();
+});
+
+var AsyncFunction = Object.getPrototypeOf(foo).constructor;
+var instance = AsyncFunction();
+
+assert.throws(TypeError, function() {
+  new instance();
+})
+
+reportCompare(0, 0);