Adding upstream version 124.0.1.upstream/124.0.1

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

1 files changed, 33 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/FinalizationRegistry/instance-extensible.js b/js/src/tests/test262/built-ins/FinalizationRegistry/instance-extensible.js
new file mode 100644
index 0000000000..b8e9fb09ce
--- /dev/null
+++ b/js/src/tests/test262/built-ins/FinalizationRegistry/instance-extensible.js
@@ -0,0 +1,33 @@
+// |reftest| skip-if(!this.hasOwnProperty('FinalizationRegistry')) -- FinalizationRegistry is not enabled unconditionally
+// Copyright (C) 2019 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-finalization-registry-target
+description: Instances of FinalizationRegistry are extensible
+info: |
+  FinalizationRegistry ( cleanupCallback )
+
+  ...
+  3. Let finalizationRegistry be ? OrdinaryCreateFromConstructor(NewTarget,  "%FinalizationRegistryPrototype%", « [[Realm]], [[CleanupCallback]], [[Cells]], [[IsFinalizationRegistryCleanupJobActive]] »).
+  ...
+  9. Return finalizationRegistry.
+
+  OrdinaryCreateFromConstructor ( constructor, intrinsicDefaultProto [ , internalSlotsList ] )
+
+  ...
+  2. Let proto be ? GetPrototypeFromConstructor(constructor, intrinsicDefaultProto).
+  3. Return ObjectCreate(proto, internalSlotsList).
+
+  ObjectCreate ( proto [ , internalSlotsList ] )
+
+  4. Set obj.[[Prototype]] to proto.
+  5. Set obj.[[Extensible]] to true.
+  6. Return obj.
+features: [FinalizationRegistry]
+---*/
+
+var finalizationRegistry = new FinalizationRegistry(function() {});
+assert.sameValue(Object.isExtensible(finalizationRegistry), true);
+
+reportCompare(0, 0);