1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/FinalizationRegistry/unnaffected-by-poisoned-cleanupCallback.js b/js/src/tests/test262/built-ins/FinalizationRegistry/unnaffected-by-poisoned-cleanupCallback.js
new file mode 100644
index 0000000000..a28a89ed91
--- /dev/null
+++ b/js/src/tests/test262/built-ins/FinalizationRegistry/unnaffected-by-poisoned-cleanupCallback.js
@@ -0,0 +1,36 @@
+// |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: >
+  Normal completion even if the cleanupCallback fn is poisoned
+info: |
+  FinalizationRegistry ( cleanupCallback )
+
+  ...
+  3. Let finalizationRegistry be ? OrdinaryCreateFromConstructor(NewTarget,  "%FinalizationRegistryPrototype%", « [[Realm]], [[CleanupCallback]], [[Cells]], [[IsFinalizationRegistryCleanupJobActive]] »).
+  ...
+  9. Return finalizationRegistry.
+features: [FinalizationRegistry]
+---*/
+
+var cleanupCallback = function() { throw new Test262Error('should not throw yet'); };
+var finalizationRegistry = new FinalizationRegistry(cleanupCallback);
+
+assert.sameValue(Object.getPrototypeOf(finalizationRegistry), FinalizationRegistry.prototype);
+assert.notSameValue(finalizationRegistry, cleanupCallback, 'does not return the same function');
+assert.sameValue(finalizationRegistry instanceof FinalizationRegistry, true, 'instanceof');
+
+for (let key of Object.getOwnPropertyNames(finalizationRegistry)) {
+  assert(false, `should not set any own named properties: ${key}`);
+}
+
+for (let key of Object.getOwnPropertySymbols(finalizationRegistry)) {
+  assert(false, `should not set any own symbol properties: ${String(key)}`);
+}
+
+assert.sameValue(Object.getPrototypeOf(finalizationRegistry), FinalizationRegistry.prototype);
+
+reportCompare(0, 0);