1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/Delete/BigInt/indexed-value-sab-non-strict.js b/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/Delete/BigInt/indexed-value-sab-non-strict.js
new file mode 100644
index 0000000000..0f63640193
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/Delete/BigInt/indexed-value-sab-non-strict.js
@@ -0,0 +1,35 @@
+// |reftest| skip-if(!this.hasOwnProperty('SharedArrayBuffer')) -- SharedArrayBuffer is not enabled unconditionally
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// Copyright (C) 2017 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-integer-indexed-exotic-objects-delete-p
+description: >
+  Return value from valid numeric index, with SharedArrayBuffer
+flags: [noStrict]
+includes: [testTypedArray.js]
+features: [align-detached-buffer-semantics-with-web-reality, TypedArray, SharedArrayBuffer]
+---*/
+
+testWithTypedArrayConstructors(function(TA) {
+  let proto = TypedArray.prototype;
+  let descriptorGetterThrows = {
+    configurable: true,
+    get() {
+      throw new Test262Error("OrdinaryGet was called!");
+    }
+  };
+  Object.defineProperties(proto, {
+    ["0"]: descriptorGetterThrows,
+    ["1"]: descriptorGetterThrows,
+  });
+  let sab = new SharedArrayBuffer(TA.BYTES_PER_ELEMENT * 2);
+  let sample = new TA(sab);
+
+  assert.sameValue(delete sample["0"], false, 'The value of `delete sample["0"]` is false');
+  assert.sameValue(delete sample[0], false, 'The value of `delete sample["0"]` is false');
+  assert.sameValue(delete sample["1"], false, 'The value of `delete sample["1"]` is false');
+  assert.sameValue(delete sample[1], false, 'The value of `delete sample["1"]` is false');
+});
+
+reportCompare(0, 0);