1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/GetOwnProperty/BigInt/index-prop-desc.js b/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/GetOwnProperty/BigInt/index-prop-desc.js
new file mode 100644
index 0000000000..1b5eaf1399
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/GetOwnProperty/BigInt/index-prop-desc.js
@@ -0,0 +1,38 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-integer-indexed-exotic-objects-getownproperty-p
+description: >
+  Returns a descriptor object from an index property
+info: |
+  9.4.5.1 [[GetOwnProperty]] ( P )
+
+  ...
+  3. If Type(P) is String, then
+    a. Let numericIndex be ! CanonicalNumericIndexString(P).
+    b. If numericIndex is not undefined, then
+      ...
+      iii. Return a PropertyDescriptor{[[Value]]: value, [[Writable]]: true,
+      [[Enumerable]]: true, [[Configurable]]: true}.
+  ...
+includes: [testBigIntTypedArray.js]
+features: [align-detached-buffer-semantics-with-web-reality, BigInt, TypedArray]
+---*/
+testWithBigIntTypedArrayConstructors(function(TA) {
+  var sample = new TA([42n, 43n]);
+
+  let descriptor0 = Object.getOwnPropertyDescriptor(sample, "0");
+  let descriptor1 = Object.getOwnPropertyDescriptor(sample, "1");
+
+  assert.sameValue(descriptor0.value, 42n);
+  assert.sameValue(descriptor0.configurable, true);
+  assert.sameValue(descriptor0.enumerable, true);
+  assert.sameValue(descriptor0.writable, true);
+
+  assert.sameValue(descriptor1.value, 43n);
+  assert.sameValue(descriptor1.configurable, true);
+  assert.sameValue(descriptor1.enumerable, true);
+  assert.sameValue(descriptor1.writable, true);
+});
+
+reportCompare(0, 0);