1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/GetOwnProperty/BigInt/detached-buffer-realm.js b/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/GetOwnProperty/BigInt/detached-buffer-realm.js
new file mode 100644
index 0000000000..bb170e21ea
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/GetOwnProperty/BigInt/detached-buffer-realm.js
@@ -0,0 +1,43 @@
+// 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: >
+  Returned undefined if this has a detached buffer (honoring the Realm of the current execution context)
+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
+      i. Let value be ! IntegerIndexedElementGet(O, numericIndex).
+      ii. If value is undefined, return undefined.
+  ...
+
+  IntegerIndexedElementGet ( O, index )
+
+  ...
+  Let buffer be the value of O's [[ViewedArrayBuffer]] internal slot.
+  If IsDetachedBuffer(buffer) is true, return undefined.
+  ...
+includes: [testBigIntTypedArray.js, detachArrayBuffer.js]
+features: [align-detached-buffer-semantics-with-web-reality, BigInt, cross-realm, TypedArray]
+---*/
+
+var other = $262.createRealm().global;
+
+testWithBigIntTypedArrayConstructors(function(TA) {
+  var OtherTA = other[TA.name];
+  var sample = new OtherTA(1);
+
+  $DETACHBUFFER(sample.buffer);
+
+  assert.sameValue(
+    Object.getOwnPropertyDescriptor(sample, 0),
+    undefined,
+    'Object.getOwnPropertyDescriptor("new OtherTA(1)", 0) must return undefined'
+  );
+});
+
+reportCompare(0, 0);