1 files changed, 29 insertions, 0 deletions
diff --git a/test/built-ins/TypedArrays/internals/HasProperty/BigInt/detached-buffer-key-is-not-number.js b/test/built-ins/TypedArrays/internals/HasProperty/BigInt/detached-buffer-key-is-not-number.js
new file mode 100644
index 000000000..d4495d2e1
--- /dev/null
+++ b/test/built-ins/TypedArrays/internals/HasProperty/BigInt/detached-buffer-key-is-not-number.js
@@ -0,0 +1,29 @@
+// 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-getproperty-p
+description: >
+  Does not throw on an instance with a detached buffer if key is not a
+  CanonicalNumericIndexString
+info: |
+  9.4.5.2 [[HasProperty]](P)
+
+  ...
+  3. If Type(P) is String, then
+    a. Let numericIndex be ! CanonicalNumericIndexString(P).
+    b. If numericIndex is not undefined, then
+    ...
+  4. Return ? OrdinaryHasProperty(O, P).
+includes: [testBigIntTypedArray.js, detachArrayBuffer.js]
+features: [BigInt, Reflect, TypedArray]
+---*/
+
+testWithBigIntTypedArrayConstructors(function(TA) {
+  var sample = new TA(convertToBigInt([42, 43]));
+  Object.defineProperty(sample, "bar", { value: 42 });
+
+  $DETACHBUFFER(sample.buffer);
+
+  assert.sameValue(Reflect.has(sample, "foo"), false);
+  assert.sameValue(Reflect.has(sample, "bar"), true);
+});