1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/DefineOwnProperty/BigInt/this-is-not-extensible.js b/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/DefineOwnProperty/BigInt/this-is-not-extensible.js
new file mode 100644
index 0000000000..f3e20f5bea
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/DefineOwnProperty/BigInt/this-is-not-extensible.js
@@ -0,0 +1,33 @@
+// 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-defineownproperty-p-desc
+description: >
+  Returns false for non-numeric index property value if `this` is not extensible
+info: |
+  9.4.5.3 [[DefineOwnProperty]] ( P, Desc)
+  ...
+  3. If Type(P) is String, then
+    a. Let numericIndex be ! CanonicalNumericIndexString(P).
+    b. If numericIndex is not undefined, then
+    ...
+  4. Return OrdinaryDefineOwnProperty(O, P, Desc).
+  ...
+includes: [testBigIntTypedArray.js]
+features: [BigInt, Reflect, Symbol, TypedArray]
+---*/
+
+testWithBigIntTypedArrayConstructors(function(TA) {
+  var sample = new TA([42n, 43n]);
+
+  Object.preventExtensions(sample);
+
+  assert.sameValue(Reflect.defineProperty(sample, "foo", {value:42}), false);
+  assert.sameValue(Reflect.getOwnPropertyDescriptor(sample, "foo"), undefined);
+
+  var s = Symbol("1");
+  assert.sameValue(Reflect.defineProperty(sample, s, {value:42}), false);
+  assert.sameValue(Reflect.getOwnPropertyDescriptor(sample, s), undefined);
+});
+
+reportCompare(0, 0);