1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Atomics/waitAsync/bigint/bad-range.js b/js/src/tests/test262/built-ins/Atomics/waitAsync/bigint/bad-range.js
new file mode 100644
index 0000000000..a2214e5b2b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Atomics/waitAsync/bigint/bad-range.js
@@ -0,0 +1,31 @@
+// |reftest| skip -- Atomics.waitAsync is not supported
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-atomics.waitasync
+description: >
+  Test range checking of Atomics.waitAsync on arrays that allow atomic operations
+info: |
+  Atomics.waitAsync( typedArray, index, value, timeout )
+
+  1. Return DoWait(async, typedArray, index, value, timeout).
+
+  DoWait ( mode, typedArray, index, value, timeout )
+
+  ...
+  2. Let i be ? ValidateAtomicAccess(typedArray, index).
+  ...
+
+includes: [testAtomics.js]
+features: [Atomics.waitAsync, Atomics, SharedArrayBuffer, ArrayBuffer, DataView, Symbol, TypedArray, BigInt]
+---*/
+assert.sameValue(typeof Atomics.waitAsync, 'function', 'The value of `typeof Atomics.waitAsync` is "function"');
+const i64a = new BigInt64Array(new SharedArrayBuffer(BigInt64Array.BYTES_PER_ELEMENT * 8));
+
+testWithAtomicsOutOfBoundsIndices(function(IdxGen) {
+  assert.throws(RangeError, function() {
+    Atomics.waitAsync(i64a, IdxGen(i64a), 0n, 0);
+  }, '`Atomics.waitAsync(i64a, IdxGen(i64a), 0n, 0)` throws a RangeError exception');
+});
+
+reportCompare(0, 0);