1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Atomics/waitAsync/bigint/non-bigint64-typedarray-throws.js b/js/src/tests/test262/built-ins/Atomics/waitAsync/bigint/non-bigint64-typedarray-throws.js
new file mode 100644
index 0000000000..a4e3dd79f7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Atomics/waitAsync/bigint/non-bigint64-typedarray-throws.js
@@ -0,0 +1,38 @@
+// |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: >
+  Throws a TypeError if typedArray arg is not an BigInt64Array
+info: |
+  Atomics.waitAsync( typedArray, index, value, timeout )
+
+  1. Return DoWait(async, typedArray, index, value, timeout).
+
+  DoWait ( mode, typedArray, index, value, timeout )
+
+  1. Let buffer be ? ValidateSharedIntegerTypedArray(typedArray, true).
+
+  ValidateSharedIntegerTypedArray ( typedArray [ , waitable ] )
+
+  5. If waitable is true, then
+    a. If typeName is not "Int32Array" or "BigInt64Array", throw a TypeError exception.
+
+features: [Atomics.waitAsync, Float32Array, Float64Array, Int8Array, TypedArray, Uint16Array, Uint8Array, Uint8ClampedArray, arrow-function, SharedArrayBuffer, Atomics]
+---*/
+assert.sameValue(typeof Atomics.waitAsync, 'function', 'The value of `typeof Atomics.waitAsync` is "function"');
+const poisoned = {
+  valueOf() {
+    throw new Test262Error('should not evaluate this code');
+  }
+};
+
+assert.throws(TypeError, () => {
+  const view = new BigUint64Array(new SharedArrayBuffer(BigUint64Array.BYTES_PER_ELEMENT * 8));
+  Atomics.waitAsync(view, poisoned, poisoned, poisoned);
+}, '`const view = new BigUint64Array(new SharedArrayBuffer(BigUint64Array.BYTES_PER_ELEMENT * 8)); Atomics.waitAsync(view, poisoned, poisoned, poisoned)` throws a TypeError exception');
+
+
+reportCompare(0, 0);