1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Atomics/waitAsync/non-shared-bufferdata-throws.js b/js/src/tests/test262/built-ins/Atomics/waitAsync/non-shared-bufferdata-throws.js
new file mode 100644
index 0000000000..889bfd676e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Atomics/waitAsync/non-shared-bufferdata-throws.js
@@ -0,0 +1,43 @@
+// |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.buffer is not a SharedArrayBuffer
+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, ArrayBuffer, Atomics, TypedArray, arrow-function]
+---*/
+assert.sameValue(typeof Atomics.waitAsync, 'function', 'The value of `typeof Atomics.waitAsync` is "function"');
+const i32a = new Int32Array(
+  new ArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4)
+);
+
+const poisoned = {
+  valueOf() {
+    throw new Test262Error('should not evaluate this code');
+  }
+};
+
+assert.throws(TypeError, () => {
+  Atomics.waitAsync(i32a, 0, 0, 0);
+}, '`Atomics.waitAsync(i32a, 0, 0, 0)` throws a TypeError exception');
+
+assert.throws(TypeError, () => {
+  Atomics.waitAsync(i32a, poisoned, poisoned, poisoned);
+}, '`Atomics.waitAsync(i32a, poisoned, poisoned, poisoned)` throws a TypeError exception');
+
+reportCompare(0, 0);