1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Atomics/wait/bigint/negative-timeout.js b/js/src/tests/test262/built-ins/Atomics/wait/bigint/negative-timeout.js
new file mode 100644
index 0000000000..ec01a23f68
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Atomics/wait/bigint/negative-timeout.js
@@ -0,0 +1,23 @@
+// |reftest| skip-if(!xulRuntime.shell||!this.hasOwnProperty('Atomics')||!this.hasOwnProperty('SharedArrayBuffer')||(this.hasOwnProperty('getBuildConfiguration')&&getBuildConfiguration('arm64-simulator'))) -- browser cannot block main thread, Atomics,SharedArrayBuffer is not enabled unconditionally, ARM64 Simulator cannot emulate atomics
+// Copyright (C) 2018 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-atomics.wait
+description: >
+  Test that Atomics.wait times out with a negative timeout
+features: [Atomics, BigInt, SharedArrayBuffer, TypedArray]
+flags: [CanBlockIsTrue]
+---*/
+
+const i64a = new BigInt64Array(
+  new SharedArrayBuffer(BigInt64Array.BYTES_PER_ELEMENT * 4)
+);
+
+assert.sameValue(
+  Atomics.wait(i64a, 0, 0n, -1),
+  "timed-out",
+  'Atomics.wait(i64a, 0, 0n, -1) returns "timed-out"'
+);
+
+reportCompare(0, 0);