1 files changed, 27 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Atomics/wait/bigint/cannot-suspend-throws.js b/js/src/tests/test262/built-ins/Atomics/wait/bigint/cannot-suspend-throws.js
new file mode 100644
index 0000000000..212dbfddc6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Atomics/wait/bigint/cannot-suspend-throws.js
@@ -0,0 +1,27 @@
+// |reftest| skip-if(xulRuntime.shell||!this.hasOwnProperty('Atomics')||!this.hasOwnProperty('SharedArrayBuffer')||(this.hasOwnProperty('getBuildConfiguration')&&getBuildConfiguration('arm64-simulator'))) -- shell can block main thread, Atomics,SharedArrayBuffer is not enabled unconditionally, ARM64 Simulator cannot emulate atomics
+// Copyright (C) 2018 Amal Hussein. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-atomics.wait
+description: >
+  Atomics.wait throws if agent cannot be suspended, CanBlock is false
+info: |
+  Assuming [[CanBlock]] is false for the main host.
+
+  Atomics.wait( typedArray, index, value, timeout )
+
+  ... (after args validation)
+  6. Let B be AgentCanSuspend().
+  7. If B is false, throw a TypeError exception.
+  ...
+features: [Atomics, BigInt, SharedArrayBuffer, TypedArray]
+flags: [CanBlockIsFalse]
+---*/
+
+const i64a = new BigInt64Array(new SharedArrayBuffer(BigInt64Array.BYTES_PER_ELEMENT * 4));
+
+assert.throws(TypeError, function() {
+  Atomics.wait(i64a, 0, 0n, 0);
+}, '`Atomics.wait(i64a, 0, 0n, 0)` throws TypeError');
+
+reportCompare(0, 0);