1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Atomics/wait/cannot-suspend-throws.js b/js/src/tests/test262/built-ins/Atomics/wait/cannot-suspend-throws.js
new file mode 100644
index 0000000000..696a86fda4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Atomics/wait/cannot-suspend-throws.js
@@ -0,0 +1,30 @@
+// |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, SharedArrayBuffer, TypedArray]
+flags: [CanBlockIsFalse]
+---*/
+
+const i32a = new Int32Array(
+  new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4)
+);
+
+assert.throws(TypeError, function() {
+  Atomics.wait(i32a, 0, 0, 0);
+}, '`Atomics.wait(i32a, 0, 0, 0)` throws TypeError');
+
+reportCompare(0, 0);