1 files changed, 50 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Atomics/wait/false-for-timeout.js b/js/src/tests/test262/built-ins/Atomics/wait/false-for-timeout.js
new file mode 100644
index 0000000000..75675d64ac
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Atomics/wait/false-for-timeout.js
@@ -0,0 +1,50 @@
+// |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 Amal Hussein. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-atomics.wait
+description: >
+  False timeout arg should result in an +0 timeout
+info: |
+  Atomics.wait( typedArray, index, value, timeout )
+
+  4. Let q be ? ToNumber(timeout).
+
+    Boolean -> If argument is true, return 1. If argument is false, return +0.
+
+features: [Atomics, SharedArrayBuffer, Symbol, Symbol.toPrimitive, TypedArray]
+flags: [CanBlockIsTrue]
+---*/
+
+const i32a = new Int32Array(new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4));
+
+const valueOf = {
+  valueOf: function() {
+    return false;
+  }
+};
+
+const toPrimitive = {
+  [Symbol.toPrimitive]: function() {
+    return false;
+  }
+};
+
+assert.sameValue(
+  Atomics.wait(i32a, 0, 0, false),
+  'timed-out',
+  'Atomics.wait(i32a, 0, 0, false) returns "timed-out"'
+);
+assert.sameValue(
+  Atomics.wait(i32a, 0, 0, valueOf),
+  'timed-out',
+  'Atomics.wait(i32a, 0, 0, valueOf) returns "timed-out"'
+);
+assert.sameValue(
+  Atomics.wait(i32a, 0, 0, toPrimitive),
+  'timed-out',
+  'Atomics.wait(i32a, 0, 0, toPrimitive) returns "timed-out"'
+);
+
+reportCompare(0, 0);