1 files changed, 78 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Atomics/wait/false-for-timeout-agent.js b/js/src/tests/test262/built-ins/Atomics/wait/false-for-timeout-agent.js
new file mode 100644
index 0000000000..8a099e7693
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Atomics/wait/false-for-timeout-agent.js
@@ -0,0 +1,78 @@
+// |reftest| skip-if(!this.hasOwnProperty('Atomics')||!this.hasOwnProperty('SharedArrayBuffer')||(this.hasOwnProperty('getBuildConfiguration')&&getBuildConfiguration('arm64-simulator'))) -- 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.
+
+includes: [atomicsHelper.js]
+features: [Atomics, SharedArrayBuffer, TypedArray]
+---*/
+
+const RUNNING = 1;
+
+$262.agent.start(`
+  const valueOf = {
+    valueOf: function() {
+      return false;
+    }
+  };
+
+  const toPrimitive = {
+    [Symbol.toPrimitive]: function() {
+      return false;
+    }
+  };
+
+  $262.agent.receiveBroadcast(function(sab) {
+    const i32a = new Int32Array(sab);
+    Atomics.add(i32a, ${RUNNING}, 1);
+
+    const status1 = Atomics.wait(i32a, 0, 0, false);
+    const status2 = Atomics.wait(i32a, 0, 0, valueOf);
+    const status3 = Atomics.wait(i32a, 0, 0, toPrimitive);
+
+    $262.agent.report(status1);
+    $262.agent.report(status2);
+    $262.agent.report(status3);
+    $262.agent.leaving();
+  });
+`);
+
+const i32a = new Int32Array(
+  new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4)
+);
+
+$262.agent.safeBroadcast(i32a);
+$262.agent.waitUntil(i32a, RUNNING, 1);
+
+// Try to yield control to ensure the agent actually started to wait.
+$262.agent.tryYield();
+
+assert.sameValue(
+  $262.agent.getReport(),
+  'timed-out',
+  '$262.agent.getReport() returns "timed-out"'
+);
+assert.sameValue(
+  $262.agent.getReport(),
+  'timed-out',
+  '$262.agent.getReport() returns "timed-out"'
+);
+assert.sameValue(
+  $262.agent.getReport(),
+  'timed-out',
+  '$262.agent.getReport() returns "timed-out"'
+);
+
+assert.sameValue(Atomics.notify(i32a, 0), 0, 'Atomics.notify(i32a, 0) returns 0');
+
+reportCompare(0, 0);