| // Copyright (C) 2018 Rick Waldron. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-atomics.notify |
| description: > |
| Test that Atomics.notify notifies zero waiters if there are no waiters |
| at the index specified. |
| includes: [atomicsHelper.js] |
| features: [Atomics, SharedArrayBuffer, TypedArray] |
| ---*/ |
| |
| const RUNNING = 0; |
| |
| $262.agent.start(` |
| $262.agent.receiveBroadcast(function(sab) { |
| const i32a = new Int32Array(sab); |
| Atomics.add(i32a, ${RUNNING}, 1); |
| $262.agent.leaving(); |
| }); |
| `); |
| |
| const i32a = new Int32Array( |
| new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 2) |
| ); |
| |
| $262.agent.safeBroadcast(i32a); |
| $262.agent.waitUntil(i32a, RUNNING, 1); |
| |
| // There are ZERO matching agents waiting on index 1 |
| assert.sameValue(Atomics.notify(i32a, 1, 1), 0, 'Atomics.notify(i32a, 1, 1) returns 0'); |