// |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: > Returns "not-equal" when value arg does not match an index in the typedArray info: | Atomics.wait( typedArray, index, value, timeout ) 3.Let v be ? ToBigInt64(value). ... 14.If v is not equal to w, then a.Perform LeaveCriticalSection(WL). b. Return the String "not-equal". includes: [atomicsHelper.js] features: [Atomics, BigInt, SharedArrayBuffer, TypedArray] ---*/ const RUNNING = 1; const value = "42n"; const i64a = new BigInt64Array( new SharedArrayBuffer(BigInt64Array.BYTES_PER_ELEMENT * 4) ); $262.agent.start(` $262.agent.receiveBroadcast(function(sab) { const i64a = new BigInt64Array(sab); Atomics.add(i64a, ${RUNNING}, 1n); $262.agent.report(Atomics.store(i64a, 0, ${value})); $262.agent.report(Atomics.wait(i64a, 0, 0n)); $262.agent.leaving(); }); `); // NB: We don't actually explicitly need to wait for the agent to start in this // test case, we only do it for consistency with other test cases which do // require the main agent to wait and yield control. $262.agent.safeBroadcast(i64a); $262.agent.waitUntil(i64a, RUNNING, 1n); // Try to yield control to ensure the agent actually started to wait. $262.agent.tryYield(); assert.sameValue( $262.agent.getReport(), '42', '$262.agent.getReport() returns "42"' ); assert.sameValue( $262.agent.getReport(), 'not-equal', '$262.agent.getReport() returns "not-equal"' ); reportCompare(0, 0);