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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/Atomics/wait/value-not-equal.js | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Atomics/wait/value-not-equal.js b/js/src/tests/test262/built-ins/Atomics/wait/value-not-equal.js new file mode 100644 index 0000000000..e5ecb4a34b --- /dev/null +++ b/js/src/tests/test262/built-ins/Atomics/wait/value-not-equal.js @@ -0,0 +1,62 @@ +// |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 ? ToInt32(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, SharedArrayBuffer, TypedArray] +---*/ + +const RUNNING = 1; + +var value = 42; + +$262.agent.start(` + $262.agent.receiveBroadcast(function(sab) { + const i32a = new Int32Array(sab); + Atomics.add(i32a, ${RUNNING}, 1); + + $262.agent.report(Atomics.store(i32a, 0, ${value})); + $262.agent.report(Atomics.wait(i32a, 0, 0)); + $262.agent.leaving(); + }); +`); + +const i32a = new Int32Array( + new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4) +); + +// 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(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(), + value.toString(), + '$262.agent.getReport() returns value.toString()' +); +assert.sameValue( + $262.agent.getReport(), + 'not-equal', + '$262.agent.getReport() returns "not-equal"' +); + +reportCompare(0, 0); |