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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/Atomics/waitAsync/waiterlist-block-indexedposition-wake.js | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Atomics/waitAsync/waiterlist-block-indexedposition-wake.js b/js/src/tests/test262/built-ins/Atomics/waitAsync/waiterlist-block-indexedposition-wake.js new file mode 100644 index 0000000000..eaef023ecd --- /dev/null +++ b/js/src/tests/test262/built-ins/Atomics/waitAsync/waiterlist-block-indexedposition-wake.js @@ -0,0 +1,85 @@ +// |reftest| skip async -- Atomics.waitAsync is not supported +// Copyright (C) 2020 Rick Waldron. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-atomics.waitasync +description: > + Get the correct WaiterList +info: | + Atomics.waitAsync( typedArray, index, value, timeout ) + + 1. Return DoWait(async, typedArray, index, value, timeout). + + DoWait ( mode, typedArray, index, value, timeout ) + + 11. Let indexedPosition be (i × 4) + offset. + 12. Let WL be GetWaiterList(block, indexedPosition). + + GetWaiterList( block, i ) + + ... + 4. Return the WaiterList that is referenced by the pair (block, i). + +flags: [async] +includes: [atomicsHelper.js] +features: [Atomics.waitAsync, SharedArrayBuffer, TypedArray, Atomics, arrow-function, async-functions] +---*/ +assert.sameValue(typeof Atomics.waitAsync, 'function', 'The value of `typeof Atomics.waitAsync` is "function"'); + +const NUMAGENT = 2; +const RUNNING = 4; + +$262.agent.start(` + $262.agent.receiveBroadcast(async (sab) => { + const i32a = new Int32Array(sab); + Atomics.add(i32a, ${RUNNING}, 1); + + // Wait on index 0 + $262.agent.report(await Atomics.waitAsync(i32a, 0, 0, Infinity).value); + $262.agent.leaving(); + }); +`); + +$262.agent.start(` + $262.agent.receiveBroadcast(async (sab) => { + const i32a = new Int32Array(sab); + Atomics.add(i32a, ${RUNNING}, 1); + + // Wait on index 2 + $262.agent.report(await Atomics.waitAsync(i32a, 2, 0, Infinity).value); + $262.agent.leaving(); + }); +`); + +const i32a = new Int32Array( + new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 5) +); + +$262.agent.safeBroadcastAsync(i32a, RUNNING, NUMAGENT).then(async (agentCount) => { + + assert.sameValue(agentCount, NUMAGENT, 'The value of `agentCount` is expected to equal the value of NUMAGENT'); + + // Notify index 1, notifies nothing + assert.sameValue(Atomics.notify(i32a, 1), 0, 'Atomics.notify(new Int32Array(new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 5)), 1) must return 0'); + + // Notify index 3, notifies nothing + assert.sameValue(Atomics.notify(i32a, 3), 0, 'Atomics.notify(new Int32Array(new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 5)), 3) must return 0'); + + // Notify index 2, notifies 1 + assert.sameValue(Atomics.notify(i32a, 2), 1, 'Atomics.notify(new Int32Array(new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 5)), 2) must return 1'); + assert.sameValue( + await $262.agent.getReportAsync(), + 'ok', + '(await $262.agent.getReportAsync()) resolves to the value "ok"' + ); + + // Notify index 0, notifies 1 + assert.sameValue(Atomics.notify(i32a, 0), 1, 'Atomics.notify(new Int32Array(new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 5)), 0) must return 1'); + assert.sameValue( + await $262.agent.getReportAsync(), + 'ok', + '(await $262.agent.getReportAsync()) resolves to the value "ok"' + ); + +}).then($DONE, $DONE); |