atomics.js
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atomics.js
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	import { test, summary } from './helpers.js';

	console.log('Atomics Tests\n');

	const sab = new SharedArrayBuffer(16);
	const int32 = new Int32Array(sab);

	Atomics.store(int32, 0, 42);
	test('Atomics.store/load', Atomics.load(int32, 0), 42);

	test('Atomics.add', Atomics.add(int32, 0, 10), 42);
	test('after add', Atomics.load(int32, 0), 52);

	test('Atomics.sub', Atomics.sub(int32, 0, 2), 52);
	test('after sub', Atomics.load(int32, 0), 50);

	Atomics.store(int32, 1, 0b1010);
	test('Atomics.and', Atomics.and(int32, 1, 0b1100), 0b1010);
	test('after and', Atomics.load(int32, 1), 0b1000);

	Atomics.store(int32, 2, 0b1010);
	test('Atomics.or', Atomics.or(int32, 2, 0b0101), 0b1010);
	test('after or', Atomics.load(int32, 2), 0b1111);

	Atomics.store(int32, 3, 0b1010);
	test('Atomics.xor', Atomics.xor(int32, 3, 0b1100), 0b1010);
	test('after xor', Atomics.load(int32, 3), 0b0110);

	Atomics.store(int32, 0, 10);
	test('Atomics.exchange', Atomics.exchange(int32, 0, 20), 10);
	test('after exchange', Atomics.load(int32, 0), 20);

	Atomics.store(int32, 0, 5);
	test('Atomics.compareExchange match', Atomics.compareExchange(int32, 0, 5, 10), 5);
	test('after compareExchange', Atomics.load(int32, 0), 10);

	Atomics.store(int32, 0, 5);
	test('Atomics.compareExchange no match', Atomics.compareExchange(int32, 0, 99, 10), 5);
	test('after no match', Atomics.load(int32, 0), 5);

	summary();

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