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ant/tests/test_atomics_with_literals.cjs
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test_atomics_with_literals.cjs
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// Test Atomics API with Binary, Octal, and Hex literals
console.log('=== Atomics with Number Literals Test ===\n');
const sab = new SharedArrayBuffer(1024);
const ta = new Uint8Array(sab);
console.log('Test 1: Initialize with binary literal');
Atomics.store(ta, 0, 0b00000000);
console.log('Stored 0b00000000:', Atomics.load(ta, 0));
console.log('PASS:', Atomics.load(ta, 0) === 0);
console.log('\nTest 2: Add using hex literal');
const old1 = Atomics.add(ta, 0, 0xFF);
console.log('Added 0xFF to 0, old value:', old1);
console.log('New value:', Atomics.load(ta, 0));
console.log('PASS:', Atomics.load(ta, 0) === 0xFF);
console.log('\nTest 3: AND with binary mask');
Atomics.store(ta, 1, 0b11111111);
const old2 = Atomics.and(ta, 1, 0b11110000);
console.log('0b11111111 & 0b11110000 =', Atomics.load(ta, 1));
console.log('PASS:', Atomics.load(ta, 1) === 0b11110000);
console.log('\nTest 4: OR with hex value');
const old3 = Atomics.or(ta, 1, 0x0F);
console.log('0b11110000 | 0x0F =', Atomics.load(ta, 1));
console.log('PASS:', Atomics.load(ta, 1) === 0xFF);
console.log('\nTest 5: XOR with octal value');
Atomics.store(ta, 2, 0o377); // 255 in octal
const old4 = Atomics.xor(ta, 2, 0b10101010);
console.log('0o377 ^ 0b10101010 =', Atomics.load(ta, 2));
console.log('PASS:', Atomics.load(ta, 2) === (0o377 ^ 0b10101010));
console.log('\nTest 6: CompareExchange with mixed literals');
Atomics.store(ta, 3, 0x10);
const result = Atomics.compareExchange(ta, 3, 0b00010000, 0o40);
console.log('Expected 0b00010000 (16), got:', result);
console.log('New value (0o40 = 32):', Atomics.load(ta, 3));
console.log('PASS:', result === 0x10 && Atomics.load(ta, 3) === 0o40);
console.log('\nTest 7: Bitwise flags using binary literals');
const FLAG_READ = 0b0001;
const FLAG_WRITE = 0b0010;
const FLAG_EXECUTE = 0b0100;
const FLAG_DELETE = 0b1000;
Atomics.store(ta, 4, 0);
Atomics.or(ta, 4, FLAG_READ);
Atomics.or(ta, 4, FLAG_WRITE);
const flags = Atomics.load(ta, 4);
console.log('Flags after OR READ|WRITE:', flags.toString(2).padStart(4, '0'));
console.log('Has READ:', (flags & FLAG_READ) !== 0);
console.log('Has WRITE:', (flags & FLAG_WRITE) !== 0);
console.log('Has EXECUTE:', (flags & FLAG_EXECUTE) !== 0);
console.log('PASS:', flags === 0b0011);
console.log('\nTest 8: Color manipulation with hex');
const RED = 0xFF;
const GREEN = 0xFF;
const BLUE = 0xFF;
Atomics.store(ta, 5, RED);
Atomics.store(ta, 6, GREEN);
Atomics.store(ta, 7, BLUE);
console.log('RGB values:');
console.log(' R:', Atomics.load(ta, 5));
console.log(' G:', Atomics.load(ta, 6));
console.log(' B:', Atomics.load(ta, 7));
console.log('PASS:', Atomics.load(ta, 5) === 255);
console.log('\nTest 9: Mask operations with all formats');
const MASK_BIN = 0b11110000;
const MASK_OCT = 0o360; // Same as 0b11110000
const MASK_HEX = 0xF0; // Same as 0b11110000
Atomics.store(ta, 8, 0xFF);
Atomics.and(ta, 8, MASK_BIN);
const result1 = Atomics.load(ta, 8);
Atomics.store(ta, 9, 0xFF);
Atomics.and(ta, 9, MASK_OCT);
const result2 = Atomics.load(ta, 9);
Atomics.store(ta, 10, 0xFF);
Atomics.and(ta, 10, MASK_HEX);
const result3 = Atomics.load(ta, 10);
console.log('All masks equivalent:', result1 === result2 && result2 === result3);
console.log('PASS:', result1 === 0xF0);
console.log('\nTest 10: Complex atomic operation chain');
Atomics.store(ta, 11, 0b00000000);
console.log('Start:', Atomics.load(ta, 11).toString(2).padStart(8, '0'));
Atomics.or(ta, 11, 0b00001111);
console.log('After OR 0b00001111:', Atomics.load(ta, 11).toString(2).padStart(8, '0'));
Atomics.and(ta, 11, 0b11110111);
console.log('After AND 0b11110111:', Atomics.load(ta, 11).toString(2).padStart(8, '0'));
Atomics.xor(ta, 11, 0xFF);
console.log('After XOR 0xFF:', Atomics.load(ta, 11).toString(2).padStart(8, '0'));
const final = Atomics.load(ta, 11);
console.log('PASS:', final === 0b11111000);
console.log('\n=== All tests completed successfully ===');

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