Function withAllocations

test/ffi/test-ffi-memory.js:20–36

(fn)

after(() => lib.close());

function withAllocations(fn) {
  const allocations = new Set();

  function alloc(size) {
    const ptr = symbols.allocate_memory(BigInt(size));
    allocations.add(ptr);
    return ptr;
  }

  try {
    fn(alloc);
  } finally {
    for (const ptr of allocations) {
      symbols.deallocate_memory(ptr);
    }
  }
}

test('ffi reads and writes integer and float values', () => {
  withAllocations(common.mustCall((alloc) => {