MMap native library

test.ts

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+// test.ts
+import * as fs from 'node:fs';
+import mmap from './lib/index.js';
+
+const FILE_PATH = './test_mmap.bin';
+const FILE_SIZE = 4096;
+
+// 파일 생성
+const fd = fs.openSync(FILE_PATH, 'w+');
+fs.ftruncateSync(fd, FILE_SIZE);
+
+// mmap 매핑
+const buffer = mmap.map(
+  FILE_SIZE,
+  mmap.PROT_READ | mmap.PROT_WRITE,
+  mmap.MAP_SHARED,
+  fd,
+  0
+);
+
+console.log('Mapped buffer length:', buffer.length);
+console.log('Page size:', mmap.pageSize());
+
+// 데이터 쓰기
+buffer.write('Hello, mmap!', 0, 'utf8');
+buffer.writeUInt32LE(12345, 100);
+
+// msync
+mmap.sync(buffer, 0, FILE_SIZE, mmap.MS_SYNC);
+console.log('Data synced to disk');
+
+// 데이터 읽기
+console.log('String:', buffer.toString('utf8', 0, 12));
+console.log('Number:', buffer.readUInt32LE(100));
+
+// 정리
+fs.closeSync(fd);
+fs.unlinkSync(FILE_PATH);
+
+console.log('Test passed!');