Method createTempFile

core/src/test/java/io/questdb/test/FilesTest.java:1553–1575

(Path path, String fileName, String fileContent)

    }

    private static void createTempFile(Path path, String fileName, String fileContent) {
        final int buffSize = fileContent.length() * 3;
        final long buffPtr = Unsafe.malloc(buffSize, MemoryTag.NATIVE_DEFAULT);
        final byte[] bytes = fileContent.getBytes(Files.UTF_8);
        long p = buffPtr;
        for (int i = 0, n = bytes.length; i < n; i++) {
            Unsafe.putByte(p++, bytes[i]);
        }
        Unsafe.putByte(p, (byte) 0);
        long fd = -1;
        try {
            fd = Files.openAppend(path.concat(fileName).$());
            if (fd > -1) {
                Files.truncate(fd, 0);
                Files.append(fd, buffPtr, bytes.length);
                Files.sync();
            }
            Assert.assertTrue(Files.exists(fd));
        } finally {
            Files.close(fd);
            Unsafe.free(buffPtr, buffSize, MemoryTag.NATIVE_DEFAULT);
        }
    }

    private static void testAllocateConcurrent0(FilesFacade ff, String pathName, int index, AtomicInteger errors) {
        try (