Test HDD speeds

test.java

import java.io.File;

public class test {
	/* Tests:
	 * 1. Time to create 2000 files
	 * 2. Time to list them
	 * 3. Time to delete all of them
	 * 4. Time to create 2000 files of 1kB each
         * 5. Time to list them
         * 6. Time to delete all of them
	 */
	public static final int FILE_COUNT = 2000;
	public static final int BYTE_COUNT = 1*1024;
	public static final File DIRECTORY = new File(".");
	public static long time_t1,time_t2,time_t3,time_t4,time_t5,time_t6, start;
	public static File[] filenames = new File[FILE_COUNT];
	public static byte[] buffer = new byte[BYTE_COUNT];
	public static void main(String[] args){
		System.out.println("Test HDD IO speeds - NeverCast");
		System.out.println(FILE_COUNT + " files");
		System.out.println(BYTE_COUNT + " bytes");
		for(int i = 0; i < FILE_COUNT; i++) {
			filenames[i] = new File("f" + i + ".test");
		}
		for(int i = 0; i < BYTE_COUNT; i++){
			buffer[i] = (byte)(i % 127);
		}
		try{
			test1();
			test2();
			test3();
			test4();
			test5();
			test6();
		}catch(java.io.IOException e){
			e.printStackTrace();
		}
		printTests();
	}

	public static void test1() throws java.io.IOException {
		start = System.nanoTime();
		for(File file : filenames){
			file.createNewFile();
		}
		time_t1 = System.nanoTime() - start;
	}

	public static void test2() throws java.io.IOException {
		start = System.nanoTime();
		DIRECTORY.list();
		time_t2 = System.nanoTime() - start;
	}

	public static void test3() throws java.io.IOException {
		start = System.nanoTime();
		for(File file : filenames){
			file.delete();
		}
		time_t3 = System.nanoTime() - start;
	}

	public static void test4() throws java.io.IOException {
		java.io.FileOutputStream fos;
		start = System.nanoTime();
		for(File file : filenames) {
			fos = new java.io.FileOutputStream(file);
			fos.write(buffer);
			fos.close();
		}
		time_t4 = System.nanoTime() - start;
	}

	public static void test5() throws java.io.IOException {
		start = System.nanoTime();
		DIRECTORY.list();
		time_t5 = System.nanoTime() - start;
	}

	public static void test6() throws java.io.IOException {
		start = System.nanoTime();
		for(File file : filenames){
			file.delete();
		}
		time_t6 = System.nanoTime() - start;
	}
	public static void printTests(){
		System.out.println("Test 1 [Create Empty Files]" + time_t1 /1000000f + "ms");
		System.out.println("Test 2 [List Empty Files]" + time_t2 /1000000f + "ms");
		System.out.println("Test 3 [Delete Empty Files]" + time_t3 /1000000f + "ms");
		System.out.println("Test 4 [Create data Files]" + time_t4 /1000000f + "ms");
		System.out.println("Test 5 [List data Files]" + time_t5 /1000000f + "ms");
		System.out.println("Test 6 [Delete data Files]" + time_t6 /1000000f + "ms");
	}
}