/*
* 创建日期 2005-7-10
*
* TODO 要更改此生成的文件的模板，请转至
* 窗口 － 首选项 － Java － 代码样式 － 代码模板
*/
package org.fto.jthink.io;
import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import org.fto.jthink.io.SmartAccessFile;
import junit.framework.TestCase;
/**
* @author wenjian
*
*/
public class SmartAccessFileTestCase extends TestCase {
String testedfileRW = "SmartAccessFile_rw.txt";
String testedfileR = "SmartAccessFile_r.txt";
String testedfileA = "SmartAccessFile_a.txt";
public static void main(String[] args) {
junit.textui.TestRunner.run(SmartAccessFileTestCase.class);
}
/**
*方法测试
*/
public void testindexOf() {
System.out.println("\n[正在测试方法: SmartAccessFile.indexOf()...]");
SmartAccessFile saf = null;
try {
saf = new SmartAccessFile("SmartAccessFile_testIndexOf.txt", "rw");
byte[] safs = new byte[(int)saf.length()];
saf.read(safs);
this.printBytes("safs:", safs);
saf.seek(0);
byte[] bs = "pqrstuvwxyz".getBytes();
long index = saf.indexOf(bs, 0, bs.length);
System.out.println("saf.indexOf(bs) 1:"+index);
if(index!=-1){
super.fail();
}
saf.seek(0);
bs = "0123456789".getBytes();
index = saf.indexOf(bs, 0, bs.length);
System.out.println("saf.indexOf(bs) 2:"+index);
if(index!=3){
super.fail();
}
saf.seek(0);
bs = "试索引".getBytes("gb2312");
index = saf.indexOf(bs, 0, bs.length);
this.printBytes("试索引:", bs);
System.out.println("saf.indexOf(bs) 3:"+index);
if(index!=17){
super.fail();
}
printFileAllData(saf);
} catch (Exception e) {
e.printStackTrace();
fail(e.getMessage());
}finally{
closeFile(saf);
}
System.out.println("方法indexOf()通过测试.");
}
/**
*方法测试
*/
public void testIsEOF() {
System.out.println("\n[正在测试方法: SmartAccessFile.isEOF()...]");
SmartAccessFile saf = null;
try {
saf = new SmartAccessFile(testedfileRW, "rw");
saf.insert("Test inEOF()".getBytes());
saf.seek(saf.length());
assertTrue("是文件尾:", saf.isEOF());
saf.seek(1);
assertTrue("不是文件尾:", !saf.isEOF());
} catch (Exception e) {
e.printStackTrace();
fail(e.getMessage());
}finally{
closeFile(saf);
}
System.out.println("方法isEOF()通过测试.");
}
/**
*方法测试
*/
public void testInsert() {
System.out.println("\n[正在测试方法: SmartAccessFile.insert()...]");
SmartAccessFile safrw = null;
SmartAccessFile safr = null;
SmartAccessFile safa = null;
/* 测试"rw"模式 */
try {
safrw = new SmartAccessFile(testedfileRW, "rw");
byte[] bs = null;
safrw.seek(safrw.length());
long beginLen = safrw.length();
safrw.insert("测试直接调用RandomAccessFile的write方法!".getBytes());
bs = new byte[(int)safrw.length()-(int)beginLen];
safrw.seek(beginLen);
safrw.read(bs);
System.out.println("测试直接调用write方法:"+new String(bs));
if(!"测试直接调用RandomAccessFile的write方法!".equals(new String(bs))){
super.fail();
}
long p = safrw.getFilePointer();
safrw.insert("Test insert!".getBytes("UTF-8"));
safrw.insert(0x30);
safrw.insert("123456789".getBytes("UTF-8"), 1,2);
safrw.insert("测试!".getBytes("UTF-8"));
bs = new byte[(int)safrw.length()-(int)p];
safrw.seek(p);
int readedcount = safrw.read(bs);
System.out.println("测试\"rw\"模式,实际读出字节数量:"+readedcount);
printBytes("测试\"rw\"模式,", bs);
String str = new String(bs,"UTF-8");
System.out.println("测试\"rw\"模式,打印文件内容:"+str);
if(!"Test insert!023测试!".equals(str)){
super.fail();
}
} catch (Exception e) {
e.printStackTrace();
fail(e.getMessage());
}finally{
closeFile(safrw);
}
/* 测试"r"模式 */
try{
safr = new SmartAccessFile(testedfileR, "r");
safr.insert("Test insert!".getBytes());
fail("测试\"r\"模式: 不应该到达此点!");
}catch(Exception e){
System.out.println("测试\"r\"模式,应该到达此点! "+e.getMessage());
}finally{
closeFile(safr);
}
/* 测试"a"模式 */
try{
safa = new SmartAccessFile(testedfileA, "a");
safa.append("Test insert!".getBytes());
System.out.println("测试\"a\"模式: 应该到达此点!");
}catch(Exception e){
fail("测试\"a\"模式,不应该到达此点! "+e.getMessage());
}finally{
closeFile(safa);
}
System.out.println("方法insert()通过测试.");
}
/**
*方法测试
*/
public void testWrite() {
System.out.println("\n[正在测试方法: SmartAccessFile.write()...]");
SmartAccessFile safrw = null;
SmartAccessFile safr = null;
SmartAccessFile safa = null;
/* 测试"rw"模式 */
try {
safrw = new SmartAccessFile(testedfileRW, "rw");
byte[] bs = "测试在文件头部写入数据".getBytes();
safrw.write(bs);
safrw.seek(0);
Arrays.fill(bs, (byte)0);
safrw.read(bs);
System.out.println("测试在文件头部写入数据:"+new String(bs));
if(!"测试在文件头部写入数据".equals(new String(bs))){
super.fail();
}
long p = safrw.getFilePointer();
safrw.write("Test insert!".getBytes("UTF-8"));
safrw.write(0x30);
safrw.write("123456789".getBytes("UTF-8"), 1,2);
safrw.write("测试!".getBytes("UTF-8"));
bs = new byte[(int)safrw.getFilePointer()-(int)p];
safrw.seek(p);
int readedcount = safrw.read(bs);
System.out.println("测试\"rw\"模式,实际读出字节数量:"+readedcount);
printBytes("测试\"rw\"模式,", bs);
String str = new String(bs,"UTF-8");
System.out.println("测试\"rw\"模式,打印文件内容:"+str);
if(!"Test insert!023测试!".equals(str)){
super.fail();
}
} catch (Exception e) {
e.printStackTrace();
fail(e.getMessage());
}finally{
closeFile(safrw);
}
/* 测试"r"模式 */
try{
safr = new SmartAccessFile(testedfileR, "r");
safr.insert("Test insert!".getBytes());
fail("测试\"r\"模式: 不应该到达此点!");
}catch(Exception e){
System.out.println("测试\"r\"模式,应该到达此点! "+e.getMessage());
}finally{
closeFile(safr);
}
/* 测试"a"模式 */
try{
safa = new SmartAccessFile(testedfileA, "a");
safa.append("Test insert!".getBytes());
System.out.println("测试\"a\"模式: 应该到达此点!");
}catch(Exception e){
fail("测试\"a\"模式,不应该到达此点! "+e.getMessage());
}finally{
closeFile(safa);
}
System.out.println("方法insert()通过测试.");
}
// /**
// *方法测试
// */
// public void testInsert() {
// System.out.println("...正在测试方法: SmartAccessFile.insert()...");
// SmartAccessFile saf = null;
// try {
// saf = new SmartAccessFile(testedfile, "rw");
// saf.setLength(0);
// saf.insert("Test insert!".getBytes());
// saf.insert(0x30);
// saf.insert("123456789".getBytes(), 1,2);
// System.out.println("字节长度:"+"测试!".getBytes("UTF-8").length);
// saf.insert("测试!".getBytes("UTF-8"), 3, 4);
// printFileAllData(saf);
//// throw new Exception("Text error!");
// } catch (Exception e) {
// e.printStackTrace();
// fail(e.getMessage());
//
// }finally{
// if(saf!=null){
// try {
// saf.close();
// } catch (IOException ie) {
// ie.printStackTrace();
// fail(ie.getMessage());
// }
// }
// }
// }
//
// /**
// * 打印块信息，用于调试
// * @throws IOException
// */
// void print() throws IOException {
// int tmppointer = pointer;
//
// System.out.println("--FileBlock--"+ this +"------------------------------------");
// System.out.println("在文件中的位置(文件指针): "+ pos);
// System.out.println("在值数组中的开始位置: "+off);
// System.out.println("在块中的位置(块指针)： "+pointer);
// System.out.println("块长度: "+length);
// System.out.println("文件块状态: "+status);
// System.out.println("文件块数据:"+bs);
//// int size;
//// byte[] b = new byte[1];
//// for(int i=0; i<this.length(); i++){
//// this.seek(i);
//// this.read(b, 0 ,1);
//// System.out.print((char)b[0]);
//// }
// System.out.println();
// seek(tmppointer);
// }
private void printFileAllData(SmartAccessFile saf) throws IOException{
try{
System.out.println("文件长度："+saf.length());
System.out.print("文件所有数据：");
saf.seek(0);
byte[] data = new byte[(int)saf.length()];
saf.read(data);
System.out.println(new String(data));
}catch(Exception e){
e.printStackTrace();
fail(e.getMessage());
}
}
private void printBytes(String title, byte[] bs){
System.out.print(title+"打印字节数组值:");
for (int i = 0; i < bs.length; i++) {
System.out.print(","+bs[i]);
}
System.out.println();
}
// /**
// * 用于调试，打印所有块信息
// */
// public void printFileBlockInfo() throws IOException {
// for(int i=0; i<fileBlocks.size();i++){
// FileBlock fb = (FileBlock)fileBlocks.get(i);
// fb.print();
// }
// }
// /**
// * 用于调试，打印当前文件信息
// */
// public void printFileInfo(boolean printData) throws IOException {
// long tmpcurtFilePointer = getFilePointer();
// System.out.println("=====Start=====================================================");
// System.out.println("是否文件末尾：isEOF = " + isEOF());
// System.out.println("文件当前长度：curtFileLength = " + curtFileLength);
// System.out.println("文件当前指针位置：curtFilePointer = " + curtFilePointer);
// System.out.println("文件当前块中的指针位置：curtFBPointer = " + curtFBPointer);
// System.out.println("文件块数量：fileBlocks.size() = " + fileBlocks.size());
// if(printData){
// System.out.println("文件当前块数据:" + curtFileBlock);
//
// int size;
// if (curtFileBlock != null) {
// int empFBPointer = curtFileBlock.getPointer();
// byte[] b = new byte[1];
// for (int i = 0; i < curtFileBlock.length(); i++) {
// curtFileBlock.seek(i);
// curtFileBlock.read(b, 0, 1);
// System.out.print( (char) b[0]);
// }
// curtFileBlock.seek(empFBPointer);
// }
// System.out.println();
// System.out.println("文件所有数据：");
// System.out.print("(");
// for (int i = 0; i < (int) length(); i++) {
// seek(i);
// System.out.print( (char) read());
// }
// System.out.println(")");
// }
// System.out.println("=====End=====================================================");
//
// seek(tmpcurtFilePointer);
// }
//
private void closeFile(SmartAccessFile saf){
if(saf!=null){
try {
saf.close();
} catch (IOException ie) {
ie.printStackTrace();
fail(ie.getMessage());
}
}
}
/**
* 初始化
*/
protected void setUp() {
try{
// System.out.println();
// System.out.println("开始测试:SmartAccessFile.java");
File frw = new File(testedfileRW);
if(!frw.exists()){
frw.createNewFile();
}
File fr = new File(testedfileR);
if(!fr.exists()){
fr.createNewFile();
}
File fa = new File(testedfileA);
if(!fa.exists()){
fa.createNewFile();
}
}catch(Exception e){
e.printStackTrace();
}
}
/**
* 销毁
*/
protected void tearDown() {
// System.out.println();
// System.out.println("结束测试:SmartAccessFile.java");
}
}