WCPro

 public static boolean ReadContent(String path)throws Exception{
//参数判断
        if(path==null||path.isEmpty()||path.length()==0){
            System.out.print("empty path！");
            return false;
        }
//格式判断
        if(!IsTxtFormat(path)){
            System.out.print("error format!");
            return false;
        }

        StringBuilder stringBuilder=new StringBuilder();
        File file=new File(path);
//文件存在判断
        if(!file.exists()){
            System.out.println("file not exist");
            return false;
        }

        FileReader reader=new FileReader(file);
        StringBuilder wordStringBuilder=new StringBuilder();

        int tempChar;
        Statistics st=new Statistics();
//内容读取
        while((tempChar=reader.read())!=-1){
//接口调用
          st.Count((char)tempChar);
        }
        reader.close();
        st.End();
        fileContent=stringBuilder.toString();
//读取结束，给出反馈
        System.out.println("read file success!");
        return true;
    }

//测试是否读取正常，包括路径的判断和参数判断
@Test
public void testReadContent() throws Exception {
//设置测试参数
    String pathes[]={"d:/test.txt","d:test.doc","test.txt","test.doc",""," "};
//设置预期输出
    boolean[] expResult={true,false,false,false,false,false};
    int pathCount=pathes.length;
    boolean [] results=new boolean[pathCount];
    for(int i=0;i<pathCount;i++){
//存储测试结果
        results[i]= InputMod.ReadContent(pathes[i]);
    }
    for(int i=0;i<pathCount;i++){
//结果对比
        Assert.assertEquals("error",expResult[i],results[i]);
    }
//TODO: Test goes here... 
} 


//格式判断，测试是否能正确判断输入文件的格式
@Test
public void testIsTxtFormat() throws Exception { 
//TODO: Test goes here...
    String pathes[]={".txt",". txt"," .txt",""," ",".doc"};
    boolean[] expResult={true,false,true,false,false,false};
    int pathCount=pathes.length;
    boolean [] results=new boolean[pathCount];
    for(int i=0;i<pathCount;i++){
        results[i]= InputMod.IsTxtFormat(pathes[i]);
    }
    for(int i=0;i<pathCount;i++){
        Assert.assertEquals("error",expResult[i],results[i]);
    }
}