// bugTest.cpp: 定义应用程序的入口点。
//
#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
class BugTemplate {
public:
virtual void FixTest() = 0;
};
//存在1个bug
class ClassBug :public BugTemplate
{
private:
const std::string StringToUpper(const char* src)
{
std::string temp;
temp = src;
std::transform(temp.begin(), temp.end(), temp.begin(), ::toupper);
return temp;
}
const std::string StringToLower(const char* src)
{
std::string temp;
temp = src;
std::transform(temp.begin(), temp.end(), temp.begin(), ::tolower);
return temp;
}
public:
ClassBug() {}
~ClassBug() {}
//需要修复乱码问题
//tip:考察对类的作用域理解
virtual void FixTest()
{
std::cout << "请修复bug，使程序正确输出转大写转小写" << std::endl;
const char* test = "ABCddasdasdaddaweqWADfFcddasdasdaddaweqewabcddasdasdaddaweWQD";
const char* test1 = StringToUpper(test).c_str();
const char* test2 = StringToLower(test).c_str();
std::cout << test << std::endl;
std::cout << test1 << std::endl;
std::cout << test2 << std::endl;
}
};
struct buffertest {
char strbuffer1[8];
char strbuffer2[8];
char strbuffer3[8];
};
//存在3个bug
class CopyBug :public BugTemplate
{
public:
CopyBug() {}
~CopyBug() {}
//需要修复乱码问题
virtual void FixTest()
{
std::cout << "请让程序能够正常输出ABCDEFGHIJKLMNOP" << std::endl;
buffertest* buffer = (buffertest*)malloc(sizeof(buffertest));
strcpy(buffer->strbuffer2, "IJKLMNOP");
strcpy(buffer->strbuffer1, "ABCDEFGH");
std::cout << buffer->strbuffer1;
std::cout << buffer->strbuffer2 << std::endl;
}
};
//存在一个bug
class VectorBug :public BugTemplate
{
public:
VectorBug() {}
~VectorBug() {}
virtual void FixTest()
{
std::vector<int> vec = {1,2,3,4,5,6,7,8,9};
std::cout << "正确使用迭代器删除程序前三个数值,使程序不崩溃" << std::endl;
std::vector<int>::iterator it = vec.begin();
for (int i = 0; i < 3; i++)
{
vec.erase(it);
it++;
}
for (it = vec.begin(); it != vec.end(); it++)
{
std::cout << *it << " ";
}
}
};
//修复bug 使程序正常运作
int main()
{
{
ClassBug bug;
bug.FixTest();
}
{
CopyBug bug;
bug.FixTest();
}
{
VectorBug bug;
bug.FixTest();
}
system("pause");
return 0;
}
