Vector/Linux/Vector.cc

#include "Vector.hpp"
#include <string>

using namespace Lenyiin;

void print_Vector(const Vector<int> &v)
{
    Vector<int>::const_iterator it = v.begin();
    while (it != v.end())
    {
        cout << *it << " ";
        ++it;
    }
    cout << endl;
}

// Vector 容器遍历
void test1()
{
    Vector<int> v;

    // 插入
    v.push_back(1);
    v.push_back(2);
    v.push_back(3);
    v.push_back(4);
    v.push_back(5);

    // 查看容量
    cout << v.size() << endl;
    cout << v.capacity() << endl
         << endl;
    ;

    // 1. 下标运算符 [] 遍历
    cout << "1. 下标运算符 [] 遍历 \t\t";
    for (size_t i = 0; i < v.size(); i++)
    {
        cout << v[i] << " ";
    }
    cout << endl;

    // 2. 迭代器遍历
    cout << "2. 迭代器遍历 \t\t\t";
    Vector<int>::iterator it = v.begin();
    while (it != v.end())
    {
        cout << *it << " ";
        ++it;
    }
    cout << endl;

    // 3. const_iterator 迭代器遍历
    cout << "3. const_iterator 迭代器遍历 \t";
    print_Vector(v);

    // 4. 范围 for 遍历
    cout << "4. 范围 for 遍历 \t\t";
    for (auto &e : v)
    {
        cout << e << " ";
    }
    cout << endl;

    // 4. 范围 for 遍历 const
    cout << "5. 范围 for 遍历 const \t\t";
    for (const auto &e : v)
    {
        cout << e << " ";
    }
    cout << endl;
}

void test2()
{
    Vector<int> v;
    v.push_back(1);
    v.push_back(2);
    v.push_back(3);
    v.push_back(4);
    v.push_back(5);
    v.push_back(6);
    print_Vector(v);
    cout << v.size() << endl;
    cout << v.capacity() << endl
         << endl;
    ;

    // 随即插入
    v.insert(v.begin(), 0);
    print_Vector(v);

    // 删除所有偶数
    Vector<int>::iterator it = v.begin();
    while (it != v.end())
    {
        if (*it % 2 == 0)
        {
            it = v.erase(it);
        }
        else
        {
            it++;
        }
    }
    print_Vector(v);
}

void test3()
{
    Vector<int> v;
    v.push_back(1);
    v.push_back(2);
    v.push_back(3);
    v.push_back(4);
    v.push_back(5);
    v.push_back(6);
    v.push_back(7);

    print_Vector(v);
    cout << v.size() << endl;
    cout << v.capacity() << endl
         << endl;
    ;

    // resize
    v.resize(4);
    print_Vector(v);
    cout << v.size() << endl;
    cout << v.capacity() << endl
         << endl;
    ;

    v.resize(8);
    print_Vector(v);
    cout << v.size() << endl;
    cout << v.capacity() << endl
         << endl;
    ;

    v.resize(15);
    print_Vector(v);
    cout << v.size() << endl;
    cout << v.capacity() << endl
         << endl;
    ;

    // 清除
    v.clear();
    print_Vector(v);
    cout << v.size() << endl;
    cout << v.capacity() << endl
         << endl;
    ;

    // reserve
    v.reserve(20);
    print_Vector(v);
    cout << v.size() << endl;
    cout << v.capacity() << endl
         << endl;
    ;
}

void test4()
{
    // 默认构造
    Vector<int> v1;
    v1.push_back(1);
    v1.push_back(2);
    v1.push_back(3);
    v1.push_back(4);
    v1.push_back(5);
    v1.push_back(6);
    v1.push_back(7);
    print_Vector(v1);

    // 拷贝构造
    Vector<int> v2(v1);
    print_Vector(v2);

    Vector<int> v3;
    v3.push_back(10);
    v3.push_back(20);
    v3.push_back(30);
    v3.push_back(40);

    // 赋值
    v1 = v3;
    print_Vector(v1);
    print_Vector(v3);
}

void test5()
{
    // 模板
    Vector<string> v;
    v.push_back("111");
    v.push_back("222");
    v.push_back("333");
    v.push_back("444");

    for (auto e : v)
    {
        cout << e << " ";
    }
    cout << endl;
}

int main()
{
    // test1();
    // test2();
    // test3();
    // test4();
    test5();

    return 0;
}