计算器黑盒测试实验报告

一、测试目的设计测试用例、使用各种测试方法进行计算器的测试，并对测试结果进行分析二、测试内容1.软件说明：实现一个小的计算器程序，只需要完成加、减、乘、除运算，设计测试用例，并对测试结果进行分析，同时计算器运行稳定。

2、设计测试用例3、执行测试4、测试结果分析5、源代码三、测试步骤(一)、计算器界面2、设计测试用例（1）等价类测试：1、4个等价类测试用例的分析过程如下:测试用例加减乘除预期输出整型55+50 78-24 15*25 36/4 正常运算小数25.3+12.7 14.3-11.7 25.6*12.8 50.2/20.7 正常运算负数-20+-21 (-15)-(-14) -12*-12 -16/-5 正常运算无效输入E1+t2 G4-k5 I5*l6 Ff/se 非法操作无法输入2、对应测试的结果分析：整型：1.加（55+50）2.减（78-24）3.乘（15*25）4.除（36/4）小数1.加(25.3+12.7)2.减(14.3-11.7)3.乘(25.6*12.8)4.除(50.2/20.7)负数6.加 -20+-217.减(-15)-(-14)8.乘-12*-129.除 -16/-5(其中算式写法错误导致正常运算错误)无效输入1．加（E1+t2）：程序中无效数字无法正常输入，程序无法进行。

2．减（G4-k5）程序中无效数字无法正常输入，程序无法进行。

（同上）3．乘（I5*l6）程序中无效数字无法正常输入，程序无法进行。

（同上）4．除（Ff/se）程序中无效数字无法正常输入，程序无法进行。

（同上）5．（2）边界值法设计测试：加法：1、计算器4个标准等价类测试用例的分析过程如下:测试用例被加数加数预期输出Test1 0 10 正常运算Test2 1 10 正常运算Test3 40 10 正常运算Test4 55.5 10 正常运算Test5 -70 10 正常运算Test6 10 10 正常运算Test7 101 10 正常运算Test8 10 0 不能运算Test9 10 1 正常运算Test10 10 40 正常运算Test11 10 55.5 正常运算Test12 10 -78 正常运算Test13 10 100 正常运算Test14 10 101 正常运算2、对应测试与结果：测试结果运算均属正常，对应的部分的示图如下：Test1结果：Test2结果：Test3结果：Test4结果：Test5结果：Test6结果：减法：1、计算器4个标准等价类测试用例的分析过程如下:测试用例被减数减数预期输出Test1 0 10 正常运算Test2 1 10 正常运算Test3 40 10 正常运算Test4 55.5 10 正常运算Test5 -78 10 正常运算Test6 100 10 正常运算Test7 101 10 正常运算Test8 10 0 不能运算Test9 10 1 正常运算Test10 10 40 正常运算Test11 10 55.5 正常运算Test12 10 -78 正常运算Test13 10 100 正常运算Test14 10 101 正常运算2、对应测试与结果：测试结果运算均属正常，对应的部分的示图如下：Test1结果：Test3结果：Test4结果：Test5结果：Test6结果：乘法1、计算器4个标准等价类测试用例的分析过程如下:2、对应测试与结果：测试结果运算均属正常，对应的部分的示图如下：Test1结果：Test3结果：Test4结果：Test5结果：Test6结果：除法1、计算器4个标准等价类测试用例的分析过程如下:测试用例被除数除数预期输出Test1 0 10 正常运算Test2 1 10 正常运算Test3 40 10 正常运算Test4 55.5 10 正常运算Test5 -78 10 正常运算Test6 100 10 正常运算Test7 101 10 正常运算Test8 10 0 正常运算Test9 10 1 正常运算Test10 10 40 正常运算Test11 10 55.5 正常运算Test12 10 -78 正常运算Test13 10 100 正常运算Test14 10 101 正常运算2、对应测试与结果：对应的部分的示图如下：Test1结果：Test2结果：Test3结果：Test8结果：附录：源代码CCalculateDlg::CCalculateDlg(CWnd* pParent /*=NULL*/): CDialog(CCalculateDlg::IDD, pParent){//{{AFX_DATA_INIT(CCalculateDlg)m_parameter = 0.0;//}}AFX_DATA_INIT// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);CalculatePara = 0;CalculateResult = 0;Ispoint = false;Sumpoint = 0;}void CCalculateDlg::DoDataExchange(CDataExchange* pDX){CDialog::DoDataExchange(pDX);//{{AFX_DATA_MAP(CCalculateDlg)DDX_Text(pDX, IDC_EDIT, m_parameter);//}}AFX_DATA_MAP}BEGIN_MESSAGE_MAP(CCalculateDlg, CDialog)//{{AFX_MSG_MAP(CCalculateDlg)ON_WM_SYSCOMMAND()ON_WM_PAINT()ON_WM_QUERYDRAGICON()ON_BN_CLICKED(IDC_clear, Onclear)ON_BN_CLICKED(IDC_calculate, Oncalculate)ON_BN_CLICKED(IDC_para1, Onpara1)ON_BN_CLICKED(IDC_para2, Onpara2)ON_BN_CLICKED(IDC_para3, Onpara3)ON_BN_CLICKED(IDC_para4, Onpara4)ON_BN_CLICKED(IDC_para5, Onpara5)ON_BN_CLICKED(IDC_para6, Onpara6)ON_BN_CLICKED(IDC_para7, Onpara7)ON_BN_CLICKED(IDC_para8, Onpara8)ON_BN_CLICKED(IDC_para9, Onpara9)ON_BN_CLICKED(IDC_para0, Onpara0)ON_BN_CLICKED(IDC_point, Onpoint)ON_BN_CLICKED(IDC_minus, Onminus)ON_BN_CLICKED(IDC_plus, Onplus)ON_BN_CLICKED(IDC_subtrack, Onsubtrack)ON_BN_CLICKED(IDC_multiply, Onmultiply)ON_BN_CLICKED(IDC_divide, Ondivide)//}}AFX_MSG_MAPEND_MESSAGE_MAP()///////////////////////////////////////////////////////////////////////////// // CCalculateDlg message handlersBOOL CCalculateDlg::OnInitDialog(){CDialog::OnInitDialog();// Add "About..." menu item to system menu.// IDM_ABOUTBOX must be in the system command range.ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);ASSERT(IDM_ABOUTBOX < 0xF000);CMenu* pSysMenu = GetSystemMenu(FALSE);if (pSysMenu != NULL){CString strAboutMenu;strAboutMenu.LoadString(IDS_ABOUTBOX);if (!strAboutMenu.IsEmpty()){pSysMenu->AppendMenu(MF_SEPARATOR);pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);}}// Set the icon for this dialog. The framework does this automatically // when the application's main window is not a dialogSetIcon(m_hIcon, TRUE); // Set big iconSetIcon(m_hIcon, FALSE); // Set small icon// TODO: Add extra initialization herereturn TRUE; // return TRUE unless you set the focus to a control}void CCalculateDlg::OnSysCommand(UINT nID, LPARAM lParam){if ((nID & 0xFFF0) == IDM_ABOUTBOX){CAboutDlg dlgAbout;dlgAbout.DoModal();}else{CDialog::OnSysCommand(nID, lParam);}}// If you add a minimize button to your dialog, you will need the code below // to draw the icon. For MFC applications using the document/view model, // this is automatically done for you by the framework.void CCalculateDlg::OnPaint(){if (IsIconic())CPaintDC dc(this); // device context for paintingSendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);// Center icon in client rectangleint cxIcon = GetSystemMetrics(SM_CXICON);int cyIcon = GetSystemMetrics(SM_CYICON);CRect rect;GetClientRect(&rect);int x = (rect.Width() - cxIcon + 1) / 2;int y = (rect.Height() - cyIcon + 1) / 2;// Draw the icondc.DrawIcon(x, y, m_hIcon);}else{CDialog::OnPaint();}}// The system calls this to obtain the cursor to display while the user drags // the minimized window.HCURSOR CCalculateDlg::OnQueryDragIcon(){return (HCURSOR) m_hIcon;}void CCalculateDlg::Onclear(){UpdateData(true);m_parameter = 0;CalculatePara = 0;CalculateResult = 0;Ispoint = false;Sumpoint = 0;UpdateData(false);// TODO: Add your control notification handler code here}void CCalculateDlg::Oncalculate(){UpdateData(true);CalculatePara = m_parameter;switch(CalculateExpre){case'+':CalculateResult += CalculatePara;m_parameter = CalculateResult;break;case'-':CalculateResult -= CalculatePara;m_parameter = CalculateResult;break;case'*':CalculateResult *= CalculatePara;m_parameter = CalculateResult;break;case'/':if (CalculatePara){CalculateResult /= CalculatePara;m_parameter = CalculateResult;}else{m_parameter = 0;MessageBox("除数不能为零!");}break;}// TODO: Add your control notification handler code hereCalculatePara = 0;CalculateResult = 0;Ispoint = false;Sumpoint = 0;UpdateData(false);}void CCalculateDlg::Onpara1(){UpdateData(true);if (!Ispoint){CalculatePara = m_parameter*10 + 1;}else{CalculatePara = m_parameter + 1/pow(10,Sumpoint);Sumpoint++;}m_parameter = CalculatePara;UpdateData(false);// TODO: Add your control notification handler code here }void CCalculateDlg::Onpara2(){UpdateData(true);if (!Ispoint){CalculatePara = m_parameter*10 + 2;}else{CalculatePara = m_parameter + 2/pow(10,Sumpoint);Sumpoint++;}m_parameter = CalculatePara;UpdateData(false);// TODO: Add your control notification handler code here }void CCalculateDlg::Onpara3(){UpdateData(true);if (!Ispoint){CalculatePara = m_parameter*10 + 3;}else{CalculatePara = m_parameter + 3/pow(10,Sumpoint);Sumpoint++;}m_parameter = CalculatePara;UpdateData(false);// TODO: Add your control notification handler code here }void CCalculateDlg::Onpara4(){UpdateData(true);if (!Ispoint){CalculatePara = m_parameter*10 + 4;}else{CalculatePara = m_parameter + 4/pow(10,Sumpoint);Sumpoint++;}m_parameter = CalculatePara;UpdateData(false);// TODO: Add your control notification handler code here }void CCalculateDlg::Onpara5(){UpdateData(true);if (!Ispoint){CalculatePara = m_parameter*10 + 5;}else{CalculatePara = m_parameter + 5/pow(10,Sumpoint);Sumpoint++;}m_parameter = CalculatePara;UpdateData(false);// TODO: Add your control notification handler code here }void CCalculateDlg::Onpara6(){UpdateData(true);if (!Ispoint){CalculatePara = m_parameter*10 + 6;}else{CalculatePara = m_parameter + 6/pow(10,Sumpoint);Sumpoint++;}m_parameter = CalculatePara;UpdateData(false);// TODO: Add your control notification handler code here }void CCalculateDlg::Onpara7(){UpdateData(true);if (!Ispoint){CalculatePara = m_parameter*10 + 7;}else{CalculatePara = m_parameter + 7/pow(10,Sumpoint);Sumpoint++;}m_parameter = CalculatePara;UpdateData(false);// TODO: Add your control notification handler code here }void CCalculateDlg::Onpara8(){UpdateData(true);if (!Ispoint){CalculatePara = m_parameter*10 + 8;}else{CalculatePara = m_parameter + 8/pow(10,Sumpoint);Sumpoint++;}m_parameter = CalculatePara;UpdateData(false);// TODO: Add your control notification handler code here }void CCalculateDlg::Onpara9(){UpdateData(true);if (!Ispoint){CalculatePara = m_parameter*10 + 9;}else{CalculatePara = m_parameter + 9/pow(10,Sumpoint);Sumpoint++;}m_parameter = CalculatePara;UpdateData(false);// TODO: Add your control notification handler code here }void CCalculateDlg::Onpara0(){UpdateData(true);if (!Ispoint){CalculatePara = m_parameter*10 + 0;}else{Sumpoint++;}m_parameter = CalculatePara;UpdateData(false);// TODO: Add your control notification handler code here}void CCalculateDlg::Onpoint(){Ispoint = true;Sumpoint = 1;// TODO: Add your control notification handler code here}void CCalculateDlg::Onminus(){UpdateData(true);m_parameter = 0 - m_parameter;UpdateData(false);// TODO: Add your control notification handler code here }void CCalculateDlg::Onplus(){UpdateData(true);CalculateResult = m_parameter;CalculateExpre = '+';m_parameter = 0;Ispoint = false;Sumpoint = 0;UpdateData(false);// TODO: Add your control notification handler code here }void CCalculateDlg::Onsubtrack(){UpdateData(true);CalculateResult = m_parameter;CalculateExpre = '-';m_parameter = 0;Ispoint = false;Sumpoint = 0;UpdateData(false);// TODO: Add your control notification handler code here }void CCalculateDlg::Onmultiply(){UpdateData(true);CalculateResult = m_parameter;CalculateExpre = '*';m_parameter = 0;Ispoint = false;Sumpoint = 0;UpdateData(false);// TODO: Add your control notification handler code here }void CCalculateDlg::Ondivide(){UpdateData(true);CalculateResult = m_parameter;CalculateExpre = '/';m_parameter = 0;Ispoint = false;Sumpoint = 0;UpdateData(false);// TODO: Add your control notification handler code here }。