西南科技大学计算机学院实验报告实 验 名 称 计算器黑盒测试 实 验 地 点 实 验 日 期 指 导 教 师 学 生 班 级 学 生 姓 名 学 生 学 号 提 交 日 期 软件教研室制一、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+5078-2415*2536/4正常运算小数25.3+12.714.3-11.725.6*12.850.2/20.7正常运算负数-20+-21(-15)-(-14)-12*-12-16/-5正常运算无效输入E1+t2G4-k5I5*l6Ff/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+-21 7.减(-15)-(-14) 8.乘-12*-12 9.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Test1010正常运算Test2110正常运算Test34010正常运算Test455.510正常运算Test5-7010正常运算Test61010正常运算Test710110正常运算Test8100不能运算Test9101正常运算Test101040正常运算Test111055.5正常运算Test1210-78正常运算Test1310100正常运算Test1410101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Test1010正常运算Test2110正常运算Test34010正常运算Test455.510正常运算Test5-7810正常运算Test610010正常运算Test710110正常运算Test8100不能运算Test9101正常运算Test101040正常运算Test111055.5正常运算Test1210-78正常运算Test1310100正常运算Test1410101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:测试用例被乘数乘数预期输出Test1050正常运算Test215正常运算Test32410正常运算Test455.510正常运算Test5-7810正常运算Test610010正常运算Test710110正常运算Test8100不能运算Test9101正常运算Test101040正常运算Test111055.5正常运算Test1210-78正常运算Test1310100正常运算Test1410101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：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Test1010正常运算Test2110正常运算Test34010正常运算Test455.510正常运算Test5-7810正常运算Test610010正常运算Test710110正常运算Test8100正常运算Test9101正常运算Test101040正常运算Test111055.5正常运算Test1210-78正常运算Test1310100正常运算Test1410101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 dialog SetIcon(m_hIcon, TRUE); // Set big icon SetIcon(m_hIcon, FALSE); // Set small icon // TODO: Add extra initialization here return 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 painting SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); // Center icon in client rectangle int 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 icon dc.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 here CalculatePara = 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 }。