1. DISEÑO Y PRUEBAS DE UNIDAD INTEGRANTES: ÁLVAREZ GONZÁLEZ ÁLVARO ÁNGEL AVILES MÓNICA GÓMEZ LÓPEZ RODOLFO GUZMÁN ZANABRIA ANA LAURA PÉREZ MELO ALAN GIOVANNI SUAZO REZA DAVID

2. DISEÑO

4. BIBLIOGRAFÍA http://goo.gl/kU0I5 http://goo.gl/6pcDy http://goo.gl/GDa9Z http://goo.gl/9Dzvt http://goo.gl/gIMBh http://goo.gl/qy13L http://www.junit.org/ http://goo.gl/hUrp3 http://goo.gl/WKWzp

5. Clase operación public class Operacion { static intCalcular (int p , int n){ int m ; if(n==0){ m=123456789; } else{ m= ((p - (3*n)) / (p - n + 4)); } return m; } }

6. Midlet publicclassMidletextendsMIDletimplementsCommandListener { private final Displaydisplay = Display.getDisplay(this); private final TextFieldtxtP = new TextField("P:","",10,TextField.NUMERIC); private final TextFieldtxtN = new TextField("N:","",10,TextField.NUMERIC); private final StringItemtxtres = new StringItem("M=", ""); private final CommandcmdSalir = new Command ("salir", Command.EXIT,1); private final CommandcmdSuma = new Command ("Calcular",Command.SCREEN,1); private final FormfrmCalculo = new Form("Operacion:"); { frmCalculo.append(txtP); frmCalculo.append(txtN); frmCalculo.append(txtres); frmCalculo.addCommand(cmdSuma); frmCalculo.addCommand(cmdSalir); frmCalculo.setCommandListener((CommandListener)this); }

7. publicvoidstartApp() { display.setCurrent(frmCalculo); } publicvoidpauseApp() { } publicvoiddestroyApp(booleanunconditional) { } publicvoidcommandAction(Command c, Displayable d) { if(d == frmCalculo && c==cmdSalir){ salir(); }elseif(d== frmCalculo && c==cmdSuma){ suma(); } } privatevoid salir() { destroyApp(true); notifyDestroyed(); }

8. privatevoid suma() { int a = Integer.parseInt(txtP.getString().trim()); int b= Integer.parseInt(txtN.getString().trim()); int resultado=Operacion.Calcular(a, b); if(resultado==123456789){ txtres.setText("error"); }else txtres.setText(""+resultado); } }

9. Pruebas de unidad publicclassOperacionTest { publicOperacionTest() { } @BeforeClass publicstaticvoidsetUpClass() throwsException { } @AfterClass publicstaticvoidtearDownClass() throwsException { } @Before publicvoidsetUp() { } @After publicvoidtearDown() { }

10. @Test publicvoidtestCalcular() { System.out.println("Calcular"); assertEquals(0,Operacion.Calcular(1, 1)); assertEquals(1,Operacion.Calcular(5, -8)); assertEquals(-7,Operacion.Calcular(4, 6)); assertEquals(7,Operacion.Calcular(-4, 1)); assertEquals(2,Operacion.Calcular(1, -9)); assertTrue(Operacion.Calcular(1, 1)== 0); //caso erroneo assertFalse(Operacion.Calcular(1, 1)== 2); assertFalse(Operacion.Calcular(1, 1)== 3); } }