Created
May 15, 2012 01:57
-
-
Save delucas/2698505 to your computer and use it in GitHub Desktop.
UNLaM - Ejemplo de TDD, armando una Ecuación Lineal
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
package ar.edu.unlam.tallerweb.tdd; | |
public class EcuacionLineal { | |
private int m; | |
private int b; | |
public EcuacionLineal(int m) { | |
this.m = m; | |
} | |
public EcuacionLineal(int m, int b) { | |
this.m = m; | |
this.b = b; | |
} | |
public int evaluar(int x) { | |
return this.m * x + this.b; | |
} | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
package ar.edu.unlam.tallerweb.tdd; | |
import org.junit.Assert; | |
import org.junit.Test; | |
public class EcuacionLinealTests { | |
@Test | |
public void queSePuedaCrearUnaEcuacionLineal(){ | |
EcuacionLineal ecuacion = new EcuacionLineal(1); | |
Assert.assertNotNull(ecuacion); | |
} | |
@Test | |
public void queUnaEcuacionParaCeroEnIdentidadEsCero(){ | |
EcuacionLineal ecuacion = new EcuacionLineal(1); | |
int resultadoEsperado = 0; | |
Assert.assertEquals(resultadoEsperado, ecuacion.evaluar(0)); | |
} | |
@Test | |
public void queUnaEcuacionParaUnoEnIdentidadEsUno(){ | |
EcuacionLineal ecuacion = new EcuacionLineal(1); | |
int resultadoEsperado = 1; | |
Assert.assertEquals(resultadoEsperado, ecuacion.evaluar(1)); | |
} | |
@Test | |
public void queUnaEcuacionParaDosEnIdentidadEsDos(){ | |
EcuacionLineal ecuacion = new EcuacionLineal(1); | |
int resultadoEsperado = 2; | |
Assert.assertEquals(resultadoEsperado, ecuacion.evaluar(2)); | |
} | |
@Test | |
public void queUnaEcuacionParaUnoEnIdentidadPorDosEsDos(){ | |
EcuacionLineal ecuacion = new EcuacionLineal(2); | |
int resultadoEsperado = 2; | |
Assert.assertEquals(resultadoEsperado, ecuacion.evaluar(1)); | |
} | |
@Test | |
public void queUnaEcuacionParaDosEnIdentidadPorDosEsCuatro(){ | |
EcuacionLineal ecuacion = new EcuacionLineal(2); | |
int resultadoEsperado = 4; | |
Assert.assertEquals(resultadoEsperado, ecuacion.evaluar(2)); | |
} | |
@Test | |
public void queUnaEcuacionParaTresEnIdentidadPorDosEsSeis(){ | |
EcuacionLineal ecuacion = new EcuacionLineal(2); | |
int resultadoEsperado = 6; | |
Assert.assertEquals(resultadoEsperado, ecuacion.evaluar(3)); | |
} | |
@Test | |
public void queUnaEcuacionParaUnoEnIdentidadPorTresEsTres(){ | |
EcuacionLineal ecuacion = new EcuacionLineal(3); | |
int resultadoEsperado = 3; | |
Assert.assertEquals(resultadoEsperado, ecuacion.evaluar(1)); | |
} | |
@Test | |
public void queUnaEcuacionParaCeroEnConCoeficienteCeroConTerminoIndependienteUnoEsUno(){ | |
EcuacionLineal ecuacion = new EcuacionLineal(0, 1); | |
int resultadoEsperado = 1; | |
Assert.assertEquals(resultadoEsperado, ecuacion.evaluar(0)); | |
} | |
@Test | |
public void queUnaEcuacionParaCeroEnConCoeficienteCeroConTerminoIndependienteDosEsDos(){ | |
EcuacionLineal ecuacion = new EcuacionLineal(0, 2); | |
int resultadoEsperado = 2; | |
Assert.assertEquals(resultadoEsperado, ecuacion.evaluar(0)); | |
} | |
@Test | |
public void queUnaEcuacionParaUnoConCoeficienteUnoConTerminoIndependienteUnoEsDos(){ | |
EcuacionLineal ecuacion = new EcuacionLineal(1, 1); | |
int resultadoEsperado = 2; | |
Assert.assertEquals(resultadoEsperado, ecuacion.evaluar(1)); | |
} | |
@Test | |
public void queUnaEcuacionParaDosConCoeficienteUnoConTerminoIndependienteUnoEsDos(){ | |
EcuacionLineal ecuacion = new EcuacionLineal(2, 1); | |
int resultadoEsperado = 3; | |
Assert.assertEquals(resultadoEsperado, ecuacion.evaluar(1)); | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment