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Merge pull request #7522 from dupirefr/bael-3117

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dupirefr/dupire.francois+pro@gmail.com [BAEL-3117] The XOR Operator in Java
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Erik Pragt 2019-09-06 08:14:47 +10:00 committed by GitHub
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36
core-java-modules/core-java-lang-operators/src/main/java/com/baeldung/booleanoperators/Car.java Normal file
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package com.baeldung.booleanoperators;
public class Car {
private boolean diesel;
private boolean manual;
public Car(boolean diesel, boolean manual) {
this.diesel = diesel;
this.manual = manual;
}
public boolean isDiesel() {
return diesel;
}
public boolean isManual() {
return manual;
}
static Car dieselAndManualCar() {
return new Car(true, true);
}
static Car dieselAndAutomaticCar() {
return new Car(true, false);
}
static Car oilAndManualCar() {
return new Car(false, true);
}
static Car oilAndAutomaticCar() {
return new Car(false, false);
}
}

69
core-java-modules/core-java-lang-operators/src/test/java/com/baeldung/booleanoperators/XorUnitTest.java Normal file
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package com.baeldung.booleanoperators;
import org.junit.jupiter.api.Test;
import static org.assertj.core.api.Assertions.assertThat;
class XorUnitTest {
@Test
void givenDieselManualCar_whenXorOldSchool_thenFalse() {
Car car = Car.dieselAndManualCar();
boolean dieselXorManual = (car.isDiesel() && !car.isManual()) || (!car.isDiesel() && car.isManual());
assertThat(dieselXorManual).isFalse();
}
@Test
void givenDieselAutomaticCar_whenXorOldSchool_thenTrue() {
Car car = Car.dieselAndAutomaticCar();
boolean dieselXorManual = (car.isDiesel() && !car.isManual()) || (!car.isDiesel() && car.isManual());
assertThat(dieselXorManual).isTrue();
}
@Test
void givenNonDieselManualCar_whenXorOldSchool_thenTrue() {
Car car = Car.oilAndManualCar();
boolean dieselXorManual = (car.isDiesel() && !car.isManual()) || (!car.isDiesel() && car.isManual());
assertThat(dieselXorManual).isTrue();
}
@Test
void givenNonDieselAutomaticCar_whenXorOldSchool_thenFalse() {
Car car = Car.oilAndAutomaticCar();
boolean dieselXorManual = (car.isDiesel() && !car.isManual()) || (!car.isDiesel() && car.isManual());
assertThat(dieselXorManual).isFalse();
}
@Test
void givenDieselManualCar_whenXor_thenFalse() {
Car car = Car.dieselAndManualCar();
boolean dieselXorManual = car.isDiesel() ^ car.isManual();
assertThat(dieselXorManual).isFalse();
}
@Test
void givenDieselAutomaticCar_whenXor_thenTrue() {
Car car = Car.dieselAndAutomaticCar();
boolean dieselXorManual = car.isDiesel() ^ car.isManual();
assertThat(dieselXorManual).isTrue();
}
@Test
void givenNonDieselManualCar_whenXor_thenTrue() {
Car car = Car.oilAndManualCar();
boolean dieselXorManual = car.isDiesel() ^ car.isManual();
assertThat(dieselXorManual).isTrue();
}
@Test
void givenNonDieselAutomaticCar_whenXor_thenFalse() {
Car car = Car.oilAndAutomaticCar();
boolean dieselXorManual = car.isDiesel() ^ car.isManual();
assertThat(dieselXorManual).isFalse();
}
@Test
void givenNumbersOneAndThree_whenXor_thenTwo() {
assertThat(1 ^ 3).isEqualTo(2);
}
}