Merge pull request #6181 from urvyagrawal/BAEL-2558

Adding file for BAEL-2558
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Loredana Crusoveanu 2019-01-22 20:27:59 +02:00 committed by GitHub
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package com.baeldung.bitwiseoperator.test;
import static org.junit.Assert.assertEquals;
import org.junit.jupiter.api.Test;
public class BitwiseOperatorUnitTest {
@Test
public void givenTwoIntegers_whenAndOperator_thenNewDecimalNumber() {
int value1 = 6;
int value2 = 5;
int result = value1 & value2;
assertEquals(result, 4);
}
@Test
public void givenTwoIntegers_whenOrOperator_thenNewDecimalNumber() {
int value1 = 6;
int value2 = 5;
int result = value1 | value2;
assertEquals(result, 7);
}
@Test
public void givenTwoIntegers_whenXorOperator_thenNewDecimalNumber() {
int value1 = 6;
int value2 = 5;
int result = value1 ^ value2;
assertEquals(result, 3);
}
@Test
public void givenOneInteger_whenNotOperator_thenNewDecimalNumber() {
int value1 = 6;
int result = ~value1;
assertEquals(result, -7);
}
@Test
public void givenOnePositiveInteger_whenSignedRightShiftOperator_thenNewDecimalNumber() {
int value = 12;
int rightShift = value >> 2;
assertEquals(rightShift, 3);
}
@Test
public void givenOneNegativeInteger_whenSignedRightShiftOperator_thenNewDecimalNumber() {
int value = -12;
int rightShift = value >> 2;
assertEquals(rightShift, -3);
}
@Test
public void givenOnePositiveInteger_whenLeftShiftOperator_thenNewDecimalNumber() {
int value = 12;
int leftShift = value << 2;
assertEquals(leftShift, 48);
}
@Test
public void givenOneNegativeInteger_whenLeftShiftOperator_thenNewDecimalNumber() {
int value = -12;
int leftShift = value << 2;
assertEquals(leftShift, -48);
}
@Test
public void givenOnePositiveInteger_whenUnsignedRightShiftOperator_thenNewDecimalNumber() {
int value = 12;
int unsignedRightShift = value >>> 2;
assertEquals(unsignedRightShift, 3);
}
@Test
public void givenOneNegativeInteger_whenUnsignedRightShiftOperator_thenNewDecimalNumber() {
int value = -12;
int unsignedRightShift = value >>> 2;
assertEquals(unsignedRightShift, 1073741821);
}
}