Merge pull request eugenp#6181 from urvyagrawal/BAEL-2558

Adding file for BAEL-2558

Author: lor6

core-java/src/test/java/com/baeldung/bitwiseoperator/test/BitwiseOperatorUnitTest.java

@@ -0,0 +1,81 @@
+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);
+    }
+
+}