added parameterized tests

Author: DarkMatter-999

src/test/java/com/thealgorithms/bitmanipulation/SwapAdjacentBitsTest.java

@@ -2,20 +2,20 @@
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
-import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.CsvSource;
 
 class SwapAdjacentBitsTest {
 
-    @Test
-    void testSwapAdjacentBits() {
-        assertEquals(1, SwapAdjacentBits.swapAdjacentBits(2));
-
-        assertEquals(23, SwapAdjacentBits.swapAdjacentBits(43));
-
-        assertEquals(102, SwapAdjacentBits.swapAdjacentBits(153));
-
-        assertEquals(15, SwapAdjacentBits.swapAdjacentBits(15));
-
-        assertEquals(0, SwapAdjacentBits.swapAdjacentBits(0));
+    @ParameterizedTest
+    @CsvSource({
+        "2, 1",     // 2 (10 in binary) should become 1 (01 in binary)
+        "43, 23",   // 43 should become 23
+        "153, 102", // 153 should become 102
+        "15, 15",   // 15 (1111) remains 15 (1111)
+        "0, 0"      // 0 (0000) remains 0 (0000)
+    })
+    void testSwapAdjacentBits(int input, int expected) {
+        assertEquals(expected, SwapAdjacentBits.swapAdjacentBits(input));
     }
 }