diff --git a/src/test/java/com/thealgorithms/bitmanipulation/ParityCheckTest.java b/src/test/java/com/thealgorithms/bitmanipulation/ParityCheckTest.java
index 90147a61207b..1654c8ddfc1e 100644
--- a/src/test/java/com/thealgorithms/bitmanipulation/ParityCheckTest.java
+++ b/src/test/java/com/thealgorithms/bitmanipulation/ParityCheckTest.java
@@ -6,10 +6,30 @@
import org.junit.jupiter.api.Test;
public class ParityCheckTest {
+ @Test
+ public void testIsEvenParity() {
+ assertTrue(ParityCheck.checkParity(0)); // 0 -> 0 ones
+ assertTrue(ParityCheck.checkParity(3)); // 11 -> 2 ones
+ assertTrue(ParityCheck.checkParity(5)); // 101 -> 2 ones
+ assertTrue(ParityCheck.checkParity(10)); // 1010 -> 2 ones
+ assertTrue(ParityCheck.checkParity(15)); // 1111 -> 4 ones
+ assertTrue(ParityCheck.checkParity(1023)); // 10 ones
+ }
+
@Test
public void testIsOddParity() {
- assertTrue(ParityCheck.checkParity(5)); // 101 has 2 ones (even parity)
- assertFalse(ParityCheck.checkParity(7)); // 111 has 3 ones (odd parity)
- assertFalse(ParityCheck.checkParity(8)); // 1000 has 1 one (odd parity)
+ assertFalse(ParityCheck.checkParity(1)); // 1 -> 1 one
+ assertFalse(ParityCheck.checkParity(2)); // 10 -> 1 one
+ assertFalse(ParityCheck.checkParity(7)); // 111 -> 3 ones
+ assertFalse(ParityCheck.checkParity(8)); // 1000 -> 1 one
+ assertFalse(ParityCheck.checkParity(11)); // 1011 -> 3 ones
+ assertFalse(ParityCheck.checkParity(31)); // 11111 -> 5 ones
+ }
+
+ @Test
+ public void testLargeNumbers() {
+ assertTrue(ParityCheck.checkParity(0b10101010)); // 4 ones
+ assertFalse(ParityCheck.checkParity(0b100000000)); // 1 one
+ assertTrue(ParityCheck.checkParity(0xAAAAAAAA)); // Alternating bits, 16 ones
}
}
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