Fix

Author: Hardvan

src/test/java/com/thealgorithms/conversions/IPConverterTest.java

@@ -10,11 +10,13 @@ public class IPConverterTest {
     public void testIpToBinary() {
         assertEquals("11000000.10101000.00000001.00000001", IPConverter.ipToBinary("192.168.1.1"));
         assertEquals("01111111.00000011.00000100.00000101", IPConverter.ipToBinary("127.3.4.5"));
+        assertEquals("00000000.00000000.00000000.00000000", IPConverter.ipToBinary("0.0.0.0"));
     }
 
     @Test
     public void testBinaryToIP() {
         assertEquals("192.168.1.1", IPConverter.binaryToIP("11000000.10101000.00000001.00000001"));
         assertEquals("127.3.4.5", IPConverter.binaryToIP("01111111.00000011.00000100.00000101"));
+        assertEquals("0.0.0.0", IPConverter.binaryToIP("00000000.00000000.00000000.00000000"));
     }
 }