Update MinimumWindowSubstringTest.java

Author: Anubhav-pandey004

src/test/java/com/thealgorithms/slidingwindow/MinimumWindowSubstringTest.java

@@ -5,8 +5,11 @@
 import org.junit.jupiter.api.Test;
 
 /**
- * Unit tests for the MinimumWindowSubstring class.
+ * Finds the minimum window substring in {@code s} that contains all characters of {@code t}.
  *
+ * @param s The input string to search within
+ * @param t The string with required characters
+ * @return The minimum window substring, or empty string if not found
  * @author  (https://github.com/Chiefpatwal)
  */
 public class MinimumWindowSubstringTest {
@@ -16,16 +19,16 @@ public class MinimumWindowSubstringTest {
      */
     @Test
     public void testMinimumWindowSubstring() {
-        assertEquals("BANC", MinimumWindowSubstring.minWindow("ADOBECODEBANC", "ABC")); // "BANC"
-        assertEquals("a", MinimumWindowSubstring.minWindow("a", "a")); // "a"
-        assertEquals("", MinimumWindowSubstring.minWindow("a", "aa")); // ""
-        assertEquals("", MinimumWindowSubstring.minWindow("ADOBECODEBANC", "XYZ")); 
+        assertEquals("BANC", MinimumWindowSubstring.minWindow("ADOBECODEBANC", "ABC"));
+        assertEquals("a", MinimumWindowSubstring.minWindow("a", "a"));
+        assertEquals("", MinimumWindowSubstring.minWindow("a", "aa"));
+        assertEquals("", MinimumWindowSubstring.minWindow("ADOBECODEBANC", "XYZ"));
         assertEquals("BC", MinimumWindowSubstring.minWindow("ABCDEF", "BC"));
         assertEquals("q", MinimumWindowSubstring.minWindow("abcdefghijklmnopqrstuvwxyz", "q"));
-        assertEquals("", MinimumWindowSubstring.minWindow("zzzzzzzzz", "zzzzzzzzzz")); 
-        assertEquals("abbbbbcdd", MinimumWindowSubstring.minWindow("aaaaaaaaaaaabbbbbcdd", "abcdd")); 
+        assertEquals("", MinimumWindowSubstring.minWindow("zzzzzzzzz", "zzzzzzzzzz"));
+        assertEquals("abbbbbcdd", MinimumWindowSubstring.minWindow("aaaaaaaaaaaabbbbbcdd", "abcdd"));
         assertEquals("ABCDEFG", MinimumWindowSubstring.minWindow("ABCDEFG", "ABCDEFG"));
-        assertEquals("", MinimumWindowSubstring.minWindow("abc", "A")); 
-        assertEquals("A", MinimumWindowSubstring.minWindow("aAbBcC", "A")); 
+        assertEquals("", MinimumWindowSubstring.minWindow("abc", "A"));
+        assertEquals("A", MinimumWindowSubstring.minWindow("aAbBcC", "A"));
     }
 }