test: ReverseStringRecursiveTest

Author: alxkm

src/main/java/com/thealgorithms/strings/ReverseStringRecursive.java

@@ -3,10 +3,10 @@
 /**
  * Reverse String using Recursion
  */
-
 public final class ReverseStringRecursive {
     private ReverseStringRecursive() {
     }
+
     /**
      * @param str string to be reversed
      * @return reversed string

src/test/java/com/thealgorithms/strings/ReverseStringRecursiveTest.java

@@ -2,30 +2,13 @@
 
 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;
 
 public class ReverseStringRecursiveTest {
-    @Test
-    void shouldAcceptWhenEmptyStringIsPassed() {
-        String expected = "";
-        String reversed = ReverseStringRecursive.reverse("");
-
-        assertEquals(expected, reversed);
-    }
-
-    @Test
-    void shouldAcceptNotWhenWhenSingleCharacterIsPassed() {
-        String expected = "a";
-        String reversed = ReverseStringRecursive.reverse("a");
-
-        assertEquals(expected, reversed);
-    }
-
-    @Test
-    void shouldAcceptWhenStringIsPassed() {
-        String expected = "dlroWolleH";
-        String reversed = ReverseStringRecursive.reverse("HelloWorld");
-
-        assertEquals(expected, reversed);
+    @ParameterizedTest
+    @CsvSource({"'Hello World', 'dlroW olleH'", "'helloworld', 'dlrowolleh'", "'123456789', '987654321'", "'', ''", "'A', 'A'", "'!123 ABC xyz!', '!zyx CBA 321!'", "'Abc 123 Xyz', 'zyX 321 cbA'", "'12.34,56;78:90', '09:87;65,43.21'", "'abcdEFGHiJKL', 'LKJiHGFEdcba'", "'MixOf123AndText!', '!txeTdnA321fOxiM'"})
+    public void testReverseString(String input, String expectedOutput) {
+        assertEquals(expectedOutput, ReverseStringRecursive.reverse(input));
     }
 }