Aug 22, 2022 · Aug 22, 2022
diff --git a/src/main/java/com/rampatra/strings/CompressString.java b/src/main/java/com/rampatra/strings/CompressString.java
     * @param str the input string consisting on only alphabets
     * @return the compressed string
     */
 private static String compress(String str) {
 public static String compress(String str) {
        // some basic validation
        if (str.length() == 0) {
            throw new IllegalArgumentException("Empty String");
diff --git a/src/tests/UnitTesting.java b/src/tests/UnitTesting.java
 package tests;
 import static org.junit.jupiter.api.Assertions.*;

 import org.junit.jupiter.api.Test;

 public class MyClass {


 @Test
 public void test_01() {

 //assertThrows()
 assertThrows(IllegalArgumentException.class,() ->{
 CompressString.compress("");

 });
 }
 @Test
 public void test_02() {

 assertEquals("a2b",CompressString.compress("aab"));

 }
 @Test
 public void test_03() {

 assertEquals("ab",CompressString.compress("ab"));

 }
 @Test
 public void test_04() {

 assertEquals("abc",CompressString.compress("abc"));

 }
 @Test
 public void test_05() {

 assertEquals("abc2",CompressString.compress("abcc"));

 }

 }
Original file line number	Diff line number	Diff line change
Expand Up		@@ -22,7 +22,7 @@ public class CompressString {
		* @param str the input string consisting on only alphabets
		* @return the compressed string
		*/
		private static String compress(String str) {
		public static String compress(String str) {
		// some basic validation
		if (str.length() == 0) {
		throw new IllegalArgumentException("Empty String");
Expand Down
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,43 @@
		package tests;
		import static org.junit.jupiter.api.Assertions.*;

		import org.junit.jupiter.api.Test;

		public class MyClass {


		@Test
		public void test_01() {

		//assertThrows()
		assertThrows(IllegalArgumentException.class,() ->{
		CompressString.compress("");

		});
		}
		@Test
		public void test_02() {

		assertEquals("a2b",CompressString.compress("aab"));

		}
		@Test
		public void test_03() {

		assertEquals("ab",CompressString.compress("ab"));

		}
		@Test
		public void test_04() {

		assertEquals("abc",CompressString.compress("abc"));

		}
		@Test
		public void test_05() {

		assertEquals("abc2",CompressString.compress("abcc"));

		}

		}