BAEL-3143 - made the required changes

core-java-modules/core-java-io-2/src/test/java/com/baeldung/scanner/JavaScannerUnitTest.java

@@ -1,54 +1,34 @@
 package com.baeldung.scanner;
 
-import org.junit.Test;
+import static org.junit.Assert.assertEquals;
 
-import java.io.ByteArrayInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.nio.charset.StandardCharsets;
 import java.util.NoSuchElementException;
 import java.util.Scanner;
 
-import static org.assertj.core.api.Assertions.fail;
-import static org.junit.Assert.assertEquals;
+import org.junit.Test;
 
 public class JavaScannerUnitTest {
 
     @Test
     public void whenReadingLines_thenCorrect() {
         String input = "Scanner\nTest\n";
-
-        byte[] byteArray = input.getBytes(StandardCharsets.UTF_8);
-        //@formatter:off
-        try (InputStream is = new ByteArrayInputStream(byteArray);
-             Scanner scanner = new Scanner(is)) {
-
-            //@formatter:on
-            String result = scanner.nextLine() + " " + scanner.nextLine();
-
-            String expected = input.replace("\n", " ")
-                    .trim();
-            assertEquals(expected, result);
-        } catch (IOException e) {
-            fail(e.getMessage());
+        try (Scanner scanner = new Scanner(input)) {
+            assertEquals("Scanner", scanner.nextLine());
+            assertEquals("Test", scanner.nextLine());
         }
     }
 
     @Test(expected = NoSuchElementException.class)
-    public void whenReadingLinesFromStringContainingNoLines_thenThrowNoSuchElementException() {
-        String input = "";
-        Scanner scanner = new Scanner(input);
-        String result = scanner.nextLine();
-        scanner.close();
+    public void whenReadingLines_thenThrowNoSuchElementException() {
+        try (Scanner scanner = new Scanner("")) {
+            String result = scanner.nextLine();
+        }
     }
 
     @Test(expected = IllegalStateException.class)
-    public void whenReadingLinesUsingClosedScanner_thenThrowIllegalStateException() {
-        String input = "";
-        Scanner scanner = new Scanner(input);
+    public void whenReadingLines_thenThrowIllegalStateException() {
+        Scanner scanner = new Scanner("");
         scanner.close();
         String result = scanner.nextLine();
     }
-
-
 }