test: printCourseInfo method in Course class

src/test/java/org/example/CourseTest.java

@@ -3,7 +3,42 @@ package org.example;
 import org.junit.jupiter.api.Test;
 
 import static org.junit.jupiter.api.Assertions.*;
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+import static org.junit.Assert.assertEquals;
 
 class CourseTest {
-    
+
+    @Test
+    void printCourseInfo() {
+        // Create a new Course object
+        Course course = new Course("Introduction to Programming", "CS101", 3);
+
+        // Set up the expected output
+        String expectedCourseName = "Course Name: Introduction to Programming";
+        String expectedCourseCode = "Course Code: CS101";
+        String expectedCourseCredits = "Course Credits: 3";
+
+        // Redirect System.out to capture printed output
+        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+        PrintStream originalOut = System.out;
+        System.setOut(new PrintStream(outputStream));
+
+        // Call the method to be tested
+        course.printCourseInfo();
+
+        // Reset System.out
+        System.setOut(originalOut);
+
+        // Get the printed output
+        String printedOutput = outputStream.toString().trim(); // trim to remove trailing newline
+
+        // Split the printed output into lines
+        String[] outputLines = printedOutput.split("\\r?\\n");
+
+        // Assert that each line matches the expected output
+        assertEquals(expectedCourseName, outputLines[0].trim());
+        assertEquals(expectedCourseCode, outputLines[1].trim());
+        assertEquals(expectedCourseCredits, outputLines[2].trim());
+    }
 }