From f414311e71a89eabc22d841116976311f9bce63b Mon Sep 17 00:00:00 2001
From: "gru-agent[bot]" <185149714+gru-agent[bot]@users.noreply.github.com>
Date: Wed, 12 Feb 2025 07:04:18 +0000
Subject: [PATCH] Add tests for the main method in DemoApplication to handle
 various argument scenarios.

---
 .../example/demo/DemoApplicationTests.java    | 33 +++++++++++++++++--
 1 file changed, 30 insertions(+), 3 deletions(-)

diff --git a/src/test/java/com/example/demo/DemoApplicationTests.java b/src/test/java/com/example/demo/DemoApplicationTests.java
index 2778a6a..931a2cf 100644
--- a/src/test/java/com/example/demo/DemoApplicationTests.java
+++ b/src/test/java/com/example/demo/DemoApplicationTests.java
@@ -2,12 +2,39 @@
 
 import org.junit.jupiter.api.Test;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.test.system.OutputCaptureExtension;
+import org.junit.jupiter.api.extension.ExtendWith;
 
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+@ExtendWith(OutputCaptureExtension.class)
 @SpringBootTest
 class DemoApplicationTests {
 
-	@Test
-	void contextLoads() {
-	}
+    @Test
+    void contextLoads() {
+    }
+
+    @Test
+    void testMainMethod() {
+        String[] args = new String[]{"arg1", "arg2"};
+        DemoApplication.main(args);
+    }
+
+    @Test
+    void testMainMethodWithEmptyArgs() {
+        // To avoid port conflicts, set a random port for this test
+        System.setProperty("server.port", "0");
+        String[] args = new String[]{};
+        DemoApplication.main(args);
+    }
 
+    @Test
+    void testMainMethodWithNullArgs() {
+        // Ensure that passing null arguments throws the expected exception
+        assertThrows(IllegalArgumentException.class, () -> {
+            DemoApplication.main(null);
+        });
+    }
 }