diff -r aff44e80f418 -r 46bb283a674d java/sql-java-prihlasovani/test/cz/frantovo/jaas/sql/SQLLoginModulTest.java
--- a/java/sql-java-prihlasovani/test/cz/frantovo/jaas/sql/SQLLoginModulTest.java	Tue Feb 07 00:27:39 2012 +0100
+++ b/java/sql-java-prihlasovani/test/cz/frantovo/jaas/sql/SQLLoginModulTest.java	Tue Feb 07 18:03:31 2012 +0100
@@ -1,5 +1,6 @@
 package cz.frantovo.jaas.sql;
 
+import javax.security.auth.login.LoginException;
 import org.junit.Test;
 import static org.junit.Assert.*;
 
@@ -9,4 +10,15 @@
  */
 public class SQLLoginModulTest {
 
+	@Test(expected = LoginException.class)
+	public void testŠpatnýRealm() throws LoginException {
+		try {
+			SQLLoginModul m = new SQLLoginModul();
+			m.authenticateUser();
+		} catch (LoginException e) {
+			System.out.println("testŠpatnýRealm: " + e.getMessage());
+			assertTrue(e.getMessage().startsWith("Špatný realm"));
+			throw e;
+		}
+	}
 }