@@ -0,0 +1,433 @@
+package org.apache.cassandra.config;%0Aimport static org.testng.Assert.assertNotNull;%0Aimport org.testng.annotations.BeforeMethod;%0Aimport org.testng.annotations.Test;%0A%0Apublic class DatabaseDescriptorTest%0A%7B%0A    @Test%0A    public void testShouldHaveConfigFileNameAvailable()%0A    %7B%0A        assertNotNull(DatabaseDescriptor.getConfigFileName(), %22DatabaseDescriptor should always be able to return the file name of the config file%22);%0A    %7D%0A%7D%0A

add test for null configFileName_. patch by Jeff Hodges; reviewed by jbellis for CASSANDRA-129