@Test
public void dropNonExistingSchemaWithIfExists() throws Exception
{

    String sql = "DROP SCHEMA IF EXISTS AA";
    AkibanInformationSchema ais = new AkibanInformationSchema();
    
    StatementNode node = parser.parseStatement(sql);
    assertTrue(node instanceof DropSchemaNode);
    
    DDLFunctions ddlFunctions = new TableDDLTest.DDLFunctionsMock(ais);
    
    SchemaDDL.dropSchema(ddlFunctions, null, (DropSchemaNode)node, null);
}