wibble 0.1.28
exception.test.h
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00001 /* -*- C++ -*-
00002  * Generic base exception hierarchy
00003  * 
00004  * Copyright (C) 2003,2004,2005,2006  Enrico Zini <enrico@debian.org>
00005  *
00006  * This library is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Lesser General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2.1 of the License, or (at your option) any later version.
00010  *
00011  * This library is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Lesser General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Lesser General Public
00017  * License along with this library; if not, write to the Free Software
00018  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
00019  */
00020 
00021 #include <wibble/test.h>
00022 #include <wibble/exception.h>
00023 #include <errno.h>
00024 
00025 using namespace std;
00026 namespace wex = wibble::exception;
00027 
00028 struct TestException {
00029     Test generic()
00030     {
00031         try {
00032             throw wex::Generic("antani");
00033         } catch ( std::exception& e ) {
00034             assert(string(e.what()).find("antani") != string::npos);
00035         }
00036         
00037         try {
00038             throw wex::Generic("antani");
00039         } catch ( wex::Generic& e ) {
00040             assert(e.fullInfo().find("antani") != string::npos);
00041         }
00042     }
00043 
00044     Test system() 
00045     {
00046         try {
00047             assert_eq(access("does-not-exist", F_OK), -1);
00048             throw wex::System("checking for existance of nonexisting file");
00049         } catch ( wibble::exception::System& e ) {
00050             // Check that we caught the right value of errno
00051             assert_eq(e.code(), ENOENT);
00052         }
00053         
00054         try {
00055             assert_eq(access("does-not-exist", F_OK), -1);
00056             throw wex::File("does-not-exist", "checking for existance of nonexisting file");
00057         } catch ( wex::File& e ) {
00058             // Check that we caught the right value of errno
00059             assert_eq(e.code(), ENOENT);
00060             assert(e.fullInfo().find("does-not-exist") != string::npos);
00061         }
00062     }
00063 
00064     Test badCast()
00065     {
00066         int check = -1;
00067         try {
00068             check = 0;
00069             throw wex::BadCastExt< int, const char * >( "test" );
00070             check = 1;
00071         } catch ( wex::BadCast& e ) {
00072             assert_eq( e.fullInfo(),
00073                        "bad cast: from i to PKc. Context:\n    test" );
00074             check = 2;
00075         }
00076         assert_eq( check, 2 );
00077     }
00078 
00079     Test addContext() {
00080         wex::AddContext ctx( "toplevel context" );
00081         int check = -1;
00082         try {
00083             wex::AddContext ctx( "first context" );
00084             check = 0;
00085             {
00086                 wex::AddContext ctx( "second context" );
00087                 throw wex::Generic( "foobar" );
00088             }
00089         } catch( wex::Generic &e ) {
00090             assert_eq( e.formatContext(), "toplevel context, \n    "
00091                        "first context, \n    "
00092                        "second context, \n    "
00093                        "foobar" );
00094             check = 2;
00095         }
00096         assert_eq( check, 2 );
00097     }
00098 };
00099 
00100 // vim:set ts=4 sw=4: