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//==========================================================================
//
// wallclock2.cxx
//
// WallClock battery backed up test
//
//==========================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
//
// eCos is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 2 or (at your option) any later
// version.
//
// eCos is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License
// along with eCos; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// As a special exception, if other files instantiate templates or use
// macros or inline functions from this file, or you compile this file
// and link it with other works to produce a work based on this file,
// this file does not by itself cause the resulting work to be covered by
// the GNU General Public License. However the source code for this file
// must still be made available in accordance with section (3) of the GNU
// General Public License v2.
//
// This exception does not invalidate any other reasons why a work based
// on this file might be covered by the GNU General Public License.
// -------------------------------------------
// ####ECOSGPLCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s): jskov
// Contributors: jskov
// Date: 2000-03-29
// Description: Tests the WallClock device.
// Prints wallclock setting (for human verification that time
// matches the expected value). Then tries to set/restore
// clock value, and verifies that the WallClock epoch matches
// that of the libc.
//####DESCRIPTIONEND####
// -------------------------------------------------------------------------
#include <pkgconf/system.h>
#include <cyg/infra/testcase.h>
#include <cyg/infra/diag.h>
#ifdef CYGPKG_LIBC_TIME
#include <pkgconf/libc_time.h>
#endif
#ifdef CYGPKG_LIBC_STARTUP
#include <pkgconf/libc_startup.h>
#endif
#if !defined(CYGSEM_LIBC_TIME_CLOCK_WORKING)
# define NA_MSG "Requires libc time functions"
#elif !defined(CYGPKG_LIBC_STARTUP)
# define NA_MSG "Requires libc startup package"
#endif
#ifndef NA_MSG
#include <time.h>
#include <string.h> // strcmp
#include <cyg/io/wallclock.hxx> // The WallClock API
// -------------------------------------------------------------------------
externC int
main (void )
{
time_t now, test, test2;
CYG_TEST_INIT();
// make this predictable - independent of the user option
cyg_libc_time_setzoneoffsets(0, 3600);
cyg_libc_time_setdst( CYG_LIBC_TIME_DSTOFF );
// Print out current setting so a human can verify that clock state
// was valid.
now = (time_t) Cyg_WallClock::wallclock->get_current_time();
diag_printf("WallClock is set to: %s", ctime(&now));
// Check that set/get works
Cyg_WallClock::wallclock->set_current_time( 0 );
test = (time_t) Cyg_WallClock::wallclock->get_current_time();
// 2000.03.01 00:00:00 UTC
Cyg_WallClock::wallclock->set_current_time( 951868800 );
test2 = (time_t) Cyg_WallClock::wallclock->get_current_time();
// Should test 2100 and 2400 leap year calculations as well, but
// these would overflow with today's time_t.
Cyg_WallClock::wallclock->set_current_time( now );
CYG_TEST_PASS_FAIL(2 >= test, // each operation can take one second
"Can set WallClock to epoch");
CYG_TEST_PASS_FAIL(951868800+2 > test2 &&
951868800 <= test2,
"WallClock date conversion Y2K safe");
// Test that the wallclock and libc use same epoch.
test = (time_t) 0;
CYG_TEST_PASS_FAIL(!strcmp(ctime(&test), "Thu Jan 01 00:00:00 1970\n"),
"WallClock epoch matches libc epoch");
CYG_TEST_FINISH("Finished wallclock battery test");
}
#else
externC void
cyg_start( void )
{
CYG_TEST_INIT();
CYG_TEST_PASS_FINISH(NA_MSG);
}
#endif // NA_MSG
// -------------------------------------------------------------------------
// EOF wallclock2.cxx
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