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