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annotate packages/io/wallclock/current/tests/wallclock2.cxx @ 823:19a153ac403c default tip

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* Added execute permissions to files missed in conversion from CVS
author alexs
date Thu, 08 May 2003 17:42:17 +0000
parents d2c90368aeef
children
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1 //==========================================================================
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2 //
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3 // wallclock2.cxx
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4 //
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5 // WallClock battery backed up test
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6 //
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7 //==========================================================================
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8 //####ECOSGPLCOPYRIGHTBEGIN####
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9 // -------------------------------------------
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10 // This file is part of eCos, the Embedded Configurable Operating System.
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11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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12 //
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13 // eCos is free software; you can redistribute it and/or modify it under
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14 // the terms of the GNU General Public License as published by the Free
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15 // Software Foundation; either version 2 or (at your option) any later version.
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16 //
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17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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20 // for more details.
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21 //
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22 // You should have received a copy of the GNU General Public License along
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23 // with eCos; if not, write to the Free Software Foundation, Inc.,
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24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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25 //
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26 // As a special exception, if other files instantiate templates or use macros
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27 // or inline functions from this file, or you compile this file and link it
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28 // with other works to produce a work based on this file, this file does not
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29 // by itself cause the resulting work to be covered by the GNU General Public
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30 // License. However the source code for this file must still be made available
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31 // in accordance with section (3) of the GNU General Public License.
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32 //
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33 // This exception does not invalidate any other reasons why a work based on
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34 // this file might be covered by the GNU General Public License.
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35 //
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36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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37 // at http://sources.redhat.com/ecos/ecos-license/
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38 // -------------------------------------------
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39 //####ECOSGPLCOPYRIGHTEND####
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40 //==========================================================================
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41 //#####DESCRIPTIONBEGIN####
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42 //
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43 // Author(s): jskov
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44 // Contributors: jskov
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45 // Date: 2000-03-29
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46 // Description: Tests the WallClock device.
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47 // Prints wallclock setting (for human verification that time
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48 // matches the expected value). Then tries to set/restore
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49 // clock value, and verifies that the WallClock epoch matches
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50 // that of the libc.
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51 //####DESCRIPTIONEND####
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52 // -------------------------------------------------------------------------
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53
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54 #include <pkgconf/system.h>
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55 #include <cyg/infra/testcase.h>
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56 #include <cyg/infra/diag.h>
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57 #ifdef CYGPKG_LIBC_TIME
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58 #include <pkgconf/libc_time.h>
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59 #endif
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60 #ifdef CYGPKG_LIBC_STARTUP
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61 #include <pkgconf/libc_startup.h>
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62 #endif
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63
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64 #if !defined(CYGSEM_LIBC_TIME_CLOCK_WORKING)
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65 # define NA_MSG "Requires libc time functions"
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66 #elif !defined(CYGPKG_LIBC_STARTUP)
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67 # define NA_MSG "Requires libc startup package"
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68 #endif
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69
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70 #ifndef NA_MSG
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71 #include <time.h>
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72 #include <string.h> // strcmp
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73 #include <cyg/io/wallclock.hxx> // The WallClock API
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74
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75 // -------------------------------------------------------------------------
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76
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77
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78 externC int
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79 main (void )
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80 {
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81 time_t now, test, test2;
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82
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83 CYG_TEST_INIT();
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84
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85 // make this predictable - independent of the user option
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86 cyg_libc_time_setzoneoffsets(0, 3600);
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87 cyg_libc_time_setdst( CYG_LIBC_TIME_DSTOFF );
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88
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89 // Print out current setting so a human can verify that clock state
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90 // was valid.
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91 now = (time_t) Cyg_WallClock::wallclock->get_current_time();
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92 diag_printf("WallClock is set to: %s", ctime(&now));
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93
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94 // Check that set/get works
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95 Cyg_WallClock::wallclock->set_current_time( 0 );
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96 test = (time_t) Cyg_WallClock::wallclock->get_current_time();
94
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97 // 2000.03.01 00:00:00 UTC
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98 Cyg_WallClock::wallclock->set_current_time( 951868800 );
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99 test2 = (time_t) Cyg_WallClock::wallclock->get_current_time();
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100 // Should test 2100 and 2400 leap year calculations as well, but
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101 // these would overflow with today's time_t.
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102 Cyg_WallClock::wallclock->set_current_time( now );
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103 CYG_TEST_PASS_FAIL(2 >= test, // each operation can take one second
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104 "Can set WallClock to epoch");
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105 CYG_TEST_PASS_FAIL(951868800+2 > test2 &&
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106 951868800 <= test2,
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107 "WallClock date conversion Y2K safe");
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108
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109 // Test that the wallclock and libc use same epoch.
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110 test = (time_t) 0;
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111 CYG_TEST_PASS_FAIL(!strcmp(ctime(&test), "Thu Jan 01 00:00:00 1970\n"),
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112 "WallClock epoch matches libc epoch");
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113
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114 CYG_TEST_FINISH("Finished wallclock battery test");
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115 }
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116
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117 #else
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118
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119 externC void
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120 cyg_start( void )
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121 {
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122 CYG_TEST_INIT();
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123 CYG_TEST_PASS_FINISH(NA_MSG);
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124 }
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125
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126 #endif // NA_MSG
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127
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128 // -------------------------------------------------------------------------
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129 // EOF wallclock2.cxx