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annotate packages/language/c/libc/time/current/tests/time.c @ 115:6ed91473a1cd ecos-sw-2000-08-21

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Merge from eCos master repository on 2000-08-21-22:40:54-BST
author jlarmour
date Fri, 25 Aug 2000 17:32:38 +0000
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children ac086aa3217e
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115
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1 //=================================================================
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2 //
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3 // time.c
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4 //
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5 // Testcase for C library time()
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6 //
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7 //=================================================================
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8 //####COPYRIGHTBEGIN####
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9 //
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10 // -------------------------------------------
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11 // The contents of this file are subject to the Red Hat eCos Public License
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12 // Version 1.1 (the "License"); you may not use this file except in
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13 // compliance with the License. You may obtain a copy of the License at
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14 // http://www.redhat.com/
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15 //
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16 // Software distributed under the License is distributed on an "AS IS"
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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18 // License for the specific language governing rights and limitations under
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19 // the License.
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20 //
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21 // The Original Code is eCos - Embedded Configurable Operating System,
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22 // released September 30, 1998.
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23 //
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24 // The Initial Developer of the Original Code is Red Hat.
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25 // Portions created by Red Hat are
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26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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27 // All Rights Reserved.
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28 // -------------------------------------------
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29 //
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30 //####COPYRIGHTEND####
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31 //=================================================================
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32 //#####DESCRIPTIONBEGIN####
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33 //
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34 // Author(s): jlarmour
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35 // Contributors: jlarmour
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36 // Date: 1999-03-05
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37 // Description: Contains testcode for C library time() function
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38 //
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39 //
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40 //####DESCRIPTIONEND####
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41
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42 // CONFIGURATION
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43
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44 #include <pkgconf/libc_time.h> // Configuration header
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45
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46 // INCLUDES
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47
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48 #include <time.h>
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49 #include <cyg/infra/testcase.h>
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50
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51 // CONSTANTS
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52
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53 // This defines how many loops before we decide that
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54 // time() doesn't work
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55 #define MAX_TIMEOUT 5000000
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56
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57
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58 // FUNCTIONS
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59
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60 int
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61 main(int argc, char *argv[])
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62 {
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63 time_t t1, t2;
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64 unsigned long ctr;
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65
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66 CYG_TEST_INIT();
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67
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68 CYG_TEST_INFO("Starting tests from testcase " __FILE__ " for C library "
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69 "time() function");
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70
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71 t1 = time(&t2);
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72
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73 CYG_TEST_PASS_FAIL(t1==t2, "time() return value == argument");
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74
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75 if (t1 == (time_t)-1) // unimplemented is just as valid
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76 {
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77 #ifndef CYGSEM_LIBC_TIME_TIME_WORKING
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78 CYG_TEST_PASS_FINISH( "time() returns -1, meaning unimplemented");
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79 #else
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80 CYG_TEST_FAIL("time() returned -1 unnecessarily");
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81 #endif
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82 } // if
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83
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84 // First wait for a clock tick
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85
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86 for (ctr = 0; ctr<MAX_TIMEOUT; ctr++) {
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87 if ((t2=time(NULL)) > t1)
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88 break; // Hit the next time pulse
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89 }
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90 CYG_TEST_PASS_FAIL( ctr< MAX_TIMEOUT, "time()'s state changes");
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91
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92 #ifdef CYGSEM_LIBC_TIME_SETTIME_WORKING
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93 CYG_TEST_PASS_FAIL(cyg_libc_time_settime(0)==0, "Set time to 0");
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94
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95 t1 = time(NULL);
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96
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97 // give it a small amount of tolerance
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98 CYG_TEST_PASS_FAIL(t1 < 3, "t1 remembered setting");
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99
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100 CYG_TEST_PASS_FAIL(cyg_libc_time_settime(1000)==0, "Set time to 1000");
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101
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102 // give it a small amount of tolerance
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103 CYG_TEST_PASS_FAIL(t1 < 1003, "t1 remembered setting");
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104
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105 #else // ! CYGSEM_LIBC_TIME_SETTIME_WORKING
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106 CYG_TEST_PASS_FAIL(cyg_libc_time_settime(0)!=0,
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107 "Set time expected fail");
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108 #endif // CYGSEM_LIBC_TIME_SETTIME_WORKING
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109
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110 CYG_TEST_FINISH("Finished tests from testcase " __FILE__ " for C library "
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111 "time() function");
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112 } // main()
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113
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114 // EOF time.c