1 /* $NetBSD: bug-2803.c,v 1.3 2024/08/18 20:47:26 christos Exp $ */ 2 3 #include <config.h> 4 5 #include <stdio.h> 6 #include <sys/time.h> 7 8 #include <ntp_fp.h> 9 #include <timevalops.h> 10 11 #include "unity.h" 12 13 /* microseconds per second */ 14 #define MICROSECONDS 1000000 15 16 int simpleTest(void); 17 void setUp(void); 18 void tearDown(void); 19 void test_main(void); 20 21 static int verbose = 1; // if not 0, also print results if test passed 22 static int exit_on_err = 0; // if not 0, exit if test failed 23 24 25 /* 26 * Test function calling the old and new code mentioned in 27 * http://bugs.ntp.org/show_bug.cgi?id=2803#c22 28 */ 29 static int do_test( struct timeval timetv, struct timeval tvlast ) 30 { 31 struct timeval tvdiff_old; 32 struct timeval tvdiff_new; 33 34 int cond_old; 35 int cond_new; 36 int failed; 37 38 cond_old = 0; 39 cond_new = 0; 40 41 // Here is the old code: 42 tvdiff_old = abs_tval(sub_tval(timetv, tvlast)); 43 if (tvdiff_old.tv_sec > 0) { 44 cond_old = 1; 45 } 46 47 // Here is the new code: 48 tvdiff_new = sub_tval(timetv, tvlast); 49 if (tvdiff_new.tv_sec != 0) { 50 cond_new = 1; 51 } 52 53 failed = cond_new != cond_old; 54 55 if ( failed || verbose ) 56 printf( "timetv %lli|%07li, tvlast %lli|%07li: tvdiff_old: %lli|%07li -> %i, tvdiff_new: %lli|%07li -> %i, same cond: %s\n", 57 (long long) timetv.tv_sec, (u_long)timetv.tv_usec, 58 (long long) tvlast.tv_sec, (u_long)tvlast.tv_usec, 59 (long long) tvdiff_old.tv_sec, (u_long)tvdiff_old.tv_usec, cond_old, 60 (long long) tvdiff_new.tv_sec, (u_long)tvdiff_new.tv_usec, cond_new, 61 failed ? "NO <<" : "yes" ); 62 63 return failed ? -1 : 0; 64 } 65 66 67 68 /* 69 * Call the test function in a loop for a given set of parameters. 70 * Both timetv and tvlast iterate over the given range, in all combinations. 71 */ 72 static 73 int test_loop( long long start_sec, long start_usec, 74 long long stop_sec, long stop_usec, 75 long long step_sec, long step_usec ) 76 { 77 struct timeval timetv; 78 struct timeval tvlast; 79 80 for ( timetv.tv_sec = start_sec; timetv.tv_sec <= stop_sec; timetv.tv_sec += step_sec ) 81 for ( timetv.tv_usec = start_usec; timetv.tv_usec <= stop_usec; timetv.tv_usec += step_usec ) 82 for ( tvlast.tv_sec = start_sec; tvlast.tv_sec <= stop_sec; tvlast.tv_sec += step_sec ) 83 for ( tvlast.tv_usec = start_usec; tvlast.tv_usec <= stop_usec; tvlast.tv_usec += step_usec ) 84 { 85 int rc = do_test( timetv, tvlast ); 86 if (rc < 0 && exit_on_err ) 87 return rc; 88 } 89 90 return 0; 91 } 92 93 94 95 int simpleTest( void ) 96 { 97 int x; 98 // loop from {0.0} to {1.1000000} stepping by tv_sec by 1 and tv_usec by 100000 99 x = test_loop( 0, 0, 1, MICROSECONDS, 1, MICROSECONDS / 10 ); 100 101 // x = test_loop( 0, 0, 5, MICROSECONDS, 1, MICROSECONDS / 1000 ); 102 // x = test_loop( 0, 0, -5, -MICROSECONDS, -1, -MICROSECONDS / 1000 ); 103 104 return x; 105 } 106 107 108 109 110 111 void setUp(void) 112 { 113 114 } 115 116 void tearDown(void) 117 { 118 } 119 120 121 void test_main( void ) 122 { 123 TEST_ASSERT_EQUAL(0, simpleTest()); 124 } 125