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5
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1 /*
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2 * SpanDSP - a series of DSP components for telephony
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3 *
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4 * schedule_tests.c
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5 *
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6 * Written by Steve Underwood <steveu@coppice.org>
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7 *
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8 * Copyright (C) 2004 Steve Underwood
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9 *
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10 * All rights reserved.
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11 *
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12 * This program is free software; you can redistribute it and/or modify
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13 * it under the terms of the GNU General Public License version 2, as
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14 * published by the Free Software Foundation.
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15 *
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16 * This program is distributed in the hope that it will be useful,
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17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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19 * GNU General Public License for more details.
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20 *
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21 * You should have received a copy of the GNU General Public License
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22 * along with this program; if not, write to the Free Software
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23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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24 *
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25 * $Id: schedule_tests.c,v 1.13 2006/11/19 14:07:27 steveu Exp $
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26 */
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27
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28 /*! \page schedule_tests_page Event scheduler tests
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29 \section schedule_tests_page_sec_1 What does it do?
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30 ???.
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31
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32 \section schedule_tests_page_sec_2 How does it work?
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33 ???.
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34 */
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35
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36 #ifdef HAVE_CONFIG_H
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37 #include "config.h"
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38 #endif
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39
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40 #include <stdio.h>
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41 #include <inttypes.h>
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42 #include <stdlib.h>
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43 #include <string.h>
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44 #if defined(HAVE_TGMATH_H)
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45 #include <tgmath.h>
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46 #endif
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47 #if defined(HAVE_MATH_H)
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48 #include <math.h>
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49 #endif
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50 #include <tiffio.h>
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51
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52 #include "spandsp.h"
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53
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54 uint64_t when1;
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55 uint64_t when2;
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56
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57 static void callback1(span_sched_state_t *s, void *user_data)
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58 {
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59 int id;
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60 uint64_t when;
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61
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62 when = span_schedule_time(s);
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63 printf("1: Callback at %f %" PRId64 "\n", (float) when/8000.0, when - when1);
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64 if ((when - when1))
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65 {
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66 printf("Callback occured at the wrong time.\n");
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67 exit(2);
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68 }
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69 id = span_schedule_event(s, 500, callback1, NULL);
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70 when1 = when + 500*8;
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71 when = span_schedule_next(s);
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72 printf("1: Event %d, earliest is %" PRId64 "\n", id, when);
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73 }
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74
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75 static void callback2(span_sched_state_t *s, void *user_data)
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76 {
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77 int id;
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78 uint64_t when;
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79
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80 when = span_schedule_time(s);
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81 printf("2: Callback at %f %" PRId64 "\n", (float) when/8000.0, when - when2);
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82 id = span_schedule_event(s, 550, callback2, NULL);
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83 if ((when - when2) != 80)
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84 {
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85 printf("Callback occured at the wrong time.\n");
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86 exit(2);
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87 }
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88 when2 = when + 550*8;
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89 when = span_schedule_next(s);
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90 printf("2: Event %d, earliest is %" PRId64 "\n", id, when);
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91 }
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92
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93 int main(int argc, char *argv[])
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94 {
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95 int i;
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96 int id1;
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97 int id2;
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98 span_sched_state_t sched;
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99 uint64_t when;
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100
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101 span_schedule_init(&sched);
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102
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103 id1 = span_schedule_event(&sched, 500, callback1, NULL);
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104 id2 = span_schedule_event(&sched, 550, callback2, NULL);
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105 when1 = span_schedule_time(&sched) + 500*8;
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106 when2 = span_schedule_time(&sched) + 550*8;
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107 //span_schedule_del(&sched, id);
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108
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109 for (i = 0; i < SAMPLE_RATE*100; i += 160)
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110 {
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111 span_schedule_update(&sched, 160);
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112 }
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113 when = span_schedule_time(&sched);
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114 if ((when1 - when) < 0 || (when1 - when) > 4000 || (when2 - when) < 0 || (when2 - when) > 4400)
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115 {
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116 printf("Callback failed to occur.\n");
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117 exit(2);
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118 }
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119 span_schedule_release(&sched);
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120
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121 printf("Tests passed.\n");
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122 return 0;
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123 }
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124 /*- End of function --------------------------------------------------------*/
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125 /*- End of file ------------------------------------------------------------*/
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