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Diffstat (limited to 'test/timer.c')
| -rw-r--r-- | test/timer.c | 402 |
1 files changed, 402 insertions, 0 deletions
diff --git a/test/timer.c b/test/timer.c new file mode 100644 index 0000000..11b7427 --- /dev/null +++ b/test/timer.c @@ -0,0 +1,402 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * Copyright by the Board of Trustees of the University of Illinois. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the files COPYING and Copyright.html. COPYING can be found at the root * + * of the source code distribution tree; Copyright.html can be found at the * + * root level of an installed copy of the electronic HDF5 document set and * + * is linked from the top-level documents page. It can also be found at * + * http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have * + * access to either file, you may request a copy from help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/* + * Programmer: Dana Robinson + * May, 2011 + * + * Purpose: Tests the operation of the platform-independent timers. + */ + +#include "h5test.h" + +/*------------------------------------------------------------------------- + * Function: test_time_formatting + * + * Purpose: Tests time string creation. + * + * Return: Success: 0 + * Failure: -1 + * + * Programmer: Dana Robinson + * May 2011 + * + *------------------------------------------------------------------------- + */ +static herr_t +test_time_formatting(void) +{ + char *s = NULL; + + TESTING("Time string formats"); + + /* < 0, N/A */ + s = H5_timer_get_time_string(-1.0); + if (NULL == s || HDstrcmp(s, "N/A") != 0) + TEST_ERROR; + HDfree(s); + + /* 0 0 */ + s = H5_timer_get_time_string(0.0); + if (NULL == s || HDstrcmp(s, "0.0 s") != 0) + TEST_ERROR; + HDfree(s); + + /* < 1 us nanoseconds */ + s = H5_timer_get_time_string(123.0E-9); + if (NULL == s || HDstrcmp(s, "123 ns") != 0) + TEST_ERROR; + HDfree(s); + + /* < 1 ms microseconds */ + s = H5_timer_get_time_string(23.456E-6); + if (NULL == s || HDstrcmp(s, "23.5 us") != 0) + TEST_ERROR; + HDfree(s); + + /* < 1 s milliseconds */ + s = H5_timer_get_time_string(4.56789E-3); + if (NULL == s || HDstrcmp(s, "4.6 ms") != 0) + TEST_ERROR; + HDfree(s); + + /* < 1 min seconds */ + s = H5_timer_get_time_string(3.14); + if (NULL == s || HDstrcmp(s, "3.14 s") != 0) + TEST_ERROR; + HDfree(s); + + /* < 1 hr mins, secs */ + s = H5_timer_get_time_string(2521.0); + if (NULL == s || HDstrcmp(s, "42 m 1 s") != 0) + TEST_ERROR; + HDfree(s); + + /* < 1 d hrs, mins, secs */ + s = H5_timer_get_time_string(9756.0); + if (NULL == s || HDstrcmp(s, "2 h 42 m 36 s") != 0) + TEST_ERROR; + HDfree(s); + + /* > 1 d days, hrs, mins, secs */ + s = H5_timer_get_time_string(280802.0); + if (NULL == s || HDstrcmp(s, "3 d 6 h 0 m 2 s") != 0) + TEST_ERROR; + HDfree(s); + + PASSED(); + return 0; + +error: + if (s) + HDfree(s); + return -1; +} + +/*------------------------------------------------------------------------- + * Function: test_timer_system_user + * + * Purpose: Tests the ability to get system and user times from the + * timers. + * Some platforms may require special code to get system and + * user times. If we do not support that particular platform + * dependent functionality, this test is skipped. + * + * Return: Success: 0 + * Failure: -1 + * + * Programmer: Dana Robinson + * May 2011 + * + *------------------------------------------------------------------------- + */ +static herr_t +test_timer_system_user(void) +{ + int i; + char * buf = NULL; + H5_timer_t timer; + H5_timevals_t times; + herr_t err; + + TESTING("system/user times"); + + err = H5_timer_init(&timer); + if (err < 0) + TEST_ERROR; + + err = H5_timer_start(&timer); + if (err < 0) + TEST_ERROR; + + /* The system and user times may not be present on some systems. They + * will be -1.0 if they are not. + */ + if (timer.initial.system < 0.0 || timer.initial.user < 0.0) { + SKIPPED(); + HDprintf("NOTE: No suitable way to get system/user times on this platform.\n"); + return 0; + } + + /* Do some fake work */ + for (i = 0; i < 1024; i++) { + buf = (char *)HDmalloc(1024 * (size_t)i); + HDfree(buf); + } + + err = H5_timer_stop(&timer); + if (err < 0) + TEST_ERROR; + + err = H5_timer_get_times(timer, ×); + if (err < 0) + TEST_ERROR; + + /* System and user times should be non-negative. */ + if (times.system < 0.0 || times.user < 0.0) + TEST_ERROR; + + PASSED(); + return 0; + +error: + return -1; +} + +/*------------------------------------------------------------------------- + * Function: test_timer_elapsed + * + * Purpose: Tests the ability to get elapsed times from the timers. + * We should always be able to get an elapsed time, + * regardless of the time libraries or platform. + * + * Return: Success: 0 + * Failure: -1 + * + * Programmer: Dana Robinson + * May 2011 + * + *------------------------------------------------------------------------- + */ +static herr_t +test_timer_elapsed(void) +{ + int i; + char * buf = NULL; + H5_timer_t timer; + H5_timevals_t times; + herr_t err; + + TESTING("elapsed times"); + + err = H5_timer_init(&timer); + if (err < 0) + TEST_ERROR; + + err = H5_timer_start(&timer); + if (err < 0) + TEST_ERROR; + + /* Do some fake work */ + for (i = 0; i < 1024; i++) { + buf = (char *)HDmalloc(1024 * (size_t)i); + HDfree(buf); + } + + err = H5_timer_stop(&timer); + if (err < 0) + TEST_ERROR; + + err = H5_timer_get_times(timer, ×); + if (err < 0) + TEST_ERROR; + + /* Elapsed time should be non-negative. */ + if (times.elapsed < 0.0) + TEST_ERROR; + + PASSED(); + return 0; + +error: + return -1; +} + +static herr_t +test_timer_functionality(void) +{ + int i; + char * buf = NULL; + H5_timer_t timer; + + H5_timevals_t times; + double prev_etime; + double prev_total_etime; + + herr_t err; + + TESTING("timer functionality"); + + /***************** + * CHECK STARTUP * + *****************/ + + /* Timer should be running after start */ + err = H5_timer_init(&timer); + if (err < 0 || timer.is_running) + TEST_ERROR; + + /* Times should be initialized to zero */ + err = H5_timer_get_times(timer, ×); + if (err < 0 || !H5_DBL_ABS_EQUAL(times.elapsed, 0.0)) + TEST_ERROR; + + err = H5_timer_get_total_times(timer, ×); + if (err < 0 || !H5_DBL_ABS_EQUAL(times.elapsed, 0.0)) + TEST_ERROR; + + /******************** + * CHECK START/STOP * + ********************/ + + /* Running state should change after start */ + err = H5_timer_start(&timer); + if (err < 0 || !timer.is_running) + TEST_ERROR; + + /* Do some fake work */ + for (i = 0; i < 1024; i++) { + buf = (char *)HDmalloc(1024 * (size_t)i); + HDfree(buf); + } + + /* Running state should change after stop */ + err = H5_timer_stop(&timer); + if (err < 0 || timer.is_running) + TEST_ERROR; + + /* Times should be positive and non-negative */ + err = H5_timer_get_times(timer, ×); + if (err < 0 || times.elapsed < 0.0) + TEST_ERROR; + + err = H5_timer_get_total_times(timer, ×); + if (err < 0 || times.elapsed < 0.0) + TEST_ERROR; + + /********************** + * CHECK INTERRUPTING * + **********************/ + + /* Timer should change stat and refresh to 0s */ + err = H5_timer_init(&timer); + if (err < 0 || timer.is_running) + TEST_ERROR; + + err = H5_timer_get_times(timer, ×); + if (err < 0 || !H5_DBL_ABS_EQUAL(times.elapsed, 0.0)) + TEST_ERROR; + + err = H5_timer_get_total_times(timer, ×); + if (err < 0 || !H5_DBL_ABS_EQUAL(times.elapsed, 0.0)) + TEST_ERROR; + + /* Timer state should flip */ + err = H5_timer_start(&timer); + if (err < 0 || !timer.is_running) + TEST_ERROR; + + /* Do some fake work */ + for (i = 0; i < 1024; i++) { + buf = (char *)HDmalloc(1024 * (size_t)i); + HDfree(buf); + } + + /* Times should be non-negative */ + err = H5_timer_get_times(timer, ×); + if (err < 0 || times.elapsed < 0.0) + TEST_ERROR; + prev_etime = times.elapsed; + + err = H5_timer_get_total_times(timer, ×); + if (err < 0 || times.elapsed < 0.0) + TEST_ERROR; + prev_total_etime = times.elapsed; + + /* Do some fake work */ + for (i = 0; i < 1024; i++) { + buf = (char *)HDmalloc(1024 * (size_t)i); + HDfree(buf); + } + + /* State should flip on stop */ + err = H5_timer_stop(&timer); + if (err < 0 || timer.is_running) + TEST_ERROR; + + /* Times should be >= than the cached intermediate times */ + err = H5_timer_get_times(timer, ×); + if (err < 0 || times.elapsed < prev_etime) + TEST_ERROR; + + err = H5_timer_get_total_times(timer, ×); + if (err < 0 || times.elapsed < prev_total_etime) + TEST_ERROR; + + PASSED(); + return 0; + +error: + return -1; +} + +/*------------------------------------------------------------------------- + * Function: main + * + * Purpose: Tests the basic functionality of the platform-independent + * timers + * + * Return: Success: 0 + * Failure: 1 + * + * Programmer: Dana Robinson + * May, 2011 + * + *------------------------------------------------------------------------- + */ +int +main(void) +{ + int nerrors = 0; + + h5_reset(); + + HDprintf("Testing platform-independent timer functionality.\n"); + + nerrors += test_time_formatting() < 0 ? 1 : 0; + nerrors += test_timer_system_user() < 0 ? 1 : 0; + nerrors += test_timer_elapsed() < 0 ? 1 : 0; + nerrors += test_timer_functionality() < 0 ? 1 : 0; + + if (nerrors) { + HDprintf("***** %d platform-independent timer TEST%s FAILED! *****\n", nerrors, + nerrors > 1 ? "S" : ""); + return 1; + } + else { + HDprintf("All platform-independent timer tests passed.\n"); + return 0; + } +} |