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Diffstat (limited to 'src/unit_test.c')
| -rwxr-xr-x | src/unit_test.c | 799 |
1 files changed, 799 insertions, 0 deletions
diff --git a/src/unit_test.c b/src/unit_test.c new file mode 100755 index 000000000..47aa5396c --- /dev/null +++ b/src/unit_test.c @@ -0,0 +1,799 @@ +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/resource.h> + +#include "common.h" +#include "storage_number.h" +#include "rrd.h" +#include "log.h" +#include "web_buffer.h" + +int check_storage_number(calculated_number n, int debug) { + char buffer[100]; + uint32_t flags = SN_EXISTS; + + storage_number s = pack_storage_number(n, flags); + calculated_number d = unpack_storage_number(s); + + if(!does_storage_number_exist(s)) { + fprintf(stderr, "Exists flags missing for number " CALCULATED_NUMBER_FORMAT "!\n", n); + return 5; + } + + calculated_number ddiff = d - n; + calculated_number dcdiff = ddiff * 100.0 / n; + + if(dcdiff < 0) dcdiff = -dcdiff; + + size_t len = print_calculated_number(buffer, d); + calculated_number p = strtold(buffer, NULL); + calculated_number pdiff = n - p; + calculated_number pcdiff = pdiff * 100.0 / n; + if(pcdiff < 0) pcdiff = -pcdiff; + + if(debug) { + fprintf(stderr, + CALCULATED_NUMBER_FORMAT " original\n" + CALCULATED_NUMBER_FORMAT " packed and unpacked, (stored as 0x%08X, diff " CALCULATED_NUMBER_FORMAT ", " CALCULATED_NUMBER_FORMAT "%%)\n" + "%s printed after unpacked (%zu bytes)\n" + CALCULATED_NUMBER_FORMAT " re-parsed from printed (diff " CALCULATED_NUMBER_FORMAT ", " CALCULATED_NUMBER_FORMAT "%%)\n\n", + n, + d, s, ddiff, dcdiff, + buffer, + len, p, pdiff, pcdiff + ); + if(len != strlen(buffer)) fprintf(stderr, "ERROR: printed number %s is reported to have length %zu but it has %zu\n", buffer, len, strlen(buffer)); + if(dcdiff > ACCURACY_LOSS) fprintf(stderr, "WARNING: packing number " CALCULATED_NUMBER_FORMAT " has accuracy loss %0.7Lf %%\n", n, dcdiff); + if(pcdiff > ACCURACY_LOSS) fprintf(stderr, "WARNING: re-parsing the packed, unpacked and printed number " CALCULATED_NUMBER_FORMAT " has accuracy loss %0.7Lf %%\n", n, pcdiff); + } + + if(len != strlen(buffer)) return 1; + if(dcdiff > ACCURACY_LOSS) return 3; + if(pcdiff > ACCURACY_LOSS) return 4; + return 0; +} + +void benchmark_storage_number(int loop, int multiplier) { + int i, j; + calculated_number n, d; + storage_number s; + unsigned long long user, system, total, mine, their; + + char buffer[100]; + + struct rusage now, last; + + fprintf(stderr, "\n\nBenchmarking %d numbers, please wait...\n\n", loop); + + // ------------------------------------------------------------------------ + + fprintf(stderr, "SYSTEM LONG DOUBLE SIZE: %zu bytes\n", sizeof(calculated_number)); + fprintf(stderr, "NETDATA FLOATING POINT SIZE: %zu bytes\n", sizeof(storage_number)); + + mine = (calculated_number)sizeof(storage_number) * (calculated_number)loop; + their = (calculated_number)sizeof(calculated_number) * (calculated_number)loop; + + if(mine > their) { + fprintf(stderr, "\nNETDATA NEEDS %0.2Lf TIMES MORE MEMORY. Sorry!\n", (long double)(mine / their)); + } + else { + fprintf(stderr, "\nNETDATA INTERNAL FLOATING POINT ARITHMETICS NEEDS %0.2Lf TIMES LESS MEMORY.\n", (long double)(their / mine)); + } + + fprintf(stderr, "\nNETDATA FLOATING POINT\n"); + fprintf(stderr, "MIN POSITIVE VALUE " CALCULATED_NUMBER_FORMAT "\n", (calculated_number)STORAGE_NUMBER_POSITIVE_MIN); + fprintf(stderr, "MAX POSITIVE VALUE " CALCULATED_NUMBER_FORMAT "\n", (calculated_number)STORAGE_NUMBER_POSITIVE_MAX); + fprintf(stderr, "MIN NEGATIVE VALUE " CALCULATED_NUMBER_FORMAT "\n", (calculated_number)STORAGE_NUMBER_NEGATIVE_MIN); + fprintf(stderr, "MAX NEGATIVE VALUE " CALCULATED_NUMBER_FORMAT "\n", (calculated_number)STORAGE_NUMBER_NEGATIVE_MAX); + fprintf(stderr, "Maximum accuracy loss: " CALCULATED_NUMBER_FORMAT "%%\n\n\n", (calculated_number)ACCURACY_LOSS); + + // ------------------------------------------------------------------------ + + fprintf(stderr, "INTERNAL LONG DOUBLE PRINTING: "); + getrusage(RUSAGE_SELF, &last); + + // do the job + for(j = 1; j < 11 ;j++) { + n = STORAGE_NUMBER_POSITIVE_MIN * j; + + for(i = 0; i < loop ;i++) { + n *= multiplier; + if(n > STORAGE_NUMBER_POSITIVE_MAX) n = STORAGE_NUMBER_POSITIVE_MIN; + + print_calculated_number(buffer, n); + } + } + + getrusage(RUSAGE_SELF, &now); + user = now.ru_utime.tv_sec * 1000000ULL + now.ru_utime.tv_usec - last.ru_utime.tv_sec * 1000000ULL + last.ru_utime.tv_usec; + system = now.ru_stime.tv_sec * 1000000ULL + now.ru_stime.tv_usec - last.ru_stime.tv_sec * 1000000ULL + last.ru_stime.tv_usec; + total = user + system; + mine = total; + + fprintf(stderr, "user %0.5Lf, system %0.5Lf, total %0.5Lf\n", (long double)(user / 1000000.0), (long double)(system / 1000000.0), (long double)(total / 1000000.0)); + + // ------------------------------------------------------------------------ + + fprintf(stderr, "SYSTEM LONG DOUBLE PRINTING: "); + getrusage(RUSAGE_SELF, &last); + + // do the job + for(j = 1; j < 11 ;j++) { + n = STORAGE_NUMBER_POSITIVE_MIN * j; + + for(i = 0; i < loop ;i++) { + n *= multiplier; + if(n > STORAGE_NUMBER_POSITIVE_MAX) n = STORAGE_NUMBER_POSITIVE_MIN; + snprintf(buffer, 100, CALCULATED_NUMBER_FORMAT, n); + } + } + + getrusage(RUSAGE_SELF, &now); + user = now.ru_utime.tv_sec * 1000000ULL + now.ru_utime.tv_usec - last.ru_utime.tv_sec * 1000000ULL + last.ru_utime.tv_usec; + system = now.ru_stime.tv_sec * 1000000ULL + now.ru_stime.tv_usec - last.ru_stime.tv_sec * 1000000ULL + last.ru_stime.tv_usec; + total = user + system; + their = total; + + fprintf(stderr, "user %0.5Lf, system %0.5Lf, total %0.5Lf\n", (long double)(user / 1000000.0), (long double)(system / 1000000.0), (long double)(total / 1000000.0)); + + if(mine > total) { + fprintf(stderr, "NETDATA CODE IS SLOWER %0.2Lf %%\n", (long double)(mine * 100.0 / their - 100.0)); + } + else { + fprintf(stderr, "NETDATA CODE IS F A S T E R %0.2Lf %%\n", (long double)(their * 100.0 / mine - 100.0)); + } + + // ------------------------------------------------------------------------ + + fprintf(stderr, "\nINTERNAL LONG DOUBLE PRINTING WITH PACK / UNPACK: "); + getrusage(RUSAGE_SELF, &last); + + // do the job + for(j = 1; j < 11 ;j++) { + n = STORAGE_NUMBER_POSITIVE_MIN * j; + + for(i = 0; i < loop ;i++) { + n *= multiplier; + if(n > STORAGE_NUMBER_POSITIVE_MAX) n = STORAGE_NUMBER_POSITIVE_MIN; + + s = pack_storage_number(n, 1); + d = unpack_storage_number(s); + print_calculated_number(buffer, d); + } + } + + getrusage(RUSAGE_SELF, &now); + user = now.ru_utime.tv_sec * 1000000ULL + now.ru_utime.tv_usec - last.ru_utime.tv_sec * 1000000ULL + last.ru_utime.tv_usec; + system = now.ru_stime.tv_sec * 1000000ULL + now.ru_stime.tv_usec - last.ru_stime.tv_sec * 1000000ULL + last.ru_stime.tv_usec; + total = user + system; + mine = total; + + fprintf(stderr, "user %0.5Lf, system %0.5Lf, total %0.5Lf\n", (long double)(user / 1000000.0), (long double)(system / 1000000.0), (long double)(total / 1000000.0)); + + if(mine > their) { + fprintf(stderr, "WITH PACKING UNPACKING NETDATA CODE IS SLOWER %0.2Lf %%\n", (long double)(mine * 100.0 / their - 100.0)); + } + else { + fprintf(stderr, "EVEN WITH PACKING AND UNPACKING, NETDATA CODE IS F A S T E R %0.2Lf %%\n", (long double)(their * 100.0 / mine - 100.0)); + } + + // ------------------------------------------------------------------------ + +} + +static int check_storage_number_exists() { + uint32_t flags = SN_EXISTS; + + + for(flags = 0; flags < 7 ; flags++) { + if(get_storage_number_flags(flags << 24) != flags << 24) { + fprintf(stderr, "Flag 0x%08x is not checked correctly. It became 0x%08x\n", flags << 24, get_storage_number_flags(flags << 24)); + return 1; + } + } + + flags = SN_EXISTS; + calculated_number n = 0.0; + + storage_number s = pack_storage_number(n, flags); + calculated_number d = unpack_storage_number(s); + if(get_storage_number_flags(s) != flags) { + fprintf(stderr, "Wrong flags. Given %08x, Got %08x!\n", flags, get_storage_number_flags(s)); + return 1; + } + if(n != d) { + fprintf(stderr, "Wrong number returned. Expected " CALCULATED_NUMBER_FORMAT ", returned " CALCULATED_NUMBER_FORMAT "!\n", n, d); + return 1; + } + + return 0; +} + +int unit_test_storage() +{ + if(check_storage_number_exists()) return 0; + + calculated_number c, a = 0; + int i, j, g, r = 0; + + for(g = -1; g <= 1 ; g++) { + a = 0; + + if(!g) continue; + + for(j = 0; j < 9 ;j++) { + a += 0.0000001; + c = a * g; + for(i = 0; i < 21 ;i++, c *= 10) { + if(c > 0 && c < STORAGE_NUMBER_POSITIVE_MIN) continue; + if(c < 0 && c > STORAGE_NUMBER_NEGATIVE_MAX) continue; + + if(check_storage_number(c, 1)) return 1; + } + } + } + + benchmark_storage_number(1000000, 2); + return r; +} + + +// -------------------------------------------------------------------------------------------------------------------- + +struct feed_values { + unsigned long long microseconds; + calculated_number value; +}; + +struct test { + char name[100]; + char description[1024]; + + int update_every; + unsigned long long multiplier; + unsigned long long divisor; + int algorithm; + + unsigned long feed_entries; + unsigned long result_entries; + struct feed_values *feed; + calculated_number *results; +}; + +// -------------------------------------------------------------------------------------------------------------------- +// test1 +// test absolute values stored + +struct feed_values test1_feed[] = { + { 0, 10 }, + { 1000000, 20 }, + { 1000000, 30 }, + { 1000000, 40 }, + { 1000000, 50 }, + { 1000000, 60 }, + { 1000000, 70 }, + { 1000000, 80 }, + { 1000000, 90 }, + { 1000000, 100 }, +}; + +calculated_number test1_results[] = { + 20, 30, 40, 50, 60, 70, 80, 90, 100 +}; + +struct test test1 = { + "test1", // name + "test absolute values stored at exactly second boundaries", + 1, // update_every + 1, // multiplier + 1, // divisor + RRDDIM_ABSOLUTE, // algorithm + 10, // feed entries + 9, // result entries + test1_feed, // feed + test1_results // results +}; + +// -------------------------------------------------------------------------------------------------------------------- +// test2 +// test absolute values stored in the middle of second boundaries + +struct feed_values test2_feed[] = { + { 500000, 10 }, + { 1000000, 20 }, + { 1000000, 30 }, + { 1000000, 40 }, + { 1000000, 50 }, + { 1000000, 60 }, + { 1000000, 70 }, + { 1000000, 80 }, + { 1000000, 90 }, + { 1000000, 100 }, +}; + +calculated_number test2_results[] = { + 20, 30, 40, 50, 60, 70, 80, 90, 100 +}; + +struct test test2 = { + "test2", // name + "test absolute values stored in the middle of second boundaries", + 1, // update_every + 1, // multiplier + 1, // divisor + RRDDIM_ABSOLUTE, // algorithm + 10, // feed entries + 9, // result entries + test2_feed, // feed + test2_results // results +}; + +// -------------------------------------------------------------------------------------------------------------------- +// test3 + +struct feed_values test3_feed[] = { + { 0, 10 }, + { 1000000, 20 }, + { 1000000, 30 }, + { 1000000, 40 }, + { 1000000, 50 }, + { 1000000, 60 }, + { 1000000, 70 }, + { 1000000, 80 }, + { 1000000, 90 }, + { 1000000, 100 }, +}; + +calculated_number test3_results[] = { + 10, 10, 10, 10, 10, 10, 10, 10, 10 +}; + +struct test test3 = { + "test3", // name + "test incremental values stored at exactly second boundaries", + 1, // update_every + 1, // multiplier + 1, // divisor + RRDDIM_INCREMENTAL, // algorithm + 10, // feed entries + 9, // result entries + test3_feed, // feed + test3_results // results +}; + +// -------------------------------------------------------------------------------------------------------------------- +// test4 + +struct feed_values test4_feed[] = { + { 500000, 10 }, + { 1000000, 20 }, + { 1000000, 30 }, + { 1000000, 40 }, + { 1000000, 50 }, + { 1000000, 60 }, + { 1000000, 70 }, + { 1000000, 80 }, + { 1000000, 90 }, + { 1000000, 100 }, +}; + +calculated_number test4_results[] = { + 5, 10, 10, 10, 10, 10, 10, 10, 10 +}; + +struct test test4 = { + "test4", // name + "test incremental values stored in the middle of second boundaries", + 1, // update_every + 1, // multiplier + 1, // divisor + RRDDIM_INCREMENTAL, // algorithm + 10, // feed entries + 9, // result entries + test4_feed, // feed + test4_results // results +}; + +// -------------------------------------------------------------------------------------------------------------------- +// test5 + +struct feed_values test5_feed[] = { + { 500000, 1000 }, + { 1000000, 2000 }, + { 1000000, 2000 }, + { 1000000, 2000 }, + { 1000000, 3000 }, + { 1000000, 2000 }, + { 1000000, 2000 }, + { 1000000, 2000 }, + { 1000000, 2000 }, + { 1000000, 2000 }, +}; + +calculated_number test5_results[] = { + 500, 500, 0, 500, 500, 0, 0, 0, 0 +}; + +struct test test5 = { + "test5", // name + "test incremental values ups and downs", + 1, // update_every + 1, // multiplier + 1, // divisor + RRDDIM_INCREMENTAL, // algorithm + 10, // feed entries + 9, // result entries + test5_feed, // feed + test5_results // results +}; + +// -------------------------------------------------------------------------------------------------------------------- +// test6 + +struct feed_values test6_feed[] = { + { 250000, 1000 }, + { 250000, 2000 }, + { 250000, 3000 }, + { 250000, 4000 }, + { 250000, 5000 }, + { 250000, 6000 }, + { 250000, 7000 }, + { 250000, 8000 }, + { 250000, 9000 }, + { 250000, 10000 }, + { 250000, 11000 }, + { 250000, 12000 }, + { 250000, 13000 }, + { 250000, 14000 }, + { 250000, 15000 }, + { 250000, 16000 }, +}; + +calculated_number test6_results[] = { + 3000, 4000, 4000, 4000 +}; + +struct test test6 = { + "test6", // name + "test incremental values updated within the same second", + 1, // update_every + 1, // multiplier + 1, // divisor + RRDDIM_INCREMENTAL, // algorithm + 16, // feed entries + 4, // result entries + test6_feed, // feed + test6_results // results +}; + +// -------------------------------------------------------------------------------------------------------------------- +// test7 + +struct feed_values test7_feed[] = { + { 500000, 1000 }, + { 2000000, 2000 }, + { 2000000, 3000 }, + { 2000000, 4000 }, + { 2000000, 5000 }, + { 2000000, 6000 }, + { 2000000, 7000 }, + { 2000000, 8000 }, + { 2000000, 9000 }, + { 2000000, 10000 }, +}; + +calculated_number test7_results[] = { + 250, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500 +}; + +struct test test7 = { + "test7", // name + "test incremental values updated in long durations", + 1, // update_every + 1, // multiplier + 1, // divisor + RRDDIM_INCREMENTAL, // algorithm + 10, // feed entries + 18, // result entries + test7_feed, // feed + test7_results // results +}; + +// -------------------------------------------------------------------------------------------------------------------- +// test8 + +struct feed_values test8_feed[] = { + { 500000, 1000 }, + { 2000000, 2000 }, + { 2000000, 3000 }, + { 2000000, 4000 }, + { 2000000, 5000 }, + { 2000000, 6000 }, +}; + +calculated_number test8_results[] = { + 1250, 2000, 2250, 3000, 3250, 4000, 4250, 5000, 5250, 6000 +}; + +struct test test8 = { + "test8", // name + "test absolute values updated in long durations", + 1, // update_every + 1, // multiplier + 1, // divisor + RRDDIM_ABSOLUTE, // algorithm + 6, // feed entries + 10, // result entries + test8_feed, // feed + test8_results // results +}; + +// -------------------------------------------------------------------------------------------------------------------- +// test9 + +struct feed_values test9_feed[] = { + { 250000, 1000 }, + { 250000, 2000 }, + { 250000, 3000 }, + { 250000, 4000 }, + { 250000, 5000 }, + { 250000, 6000 }, + { 250000, 7000 }, + { 250000, 8000 }, + { 250000, 9000 }, + { 250000, 10000 }, + { 250000, 11000 }, + { 250000, 12000 }, + { 250000, 13000 }, + { 250000, 14000 }, + { 250000, 15000 }, + { 250000, 16000 }, +}; + +calculated_number test9_results[] = { + 4000, 8000, 12000, 16000 +}; + +struct test test9 = { + "test9", // name + "test absolute values updated within the same second", + 1, // update_every + 1, // multiplier + 1, // divisor + RRDDIM_ABSOLUTE, // algorithm + 16, // feed entries + 4, // result entries + test9_feed, // feed + test9_results // results +}; + +// -------------------------------------------------------------------------------------------------------------------- +// test10 + +struct feed_values test10_feed[] = { + { 500000, 1000 }, + { 600000, 1000 + 600 }, + { 200000, 1600 + 200 }, + { 1000000, 1800 + 1000 }, + { 200000, 2800 + 200 }, + { 2000000, 3000 + 2000 }, + { 600000, 5000 + 600 }, + { 400000, 5600 + 400 }, + { 900000, 6000 + 900 }, + { 1000000, 6900 + 1000 }, +}; + +calculated_number test10_results[] = { + 500, 1000, 1000, 1000, 1000, 1000, 1000 +}; + +struct test test10 = { + "test10", // name + "test incremental values updated in short and long durations", + 1, // update_every + 1, // multiplier + 1, // divisor + RRDDIM_INCREMENTAL, // algorithm + 10, // feed entries + 7, // result entries + test10_feed, // feed + test10_results // results +}; + +// -------------------------------------------------------------------------------------------------------------------- + +int run_test(struct test *test) +{ + fprintf(stderr, "\nRunning test '%s':\n%s\n", test->name, test->description); + + rrd_memory_mode = RRD_MEMORY_MODE_RAM; + rrd_update_every = test->update_every; + + char name[101]; + snprintf(name, 100, "unittest-%s", test->name); + + // create the chart + RRDSET *st = rrdset_create("netdata", name, name, "netdata", NULL, "Unit Testing", "a value", 1, 1, RRDSET_TYPE_LINE); + RRDDIM *rd = rrddim_add(st, "dimension", NULL, test->multiplier, test->divisor, test->algorithm); + st->debug = 1; + + // feed it with the test data + unsigned long c; + for(c = 0; c < test->feed_entries; c++) { + if(debug_flags) fprintf(stderr, "\n\n"); + + if(c) { + fprintf(stderr, " > %s: feeding position %lu, after %llu microseconds, with value " CALCULATED_NUMBER_FORMAT "\n", test->name, c+1, test->feed[c].microseconds, test->feed[c].value); + rrdset_next_usec(st, test->feed[c].microseconds); + } + else { + fprintf(stderr, " > %s: feeding position %lu with value " CALCULATED_NUMBER_FORMAT "\n", test->name, c+1, test->feed[c].value); + } + + rrddim_set(st, "dimension", test->feed[c].value); + rrdset_done(st); + + // align the first entry to second boundary + if(!c) { + fprintf(stderr, " > %s: fixing first collection time to be %llu microseconds to second boundary\n", test->name, test->feed[c].microseconds); + rd->last_collected_time.tv_usec = st->last_collected_time.tv_usec = st->last_updated.tv_usec = test->feed[c].microseconds; + } + } + + // check the result + int errors = 0; + + if(st->counter != test->result_entries) { + fprintf(stderr, " %s stored %lu entries, but we were expecting %lu, ### E R R O R ###\n", test->name, st->counter, test->result_entries); + errors++; + } + + unsigned long max = (st->counter < test->result_entries)?st->counter:test->result_entries; + for(c = 0 ; c < max ; c++) { + calculated_number v = unpack_storage_number(rd->values[c]), n = test->results[c]; + fprintf(stderr, " %s: checking position %lu, expecting value " CALCULATED_NUMBER_FORMAT ", found " CALCULATED_NUMBER_FORMAT ", %s\n", test->name, c+1, n, v, (v == n)?"OK":"### E R R O R ###"); + if(v != n) errors++; + } + + return errors; +} + +int run_all_mockup_tests(void) +{ + if(run_test(&test1)) + return 1; + + if(run_test(&test2)) + return 1; + + if(run_test(&test3)) + return 1; + + if(run_test(&test4)) + return 1; + + if(run_test(&test5)) + return 1; + + if(run_test(&test6)) + return 1; + + if(run_test(&test7)) + return 1; + + if(run_test(&test8)) + return 1; + + if(run_test(&test9)) + return 1; + + if(run_test(&test10)) + return 1; + + return 0; +} + +int unit_test(long delay, long shift) +{ + static int repeat = 0; + repeat++; + + char name[101]; + snprintf(name, 100, "unittest-%d-%ld-%ld", repeat, delay, shift); + + //debug_flags = 0xffffffff; + rrd_memory_mode = RRD_MEMORY_MODE_RAM; + rrd_update_every = 1; + + int do_abs = 1; + int do_inc = 1; + int do_abst = 0; + int do_absi = 0; + + RRDSET *st = rrdset_create("netdata", name, name, "netdata", NULL, "Unit Testing", "a value", 1, 1, RRDSET_TYPE_LINE); + st->debug = 1; + + RRDDIM *rdabs = NULL; + RRDDIM *rdinc = NULL; + RRDDIM *rdabst = NULL; + RRDDIM *rdabsi = NULL; + + if(do_abs) rdabs = rrddim_add(st, "absolute", "absolute", 1, 1, RRDDIM_ABSOLUTE); + if(do_inc) rdinc = rrddim_add(st, "incremental", "incremental", 1, 1, RRDDIM_INCREMENTAL); + if(do_abst) rdabst = rrddim_add(st, "percentage-of-absolute-row", "percentage-of-absolute-row", 1, 1, RRDDIM_PCENT_OVER_ROW_TOTAL); + if(do_absi) rdabsi = rrddim_add(st, "percentage-of-incremental-row", "percentage-of-incremental-row", 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL); + + long increment = 1000; + collected_number i = 0; + + unsigned long c, dimensions = 0; + RRDDIM *rd; + for(rd = st->dimensions ; rd ; rd = rd->next) dimensions++; + + for(c = 0; c < 20 ;c++) { + i += increment; + + fprintf(stderr, "\n\nLOOP = %lu, DELAY = %ld, VALUE = " COLLECTED_NUMBER_FORMAT "\n", c, delay, i); + if(c) { + rrdset_next_usec(st, delay); + } + if(do_abs) rrddim_set(st, "absolute", i); + if(do_inc) rrddim_set(st, "incremental", i); + if(do_abst) rrddim_set(st, "percentage-of-absolute-row", i); + if(do_absi) rrddim_set(st, "percentage-of-incremental-row", i); + + if(!c) { + gettimeofday(&st->last_collected_time, NULL); + st->last_collected_time.tv_usec = shift; + } + + // prevent it from deleting the dimensions + for(rd = st->dimensions ; rd ; rd = rd->next) + rd->last_collected_time.tv_sec = st->last_collected_time.tv_sec; + + rrdset_done(st); + } + + unsigned long oincrement = increment; + increment = increment * st->update_every * 1000000 / delay; + fprintf(stderr, "\n\nORIGINAL INCREMENT: %lu, INCREMENT %lu, DELAY %lu, SHIFT %lu\n", oincrement * 10, increment * 10, delay, shift); + + int ret = 0; + storage_number sn; + calculated_number cn, v; + for(c = 0 ; c < st->counter ; c++) { + fprintf(stderr, "\nPOSITION: c = %lu, EXPECTED VALUE %lu\n", c, (oincrement + c * increment + increment * (1000000 - shift) / 1000000 )* 10); + + for(rd = st->dimensions ; rd ; rd = rd->next) { + sn = rd->values[c]; + cn = unpack_storage_number(sn); + fprintf(stderr, "\t %s " CALCULATED_NUMBER_FORMAT " (PACKED AS " STORAGE_NUMBER_FORMAT ") -> ", rd->id, cn, sn); + + if(rd == rdabs) v = + ( oincrement + // + (increment * (1000000 - shift) / 1000000) + + (c + 1) * increment + ); + + else if(rd == rdinc) v = (c?(increment):(increment * (1000000 - shift) / 1000000)); + else if(rd == rdabst) v = oincrement / dimensions / 10; + else if(rd == rdabsi) v = oincrement / dimensions / 10; + else v = 0; + + if(v == cn) fprintf(stderr, "passed.\n"); + else { + fprintf(stderr, "ERROR! (expected " CALCULATED_NUMBER_FORMAT ")\n", v); + ret = 1; + } + } + } + + if(ret) + fprintf(stderr, "\n\nUNIT TEST(%ld, %ld) FAILED\n\n", delay, shift); + + return ret; +} |