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shorten ht_test and random_test

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This commit is contained in:
Evan Hunt
2018-03-08 23:31:22 -08:00
parent a4ebe83cdb
commit 9b753aa154
2 changed files with 15 additions and 6 deletions
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4
lib/isc/tests/ht_test.c
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@@ -298,12 +298,12 @@ static void test_ht_iterator() {
ATF_TC(isc_ht_20); ATF_TC(isc_ht_20);
ATF_TC_HEAD(isc_ht_20, tc) { ATF_TC_HEAD(isc_ht_20, tc) {
atf_tc_set_md_var(tc, "descr", "20 bit, 2M elements test"); atf_tc_set_md_var(tc, "descr", "20 bit, 200K elements test");
} }
ATF_TC_BODY(isc_ht_20, tc) { ATF_TC_BODY(isc_ht_20, tc) {
UNUSED(tc); UNUSED(tc);
test_ht_full(20, 2000000); test_ht_full(20, 200000);
} }

17
lib/isc/tests/random_test.c
View File

@@ -9,6 +9,13 @@
* information regarding copyright ownership. * information regarding copyright ownership.
*/ */
/*
* IMPORTANT NOTE:
* These tests work by generating a large number of pseudo-random numbers
* and then statistically analyzing them to determine whether they seem
* random. The test is expected to fail on occasion by random happenstance.
*/
#include <config.h> #include <config.h>
#include <isc/random.h> #include <isc/random.h>
@@ -23,6 +30,8 @@
#include <stdint.h> #include <stdint.h>
#include <math.h> #include <math.h>
#define REPS 25000
typedef double (pvalue_func_t)(isc_mem_t *mctx, typedef double (pvalue_func_t)(isc_mem_t *mctx,
isc_uint16_t *values, size_t length); isc_uint16_t *values, size_t length);
@@ -272,18 +281,18 @@ random_test(pvalue_func_t *func, isc_boolean_t word_sized) {
for (j = 0; j < m; j++) { for (j = 0; j < m; j++) {
isc_uint32_t i; isc_uint32_t i;
isc_uint16_t values[128000]; isc_uint16_t values[REPS];
double p_value; double p_value;
if (word_sized) { if (word_sized) {
for (i = 0; i < 128000; i++) for (i = 0; i < REPS; i++)
isc_rng_randombytes(rng, &values[i], isc_rng_randombytes(rng, &values[i],
sizeof(values[i])); sizeof(values[i]));
} else { } else {
isc_rng_randombytes(rng, values, sizeof(values)); isc_rng_randombytes(rng, values, sizeof(values));
} }
p_value = (*func)(mctx, values, 128000); p_value = (*func)(mctx, values, REPS);
if (p_value >= 0.01) if (p_value >= 0.01)
passed++; passed++;
@@ -402,7 +411,7 @@ runs(isc_mem_t *mctx, isc_uint16_t *values, size_t length) {
numbits = length * 16; numbits = length * 16;
bcount = 0; bcount = 0;
for (i = 0; i < 128000; i++) for (i = 0; i < REPS; i++)
bcount += bitcounts_table[values[i]]; bcount += bitcounts_table[values[i]];
/* Debug message, not displayed when running via atf-run */ /* Debug message, not displayed when running via atf-run */