From 9b753aa15455f644f93f92f3eccecfd25d4b6faa Mon Sep 17 00:00:00 2001
From: Evan Hunt <each@isc.org>
Date: Thu, 8 Mar 2018 23:31:22 -0800
Subject: [PATCH] shorten ht_test and random_test

---
 lib/isc/tests/ht_test.c     |  4 ++--
 lib/isc/tests/random_test.c | 17 +++++++++++++----
 2 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/lib/isc/tests/ht_test.c b/lib/isc/tests/ht_test.c
index c64b1edfed..4b069ef68a 100644
--- a/lib/isc/tests/ht_test.c
+++ b/lib/isc/tests/ht_test.c
@@ -298,12 +298,12 @@ static void test_ht_iterator() {
 
 ATF_TC(isc_ht_20);
 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) {
 	UNUSED(tc);
-	test_ht_full(20, 2000000);
+	test_ht_full(20, 200000);
 }
 
 
diff --git a/lib/isc/tests/random_test.c b/lib/isc/tests/random_test.c
index 201889bfde..ed4551ba8a 100644
--- a/lib/isc/tests/random_test.c
+++ b/lib/isc/tests/random_test.c
@@ -9,6 +9,13 @@
  * 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 <isc/random.h>
@@ -23,6 +30,8 @@
 #include <stdint.h>
 #include <math.h>
 
+#define REPS 25000
+
 typedef double (pvalue_func_t)(isc_mem_t *mctx,
 			       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++) {
 		isc_uint32_t i;
-		isc_uint16_t values[128000];
+		isc_uint16_t values[REPS];
 		double p_value;
 
 		if (word_sized) {
-			for (i = 0; i < 128000; i++)
+			for (i = 0; i < REPS; i++)
 				isc_rng_randombytes(rng, &values[i],
 						    sizeof(values[i]));
 		} else {
 			isc_rng_randombytes(rng, values, sizeof(values));
 		}
 
-		p_value = (*func)(mctx, values, 128000);
+		p_value = (*func)(mctx, values, REPS);
 		if (p_value >= 0.01)
 			passed++;
 
@@ -402,7 +411,7 @@ runs(isc_mem_t *mctx, isc_uint16_t *values, size_t length) {
 	numbits = length * 16;
 	bcount = 0;
 
-	for (i = 0; i < 128000; i++)
+	for (i = 0; i < REPS; i++)
 		bcount += bitcounts_table[values[i]];
 
 	/* Debug message, not displayed when running via atf-run */