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#define CCAN_LIKELY_DEBUG 1
#include <ccan/likely/likely.c>
#include <ccan/likely/likely.h>
#include <ccan/tap/tap.h>
#include <stdlib.h>
static bool one_seems_likely(unsigned int val)
{
if (likely(val == 1))
return true;
return false;
}
static bool one_seems_unlikely(unsigned int val)
{
if (unlikely(val == 1))
return true;
return false;
}
static bool likely_one_unlikely_two(unsigned int val1, unsigned int val2)
{
/* Same line, check we don't get confused! */
if (likely(val1 == 1) && unlikely(val2 == 2))
return true;
return false;
}
int main(int argc, char *argv[])
{
char *bad;
plan_tests(14);
/* Correct guesses. */
one_seems_likely(1);
ok1(likely_stats(0, 90) == NULL);
one_seems_unlikely(2);
ok1(likely_stats(0, 90) == NULL);
/* Incorrect guesses. */
one_seems_likely(0);
one_seems_likely(2);
/* Hasn't been hit 4 times, so this fails */
ok1(!likely_stats(4, 90));
bad = likely_stats(3, 90);
ok(strends(bad, "run-debug.c:9:likely(val == 1) correct 33% (1/3)"),
"likely_stats returned %s", bad);
free(bad);
/* Nothing else above 90% */
ok1(!likely_stats(0, 90));
/* This should get everything. */
bad = likely_stats(0, 100);
ok(strends(bad, "run-debug.c:16:unlikely(val == 1) correct 100% (1/1)"),
"likely_stats returned %s", bad);
free(bad);
/* Nothing left (table is actually cleared) */
ok1(!likely_stats(0, 100));
/* Make sure unlikely works */
one_seems_unlikely(0);
one_seems_unlikely(2);
one_seems_unlikely(1);
bad = likely_stats(0, 90);
ok(strends(bad, "run-debug.c:16:unlikely(val == 1) correct 66% (2/3)"),
"likely_stats returned %s", bad);
free(bad);
ok1(!likely_stats(0, 100));
likely_one_unlikely_two(1, 1);
likely_one_unlikely_two(1, 1);
likely_one_unlikely_two(1, 1);
ok1(!likely_stats(0, 90));
likely_one_unlikely_two(1, 2);
bad = likely_stats(0, 90);
ok(strends(bad, "run-debug.c:24:unlikely(val2 == 2) correct 75% (3/4)"),
"likely_stats returned %s", bad);
free(bad);
bad = likely_stats(0, 100);
ok(strends(bad, "run-debug.c:24:likely(val1 == 1) correct 100% (4/4)"),
"likely_stats returned %s", bad);
free(bad);
ok1(!likely_stats(0, 100));
/* Check that reset works! */
one_seems_unlikely(0);
one_seems_unlikely(2);
one_seems_unlikely(1);
likely_stats_reset();
ok1(!likely_stats(0, 100));
exit(exit_status());
}
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