X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Fhtable%2Ftest%2Frun.c;h=7fc05e24f6bfac4b38748491911c6741d0b841a8;hb=e0529e15e0c7f9251af5465ef03f208d279affc1;hp=1a9e2de4cb6e7f98fe5e75485e06b37c73de26d5;hpb=0c3590dc33d644f73bb8587db454c491830aaf26;p=ccan

diff --git a/ccan/htable/test/run.c b/ccan/htable/test/run.c
index 1a9e2de4..7fc05e24 100644
--- a/ccan/htable/test/run.c
+++ b/ccan/htable/test/run.c
@@ -97,7 +97,7 @@ static bool check_mask(struct htable *ht, uint64_t val[], unsigned num)
 
 int main(int argc, char *argv[])
 {
-	unsigned int i;
+	unsigned int i, weight;
 	uintptr_t perfect_bit;
 	struct htable ht;
 	uint64_t val[NUM_VALS];
@@ -121,7 +121,14 @@ int main(int argc, char *argv[])
 	add_vals(&ht, val, 0, 1);
 	ok1(ht.bits == 1);
 	ok1(ht.max == 1);
-	ok1(ht.common_mask == -1);
+	weight = 0;
+	for (i = 0; i < sizeof(ht.common_mask) * CHAR_BIT; i++) {
+		if (ht.common_mask & ((uintptr_t)1 << i)) {
+			weight++;
+		}
+	}
+	/* Only one bit should be clear. */
+	ok1(weight == i-1);
 
 	/* Mask should be set. */
 	ok1(check_mask(&ht, val, 1));